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Characteristics of the seismicity and absorption field of S -waves in the source region of the Sumatra earthquake of December 26, 2004

Characteristics of the seismicity and absorption field of S -waves in the source region of the... ISSN 1028-334X, Doklady Earth Sciences, 2008, Vol. 423, No. 8, pp. 1257–1261. © Pleiades Publishing, Ltd., 2008. Original Russian Text © Yu.F. Kopnichev, I.N. Sokolova, 2008, published in Doklady Akademii Nauk, 2008, Vol. 422, No. 5, pp. 672–676. GEOPHYSICS Yu. F. Kopnicheva and I. N. Sokolovab Presented by Academician V.N. Strakhov March 17, 2008 Received March 18, 2008 DOI: 10.1134/S1028334X08080163 Characteristics of the seismicity and absorption field of short-period transversal waves are studied in the source region of the Sumatra earthquake of December 26, 2004 (Mw = 9.0). A ring structure was distinguished west of Sumatra Island, which was formed by the epicenters of shallow earthquakes with M ≥ 5.5 that occurred in the period from January 1, 1969, to December 25, 2004, in the region between 1° and 7° N. The majority of relatively strong (M ≥ 5.5) deep aftershocks of the Sumatra earthquake was confined to the boundaries of this structure. Mapping of the absorption field in the source zone and nearby vicinities was made on the basis of records at the PSI station at epicentral distances ~250–700 km. We used the method based on the analysis of the attenuation rate of the early coda Sn http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Earth Sciences Springer Journals

Characteristics of the seismicity and absorption field of S -waves in the source region of the Sumatra earthquake of December 26, 2004

Doklady Earth Sciences , Volume 423 (1) – Nov 1, 2008

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References (7)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Pleiades Publishing, Ltd.
Subject
Geosciences; Geosciences, general
ISSN
1028-334X
eISSN
1531-8354
DOI
10.1134/S1028334X08080163
Publisher site
See Article on Publisher Site

Abstract

ISSN 1028-334X, Doklady Earth Sciences, 2008, Vol. 423, No. 8, pp. 1257–1261. © Pleiades Publishing, Ltd., 2008. Original Russian Text © Yu.F. Kopnichev, I.N. Sokolova, 2008, published in Doklady Akademii Nauk, 2008, Vol. 422, No. 5, pp. 672–676. GEOPHYSICS Yu. F. Kopnicheva and I. N. Sokolovab Presented by Academician V.N. Strakhov March 17, 2008 Received March 18, 2008 DOI: 10.1134/S1028334X08080163 Characteristics of the seismicity and absorption field of short-period transversal waves are studied in the source region of the Sumatra earthquake of December 26, 2004 (Mw = 9.0). A ring structure was distinguished west of Sumatra Island, which was formed by the epicenters of shallow earthquakes with M ≥ 5.5 that occurred in the period from January 1, 1969, to December 25, 2004, in the region between 1° and 7° N. The majority of relatively strong (M ≥ 5.5) deep aftershocks of the Sumatra earthquake was confined to the boundaries of this structure. Mapping of the absorption field in the source zone and nearby vicinities was made on the basis of records at the PSI station at epicentral distances ~250–700 km. We used the method based on the analysis of the attenuation rate of the early coda Sn

Journal

Doklady Earth SciencesSpringer Journals

Published: Nov 1, 2008

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