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  • Seismology  (39)
  • 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics  (7)
  • Baffin island
  • Industrial Chemistry
  • Inorganic Chemistry
  • Air Force Geophysics Laboratory  (27)
  • American Geophysical Union  (14)
  • Lawrence Livermore National Laboratory  (6)
  • 2020-2024  (1)
  • 2005-2009  (8)
  • 1985-1989  (37)
  • 1975-1979  (1)
  • 1950-1954
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  • 1
    Publication Date: 2023-02-25
    Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Biasi, J., Asimow, P., Horton, F., & Boyes, X. Eruption rates, tempo, and stratigraphy of Paleocene flood basalts on Baffin Island, Canada. Geochemistry, Geophysics, Geosystems, 23(9), (2022): e2021GC010172, https://doi.org/10.1029/2021gc010172.
    Description: High-temperature melting in mantle plumes produces voluminous eruptions that are often temporally coincident with mass extinctions. Paleocene Baffin Island lavas—products of early Iceland mantle plume activity—are exceptionally well characterized geochemically but have poorly constrained stratigraphy, geochronology, and eruptive tempos. To provide better geologic context, we measured seven stratigraphic sections of the volcanic deposits and collected paleomagnetic data from 38 sites in the lavas and underlying Cretaceous sediments (Quqaluit Fm.). The average paleomagnetic pole from this study does not overlap with the expected pole for a stable North American locality at 60 Ma, yet the data have sufficient dispersion to average out secular variation. After ruling out other possibilities, we find that the picrites were probably erupted during a polarity transition, over less than 5 kyr. If so, the average eruption interval was ∼67 years per flow for the thickest sequence of exposed lavas. We also calculate that the flood basalts had a minimum total volume of ∼176 km3 (excluding submerged lavas in Baffin Bay). This implies a minimum eruption rate of ∼0.035 km3 yr−1, which is similar to rates found in West Greenland lavas but less than rates found in larger flood basalts. Despite this, the Baffin and West Greenland lavas temporally correlate with the “End C27n event” (a period of ∼2°C global warming) and may be its underlying cause.
    Description: his work was supported by the National Science Foundation (award #1911699 to F. Horton and award #2052963 to J. Biasi), Woods Hole Oceanographic Institution (WHOI) Andrew W. Mellon Foundation Endowed Fund for Innovative Research, a National Geographic Society grant (#CP4-144R-18), and internal funding from the Caltech Geological and Planetary Sciences Division.
    Keywords: Baffin island ; North Atlantic ; Flood basalt ; Paleomagnetism ; Volcanology ; Secular variation
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 2
    Publication Date: 2017-04-04
    Description: Volcanoes deform as a consequence of the rise and storage of magma; once magma reaches a critical pressure, an eruption occurs. However, how the edifice deformation relates to its eruptive behavior is poorly known. Here, we produce a joint interpretation of spaceborne InSAR deformation measurements and volcanic activity at Mt. Etna (Italy), between 1992 and 2006. We distinguish two volcano-tectonic behaviors. Between 1993 and 2000, Etna inflated with a starting deformation rate of 1 cm yr 1 that progressively reduced with time, nearly vanishing between 1998 and 2000; moreover, low-eruptive rate summit eruptions occurred, punctuated by lava fountains. Between 2001 and 2005, Etna deflated, feeding higher-eruptive rate flank eruptions, along with large displacements of the entire East-flank. These two behaviors, we suggest, result from the higher rate of magma stored between 1993 and June 2001, which triggered the emplacement of the dike responsible for the 2001 and 2002–2003 eruptions. Our results clearly show that the joint interpretation of volcano deformation and stored magma rates may be crucial in identifying impending volcanic eruptions.
    Description: This work was partly funded by INGV and the Italian DPC and was supported by ASI, the Preview Project and CRdC-AMRA. DPC-INGV Flank project providing the funds for the publication fees.
