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Earthquake signatures in the ionosphere detected by GPS measurements

Wilken, V. and Jakowski, N. (2004) Earthquake signatures in the ionosphere detected by GPS measurements. In: Proceedings BSS04. Beacon Satellite Symposium 2004, ICTP Trieste, Italy, October 18-22, 2004, Triestr.

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Abstract

The ionospheric response to earthquakes has been reported in the literature since many years. Since the effects are extremely small, sensitive detection techniques have to be applied. Dense networks of GPS receivers, available nowadays, provide a reliable data base for studying earthquake induced signatures in more detail. Using the dense GPS network in North America, relative TEC data from differential phases were analyzed to detect signatures in correlation to selected earthquakes of magnitude > 6. Earthquake related structures were found after the Denali earthquake on 3/11/2002 and during the California earthquake on 22/12/ 2003. It is assumed that these significant structures are associated to acoustic waves excited in the atmosphere by seismic waves. Detection techniques and wave propagation features will be discussed.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Earthquake signatures in the ionosphere detected by GPS measurements
Authors:
AuthorsInstitution or Email of Authors
Wilken, V.UNSPECIFIED
Jakowski, N.UNSPECIFIED
Date:2004
Journal or Publication Title:Proceedings BSS04
Refereed publication:Yes
In ISI Web of Science:No
Status:Published
Keywords:GPS, Earthquake, Ionosphere
Event Title:Beacon Satellite Symposium 2004, ICTP Trieste, Italy, October 18-22, 2004
Event Location:Triestr
Event Type:international Conference
Organizer:ICTP Triest
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignement
DLR - Research area:Space
DLR - Program:W - no assignement
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 21:34

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