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The 17 July 2006 Java tsunami earthquake

Ammon, Charles J. and Kanamori, Hiroo and Lay, Thorne and Velasco, Aaron A. (2006) The 17 July 2006 Java tsunami earthquake. Geophysical Research Letters, 33 (24). Art. No. L24308. ISSN 0094-8276. https://resolver.caltech.edu/CaltechAUTHORS:20141027-104857317

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Abstract

The 17 July 2006 Java earthquake involved thrust faulting in the Java trench and excited a deadly tsunami (∼5–8 m) that inundated the southern coast of Java. The earthquake's size estimates vary significantly with seismic wave period: very long-period signals (300–500+ s) indicate a seismic moment of 6.7 × 10^(20) Nm (M_w = 7.8), M_S (∼20 s) = 7.2, m_b (∼1 s) = 6.2, while shaking intensities (3–10 Hz) were ≤ MMIV. The large tsunami relative to MS characterizes this event as a tsunami earthquake. Like previous tsunami earthquakes, the Java event had an unusually low rupture speed of 1.0–1.5 km/s, and occurred near the up-dip edge of the subduction zone thrust fault. Most large aftershocks involved normal faulting. The rupture propagated ∼200 km along the trench, with several pulses of shorter period seismic radiation superimposed on a smooth background rupture with an overall duration of ∼185 s.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1029/2006GL028005 DOIArticle
http://onlinelibrary.wiley.com/doi/10.1029/2006GL028005/abstractPublisherArticle
http://onlinelibrary.wiley.com/doi/10.1029/2006GL028005/suppinfoPublisherSupporting Information
ORCID:
AuthorORCID
Kanamori, Hiroo0000-0001-8219-9428
Lay, Thorne0000-0003-2360-4213
Additional Information:© 2006 by the American Geophysical Union. Received 2 September 2006; revised 5 November 2006; accepted 14 November 2006; published 22 December 2006. We thank Kenji Satake and an anonymous reviewer for their comments. We also thank the developers of GMT and SAC, and the seismic network operators who have constructed a superb open-data-access network for seismic research and monitoring. The facilities of the IRIS Data Management System were used to access the data used in this study. Supported by NSF grant EAR01235595 (TL) and USGS award 05HQGR0174 (CJA).
Funders:
Funding AgencyGrant Number
NSFEAR 01235595
USGS05HQGR0174
Subject Keywords:earthquake; tsunami; subduction
Issue or Number:24
Record Number:CaltechAUTHORS:20141027-104857317
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141027-104857317
Official Citation:Ammon, C. J., H. Kanamori, T. Lay, and A. A. Velasco (2006), The 17 July 2006 Java tsunami earthquake, Geophys. Res. Lett., 33, L24308, doi:10.1029/2006GL028005
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50845
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:27 Oct 2014 18:01
Last Modified:09 Mar 2020 13:18

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