    Description: Published
    Description: L02309
    Description: 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: 1.10. TTC - Telerilevamento
    Description: 3.6. Fisica del vulcanismo
    Description: 4.3. TTC - Scenari di pericolosità vulcanica
    Description: 4.5. Degassamento naturale
    Description: JCR Journal
    Description: partially_open
    Keywords: deformation ; eruptions ; Mt. Etna ; eruptive cycle ; InSAR ; 04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneous ; 04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processes ; 04. Solid Earth::04.03. Geodesy::04.03.99. General or miscellaneous ; 04. Solid Earth::04.03. Geodesy::04.03.06. Measurements and monitoring ; 04. Solid Earth::04.03. Geodesy::04.03.07. Satellite geodesy ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2017-04-04
    Description: The soil CO2 flux on Mt. Etna as recorded by the ETNAGAS network (an automatic system for measuring soil CO2 flux and meteorological parameters) started to increase strongly about 5 months prior to the onset of the 2004–2005 eruption and decreased a few months before the end of the eruption. Time delays in the occurrences of anomalies in soil CO2 flux at different sites in the geochemical network constrain the relationship between soil CO2 flux distributions and the tectonic framework of Etna volcano. The anomalies observed before the 2004–2005 eruption support the intrusion of new undegassed magma into the upper feeding system of the volcano (〈20 km below sea level). Magma subsequently rose slowly in the volcano conduits, thereby triggering the onset of the 2004–2005 eruption. The time delays in the occurrences of anomalies in combination with spectral analysis indicate the importance of tectonic and volcanotectonic structures in driving the ascent of deep gases within the crust. Moreover, greatest amplitude pulsations of the low-frequency components of the CO2 flux signals were correlated with the paroxystic activities of the 2004–2005 eruption. This study confirms that CO2 flux variation is a useful indicator for volcanic activity in the surveillance of the Mt. Etna and similar basaltic volcanoes.
    Description: Dipartimento Protezione Civile Ministero degli Interni
    Description: Published
    Description: B09206
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: JCR Journal
    Description: reserved
    Keywords: CO2 flux ; Continuous monitoring of soil CO2 flux ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 4
    Publication Date: 2017-04-04
    Description: The 2002–2003 Etna eruption is studied through earthquake distributions and surface fracturing. In September 2002, earthquake-induced surface rupture (sinistral offset 0.48 m) occurred along the E-W striking Pernicana Fault (PF), on the NE flank. In late October, a flank eruption accompanied further ( 0.77 m) surface rupturing, reaching a total sinistral offset of 1.25 m; the deformation then propagated for 18 km eastwards to the coastline (sinistral offset 0.03 m) and southwards, along the NW-SE striking Timpe (dextral offset 0.04 m) and, later, Trecastagni faults (dextral offset 0.035 m). Seismicity (〈4 km bsl) on the E flank accompanied surface fracturing: fault plane solutions indicate an overall ESEWNWextension direction, consistent with ESE slip of the E flank also revealed by ground fractures. A three-stage model of flank slip is proposed: inception (September earthquake), climax (accelerated slip and eruption) and propagation (E and S migration of the deformation).
    Description: Published
    Description: 2286
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: 3.2. Tettonica attiva
    Description: 3.5. Geologia e storia dei sistemi vulcanici
    Description: 3.6. Fisica del vulcanismo
    Description: 4.3. TTC - Scenari di pericolosità vulcanica
    Description: JCR Journal
    Description: reserved
    Keywords: volcano seismology ; surface fracturing ; flank slip ; eruption ; Etna ; 04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneous ; 04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processes ; 04. Solid Earth::04.02. Exploration geophysics::04.02.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous ; 04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution ; 04. Solid Earth::04.06. Seismology::04.06.02. Earthquake interactions and probability ; 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology ; 04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk ; 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.05. Stress ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas ; 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 5
    Publication Date: 2017-04-04
    Description: We study the coseismic and postseismic displacements related with the 1997 Umbria-Marche earthquake sequence by means of leveling lines along a deformed aqueduct located in the epicentral area. Comparing the 1960 and 10/1997 measurements we obtain 0.49 0.10 m of coseismic displacement distributed along 3 km across the normal fault zone. Modeling of the coseismic surface dislocation is obtained from a combination of low angle (38°) faults at depth and high angle (80°) upper fault branches. The best fit model indicates that the upper branches stop at 0.4 km below the ground surface and have 60% of slip with respect to the lower faults. The postseismic displacement measured during 1998 is 0.18 m and represents 36% of the apparent coseismic deformation. Moderate earthquakes in the Apennines and related surface deformation may thus result from curved faults that reflect the brittle-elastic properties of the uppermost crustal structures.
