Publication Date:
2022-05-24
Description:
Earthquake source inversions based on space-borne Synthetic
Aperture Radar interferometry (InSAR) are used extensively.
Typically, however, only the line-of-sight (LoS) surface displacement
component is measured, which is mainly sensitive
to the vertical and E–W deformations, although well-established
methods also exist to estimate the flight-path component,
which is highly sensitive to the N–S displacement. With
high-resolution sensors, these techniques are particularly
appealing, because accuracies in the order of 3 cm can be
achieved, while retaining spatial resolutions between 45 m
and a few km, depending on the required level of filtering.
We discuss the application to COSMO-SkyMed SAR imagery of
the Spectral Diversity or Multi Aperture Interferometry technique,
presenting the first SAR flight-path displacement field
associated with the Mw 6.3, 2009 L’Aquila event (central Apennines).
Finally, we observe and characterize a previously
unknown misregistration pattern.
Description:
Published
Description:
28-35
Description:
2T. Tettonica attiva
Description:
JCR Journal
Description:
restricted
Keywords:
Crustal Deformation
;
Multi Aperture Interferometry MAI
;
InSAR
;
L'Aquila Earthquake
;
Satellite geodesy
;
04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations
Repository Name:
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
Type:
article
