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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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)|
|Title:||Earthquake signatures in the ionosphere detected by GPS measurements|
|Journal or Publication Title:||Proceedings BSS04|
|In ISI Web of Science:||No|
|Keywords:||GPS, Earthquake, Ionosphere|
|Event Title:||Beacon Satellite Symposium 2004, ICTP Trieste, Italy, October 18-22, 2004|
|Event Type:||international Conference|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W - no assignement|
|DLR - Research area:||Space|
|DLR - Program:||W - no assignement|
|DLR - Research theme (Project):||W -- no assignement (old)|
|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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