    Description: Data collection was made while both authors were at Istituto di Ricerca per la Tettonica Recente – CNR (GNDT Project), Roma, Italy. M. Copparoni (ASM, Foligno) and M. Raponi and S. Pacico (Studio Topografico s.n.c., Foligno) provided data about aqueduct and leveling lines. Analysis of data and modeling were done while RB was visiting EOST-IPG, Strasbourg, France. Preparation of the paper benefited from discussion with R. Armijo, S. Barba, P. Gomez and G. Valensise. A. Amato and an anonymous reviewer are thanked for their constructive remarks.
    Description: Published
    Description: 2695–2698
    Description: JCR Journal
    Description: open
    Keywords: Coseismic displacement ; postseismic displacement ; earthquake fault ; Colfiorito, Italy ; 04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 6
    Publication Date: 2017-04-04
    Description: The active tectonics at the front of the Southern Apennines and in the Adriatic foreland is characterized by E-W striking, right-lateral seismogenic faults, interpreted as reactivated inherited discontinuities. The best studied among these is the Molise-Gondola shear zone (MGsz). The interaction of these shear zones with the Apennines chain is not yet clear. To address this open question we developed a set of scaled analogue experiments, aimed at analyzing: 1) how dextral strike-slip motion along a pre-existing zone of weakness within the foreland propagates toward the surface and affects the orogenic wedge; 2) the propagation of deformation as a function of displacement; 3) any insights on the active tectonics of Southern Italy. Our results stress the primary role played by these inherited structures when reactivated, and confirm that regional E-W dextral shear zones are a plausible way of explaining the seismotectonic setting of the external areas of the Southern Apennines.
    Description: INGV, Università degli Studi di Pavia
    Description: Published
    Description: 21
    Description: open
    Keywords: Active strike-slip fault ; sandbox model ; southern Italy ; 04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processes ; 04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
    Publication Date: 2017-04-04
    Description: The Neapolitan volcanic region is located within the graben structure of the Campanian Plain (CP), which developed between the western sector of the Appenine Chain and the eastern margin of the Tyrrhenian Sea. Two volcanic areas, spaced less than 10 km apart, are situated within the CP: the Somma-Vesuvius Volcano (SVV) and the Phlegraean Volcanic District (PVD). SVV is a typical stratovolcano, whereas PVD, including Campi Flegrei, Procida, and Ischia, is composed mostly of monogenetic centers. This contrast is due to different magma supply systems: a widespread fissure-type system beneath the PVD and a central-type magma supply system for the SVV. Volcanological, geophysical, and geochemical data show that magma viscosity, magma supply rate, and depth of magma storage are comparable at PVD and SVV, whereas different structural arrangements characterize the two areas. On the basis of geophysical data and magma geochemistry, an oblique-extensional tectonic regime is proposed within the PVD, whereas in the SVVarea a compressive stress regime dominates over extension. Geophysical data suggest that the area with the maximum deformation rate extends between the EW-running 41st parallel and the NE-running Magnaghi-Sebeto fault systems. The PVD extensional area is a consequence of the Tyrrhenian Sea opening and is decoupled from the surrounding areas (Roccamonfina and Somma-Vesuvius) which are still dominated by Adriatic slab dynamics. Spatially, we argue that the contribution of the asthenospheric wedge become much less important from W-NW to E-SE in the CP. The development of the two styles of volcanism in the CP reflects the different tectonic regimes acting in the area.
    Description: Published
    Description: 1-25
    Description: partially_open
    Keywords: Volcanic styles ; Tectonic setting ; Neapolitan volcanic region ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.05. Stress ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2017-04-04
    Description: We report results on the measured high 3He/4He isotope ratio in western Sicily, interpreted together with the heat data. The study of this sector of the Europe-Africa interaction is crucial to a better understanding of the tectonics and the geodynamical evolution of the central Mediterranean area. The estimated mantle-derived helium fluxes in the investigated areas are up to 2–3 orders of magnitude greater than those of a stable continental area. The highest flux, found in the southernmost area near the Sicily Channel, where recent eruptions of the Ferdinandea Island occurred 20 miles out to sea off Sciacca, has been associated with a clear excess of heat flow. Our results indicate that there is an accumulation of magma below the continental crust of western Sicily that is possibly intruding and out-gassing through roughly N-S trending deep fault systems linked to the mantle, that have an extensional component. Although the identification of these faults is not sufficiently constrained by our data, they could possibly be linked to the pre-existing faults that originated during the Mesozoic extensional-transtensional tectonic phases.
