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Extent, duration and speed of the 2004 Sumatra–Andaman earthquake imaged by the Hi-Net array

Author

Listed:
  • Miaki Ishii

    (University of California San Diego)

  • Peter M. Shearer

    (University of California San Diego)

  • Heidi Houston

    (University of California Los Angeles)

  • John E. Vidale

    (University of California Los Angeles)

Abstract

Distant signals from Sumatra Two studies published this week view the earthquake that caused the devastating Indian Ocean tsunami of last December from a distance. Data from Japan's Hi-Net seismic array show that the rupture propagated in one direction, taking 8 minutes to travel 1,300 km north at 2.8 km per second. The calculations are based on the first seismic waves to reach the array; this monitoring system could in future be used to profile large earthquakes within minutes of their occurrence. Data from the German Regional Seismic Network, 9,000 km from the event, suggest that the rupture propagated at between 2.4 and 2.8 km per second initially, before slowing as it turned north.

Suggested Citation

  • Miaki Ishii & Peter M. Shearer & Heidi Houston & John E. Vidale, 2005. "Extent, duration and speed of the 2004 Sumatra–Andaman earthquake imaged by the Hi-Net array," Nature, Nature, vol. 435(7044), pages 933-936, June.
    • Handle: RePEc:nat:nature:v:435:y:2005:i:7044:d:10.1038_nature03675
    DOI: 10.1038/nature03675
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    Cited by:

    1. Deyu Yin & Yun Dong & Qifang Liu & Yadong Chen & Yuexin She, 2020. "Estimation of high-frequency seismic wave radiation on fault plane of 2008 Wenchuan earthquake based on improved empirical Green’s function," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 104(1), pages 397-412, October.
    2. J. Wijetunge, 2010. "Numerical simulation and field survey of inundation due to 2004 Indian Ocean tsunami in Trincomalee, Sri Lanka," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 54(1), pages 177-192, July.

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