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  • German  (3)
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  • 1
    Publication Date: 2020-02-12
    Description: Central Asia belongs to the regions of the world most exposed to high levels of seismic hazard. After the collapse of Soviet Union, the seismic monitoring in this area decreased significantly in quality and quantity since the maintenance of previous analog networksdealt with serious economic difficulties. Moreover, the installation of modern digital network was limited to few cases (e.g. stations in Kazakhstan or the KNET deployed in Kyrgyzstan). In the last decade the situation improved but still the new networks are concentrated in a few regions and devoted mainly to weak-motion seismology. In this article, we describe the installation of a small strong-motion network in the Kyrgyz capital Bishkek, intended for earthquake early warning and rapid response purposes. Low cost strong-motion stations developed at GFZ have been installed in seven buildings spread over the town, each one monitored by several sensing units to accomplish also the task of structural health monitoring. The stations communicate via wireless link and the streams collected by one specific station are communicated to the data management center via internet. Each unit has computational power, allowing for decentralized operations related to on-site early warning. An extension of this network to a regional early warning network for real time risk assessment is expected in the near future.
    Language: German
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 2
    Publication Date: 2020-02-12
    Description: The possibility of seismic risk mitigation in high hazard region like Central Asia requires the availability of strong motion recordings.When available also in real time, they can be precious for enabling early warning systems and efficient rapid response procedure. TheACROSS project is implementing the installation of the first real time strong motion network for Central Asia. It offers the opportunityfor developing, testing and implementing new methodologies for strong motion data analysis in real time, improving the transfer ofknowledge from research to application.
    Language: German
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 3
    Publication Date: 2020-02-12
    Description: The threat to human society arising from earthquakes should never be underestimated, especially in those regions of the world more exposed to this natural hazard. The complex geodynamics of Central Asia make it a natural research laboratory for the geoscience community, but also present a source of serious concern for local populations and their administrations who have already dealt with the devastating consequence of earthquakes in the past. Evaluating expected seismic risk for the exposed communities is a great challenge that calls for a strong, unified effort by researchers and decision makers. The nature of this challenge requires holistic, multidisciplinary approaches and the development of innovative solutions and methodologies, especially in countries where few resources are available for disaster prevention and mitigation. Within several projects the GFZ Centre for Early Warning currently focuses on different components of risk in Central Asia. This article, therefore, provides a brief overview of these research activities, along with a description of an application in the framework of Early Warning and Rapid Response.
    Language: German
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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