    Description: Published
    Description: L04312
    Description: partially_open
    Keywords: helium isotopes ; heat production ; tectonics ; 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases ; 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems ; 03. Hydrosphere::03.04. Chemical and biological::03.04.07. Radioactivity and isotopes ; 04. Solid Earth::04.02. Exploration geophysics::04.02.03. Heat flow ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.07. Tectonophysics::04.07.03. Heat generation and transport ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 9
    Publication Date: 2017-04-04
    Description: A field survey performed during the 1997 Umbria-Marche earthquake sequence led us to recognize ground and pavement ruptures associated with the three largest shocks (M〉= 5.7). The ruptures are concentrated in narrow bands that, in part, are on and near previously mapped high-angle normal fauts. The geometry of the ground deformation is consistent with the NE-trending extension indicated by CMT focal solutions of the mainshocks. The distribution of aftershocks suggests that the three mainshocks occurred on ~40 degree SW-dipping normal faults. Geological investigations, modelling of expected coseismic elevation changes, and seismic data, suggest that the surface deformation is not the direct result of primary rupture of faults at depth.
    Description: Published
    Description: 895-898
    Description: reserved
    Keywords: Structural geology ; Fractures and faults ; Seismology ; Seismicity and seismotectonics ; Europe ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 10
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    Air Force Geophysics Laboratory
    In:  Technical Report, Hamburg, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-89-0008, pp. 371-377, (ISBN 3-933346-037)
    Publication Date: 1989
    Keywords: Nuclear explosion ; Amplitude ; Seismology ; Teleseismic events ; P-waves ; Coda (waves, ~ of seismograms)
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  • 11
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    Air Force Geophysics Laboratory
    In:  Technical Report, San Francisco, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-89-0085, pp. 5989-5994
    Publication Date: 1989
    Keywords: Seismology ; Nuclear explosion ; Subduction zone ; Energy (of earthquakes)
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  • 12
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    Air Force Geophysics Laboratory
    In:  Technical Report, Pasadena, Air Force Geophysics Laboratory, no. AFGL-TR-88-0055, pp. 103-155
    Publication Date: 1988
    Keywords: Nuclear explosion ; Seismology
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  • 13
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    Air Force Geophysics Laboratory
    In:  Technical Report, Pasadena, Air Force Geophysics Laboratory, no. AFGL-TR-88-0113, pp. 103-155
    Publication Date: 1988
    Keywords: Seismology ; Nuclear explosion ; Filter-
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  • 14
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    Air Force Geophysics Laboratory
    In:  Technical Report, Zürich, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-88-0054, pp. 2985-3018
    Publication Date: 1988
    Keywords: Nuclear explosion ; Seismology
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  • 15
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    Air Force Geophysics Laboratory
    In:  Technical Report, Hannover, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-88-0315, pp. 1-32, (ISBN 3-933346-037)
    Publication Date: 1988
    Keywords: Nuclear explosion ; Seismology ; Wave propagation ; Inhomogeneity ; Amplitude ; P-waves
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  • 16
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    Air Force Geophysics Laboratory
    In:  Technical Report, Hannover, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-88-0322, pp. 1358-1361, (ISBN 3-933346-037)
    Publication Date: 1988
    Keywords: Nuclear explosion ; Seismology ; Three component data ; Toksoez ; Toksoz
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  • 17
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    Air Force Geophysics Laboratory
    In:  Technical Report, Münster, Air Force Geophysics Laboratory, vol. 1034, no. AFGL-TR-88-0094, pp. 1-109, (ISBN 3-933346-037)
    Publication Date: 1988
    Keywords: Nuclear explosion ; Scattering ; Seismology ; Attenuation ; Velocity analysis ; CRUST ; Toksoez ; Toksoz
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  • 18
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    Air Force Geophysics Laboratory
    In:  Technical Report, Leipzig, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-88-0170, pp. 131, (ISBN 0 08 042822 3)
    Publication Date: 1988
    Keywords: Nuclear explosion ; Scattering ; Seismology ; Toksoz
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  • 19
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    Air Force Geophysics Laboratory
    In:  Technical Report, Mexico, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-88-0131, pp. 1015-1021, (ISBN 3-933346-037)
    Publication Date: 1988
    Keywords: Nuclear explosion ; Seismology ; Broad-band
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  • 20
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    Air Force Geophysics Laboratory
    In:  Technical Report, Mexico, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-88-0314, pp. 1015-1021, (ISBN 3-933346-037)
    Publication Date: 1988
    Keywords: Nuclear explosion ; Anisotropy ; Waves ; Seismology ; Teleseismic events ; Hypocentral depth ; Seismicity
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  • 21
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    Air Force Geophysics Laboratory
    In:  Technical Report, Paris, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-88-0222, pp. 109-124, (ISBN 3-933346-037)
    Publication Date: 1988
    Keywords: Nuclear explosion ; Seismology ; Attenuation ; Energy (of earthquakes)
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  • 22
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    Air Force Geophysics Laboratory
    In:  Technical Report, Zarqa, Jordan, 10 pp. + 8 Figs., Air Force Geophysics Laboratory, no. AFGL-TR-87-0230, pp. 103-155
    Publication Date: 1987
    Keywords: Nuclear explosion ; Detectors ; Seismology ; NOISE ; First arrival
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  • 23
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    Air Force Geophysics Laboratory
    In:  Technical Report, Arlington, Virgina, Air Force Geophysics Laboratory, vol. 11, no. AFGL-TR-87-0217, pp. 1-9
    Publication Date: 1987
    Keywords: Nuclear explosion ; Attenuation ; Seismology ; Lg-waves ; Teleseismic events
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  • 24
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    Air Force Geophysics Laboratory
    In:  Technical Report, Zürich, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-87-0250, pp. 2985-3018
    Publication Date: 1987
    Keywords: Nuclear explosion ; Seismology ; SEModelling ; Source ; Nearfield ; Synthetic seismograms
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  • 25
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    Air Force Geophysics Laboratory
    In:  Technical Report, San Francisco, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-87-0192, pp. 5989-5994
    Publication Date: 1987
    Keywords: Nuclear explosion ; SEModelling ; Seismology ; Teleseismic events
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  • 26
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    Air Force Geophysics Laboratory
    In:  Technical Report, Hannover, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-88-0130, pp. 1143-1146 (SL3.8), (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Source ; Seismology ; Frequency ; Spectrum
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  • 27
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    Air Force Geophysics Laboratory
    In:  Technical Report, Hamburg, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-87-0043, pp. 1975-1982, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Attenuation ; Discrimination ; Seismology ; Energy (of earthquakes)
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    Air Force Geophysics Laboratory
    In:  Technical Report, Leipzig, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-87-0237, pp. 257-262, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Seismology ; Attenuation ; Inversion ; Spectrum ; seismic Moment ; Seismic arrays
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    Lawrence Livermore National Laboratory
    In:  report, Arlington, Virginia, Lawrence Livermore National Laboratory, vol. 10, no. UCID-21047, pp. 484-486, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Frequency ; NOISE ; Seismology
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    Air Force Geophysics Laboratory
    In:  Technical Report, Golden, Air Force Geophysics Laboratory, vol. 1034, no. AFGL-TR-87-0136, pp. 1-109, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Anisotropy ; Elasticity ; Seismology ; cracks and fractures (.NE. fracturing) ; Fluids
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    Air Force Geophysics Laboratory
    In:  Technical Report, Mexico, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-87-0264, pp. 1015-1021, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Seismology ; Broad-band
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    Air Force Geophysics Laboratory
    In:  Technical Report, Mexico, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-87-0106, pp. 1015-1021, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Finite difference method ; Seismology ; Magnitude ; Waves ; Source ; Body waves ; Surface waves
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  • 33
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    Air Force Geophysics Laboratory
    In:  Technical Report, Leipzig, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-87-0276, pp. 131, (ISBN 0 08 042822 3)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Scattering ; Elasticity ; Seismology ; Attenuation ; CRUST ; Toksoz
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  • 34
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    Air Force Geophysics Laboratory
    In:  Technical Report, Potsdam, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-87-0239, pp. 277-280, (ISBN 0 08 042822 3)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Tectonics ; Body waves ; Seismology ; Stress ; Seismicity ; Broad-band
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  • 35
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    Air Force Geophysics Laboratory
    In:  Technical Report, Bakersfield, Air Force Geophysics Laboratory, vol. 10, no. AFGL-TR-87-0238, pp. 1370-1373, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Spectrum ; Seismology ; Synthetic seismograms
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  • 36
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    Air Force Geophysics Laboratory
    In:  Technical Report, Kiel, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-87-0229, pp. 267-278, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Wave propagation ; Seismology ; Lg-waves ; Inhomogeneity
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  • 37
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    Air Force Geophysics Laboratory
    In:  Technical Report, Los Angeles, Air Force Geophysics Laboratory, vol. C 560, 183 pp., no. AFGL-TR-87-0101, pp. 68-71, (ISBN 3-933346-037)
    Publication Date: 1987
    Keywords: Nuclear explosion ; Seismology ; Earth model, also for more shallow analyses ! ; Source ; EUROPROBE (Geol. and Geophys. in eastern Europe)
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  • 38
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    Lawrence Livermore National Laboratory
    In:  Proceedings of the 1986 RSTN/NORESS Research Symposium, Luxembourg, Lawrence Livermore National Laboratory, vol. 76, no. 1, pp. 33-58, pp. B05311, (ISSN: 1340-4202)
    Publication Date: 1986
    Keywords: Seismology ; Detectors ; Seismic arrays
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  • 39
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    American Geophysical Union
    In:  Professional Paper, Earthquake Source Mechanics, Washington, D.C., American Geophysical Union, vol. 37, no. 16, pp. 275-283, (ISBN 0080419208)
    Publication Date: 1986
    Keywords: Spectrum ; Source parameters ; Seismology
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  • 40
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    American Geophysical Union
    In:  Bull., Open-File Rept., Earthquake Source Mechanics, Washington, D.C., American Geophysical Union, vol. 37, no. 16, pp. 285-296, (ISBN 1-86239-165-3, vi + 330 pp.)
    Publication Date: 1986
    Keywords: Seismology ; Seismic networks ; Fracture ; Source
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  • 41
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    American Geophysical Union
    In:  Earthquake Source Mechanics, Washington, D.C., American Geophysical Union, vol. 37, pp. 311-318, (ISBN 3-540-24988-5)
    Publication Date: 1986
    Keywords: Seismology ; Source ; Attenuation
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  • 42
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    American Geophysical Union
    In:  Bull., Polar Proj. OP-O3A4, Earthquake Source Mechanics, Washington, D.C., American Geophysical Union, vol. 37, no. 16, pp. 269-274, (ISBN: 3-540-23712-7)
    Publication Date: 1986
    Keywords: Seismology ; Green's function ; Source
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  • 43
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    American Geophysical Union
    In:  Earthquake Source Mechanics, Washington, D.C., American Geophysical Union, vol. 37, pp. 259-267, (ISBN 3-540-24988-5)
    Publication Date: 1986
    Keywords: Seismology ; Source parameters ; Seismicity
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  • 44
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    Lawrence Livermore National Laboratory
    In:  1986 RSTN / NORESS Research Symposium, Berkeley, Lawrence Livermore National Laboratory, vol. C 560, 183 pp., no. 89-0684, 26 pp., pp. 59-76, (ISBN 3-933346-037)
    Publication Date: 1986
    Keywords: Seismology ; Seismic arrays ; Data analysis / ~ processing ; Kvaerna
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  • 45
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    Lawrence Livermore National Laboratory
    In:  Proceedings of the 1986 RSTN/NORESS Research Symposium, Hannover, Lawrence Livermore National Laboratory, vol. C 560, 183 pp., no. AFGL-TR-88-0149, pp. 77-99, (ISBN 3-933346-037)
    Publication Date: 1986
    Keywords: Seismology ; Detectors ; Seismic arrays
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  • 46
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    Lawrence Livermore National Laboratory
    In:  informal report, Livermore, Lawrence Livermore National Laboratory, vol. 339-350, no. UCID-20642, pp. 344, (ISBN 3-933346-037)
    Publication Date: 1986
    Keywords: Seismology ; Discrimination ; Nuclear explosion ; Magnitude
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  • 47
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    Lawrence Livermore National Laboratory
    In:  rept., Livermore, Calif., Lawrence Livermore National Laboratory, vol. 10, no. UCID-18099, pp. 1358-1361, (ISBN 3-933346-037)
    Publication Date: 1979
    Keywords: Review article ; Deep seismic sounding (espec. cont. crust) ; CRUST ; earth mantle ; Seismology ; EUROPROBE (Geol. and Geophys. in eastern Europe)
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