Re-examination of the epicenter of the 16 September 1994 Taiwan Strait earthquake using the beam-forming method

NCUIR > College of Earth Sciences > Graduate Institute of Geophysics > journal & Dissertation > Item 987654321/27586

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/27586

Title:	Re-examination of the epicenter of the 16 September 1994 Taiwan Strait earthquake using the beam-forming method
Authors:	Huang,BS;Chen,KC;Yen,HY;Yao,ZX
Contributors:	地球物理研究所
Keywords:	CATALOG
Date:	1999
Issue Date:	2010-06-29 18:41:24 (UTC+8)
Publisher:	中央大學
Abstract:	The source location of the 16 September 1994 Taiwan Strait earthquake was relocated based on the beam-forming method using joint seismic observations from regional seismic networks in Taiwan and Fujian and the International Seismological Center Bulletin. The revised epicenter is located at latitude 22.37 degrees N (+/-0.03 degrees) and longitude 118.63 degrees E (+/-0.03 degrees). Results of this study showed that the location uncertainty has been significantly reduced using this approach. Decomposition tests of this study showed that the epicenters of Taiwan Strait events can be determined by the beamforming method using data from densely distributed seismic stations in Taiwan. However, source depths of Taiwan Strait events can not be determined unambiguously using the first P-arrivals only. Seismic waveform data should be carefully re-examined using this method to investigate earthquake source properties and seismicity of the Taiwan Strait region.
Relation:	TERRESTRIAL ATMOSPHERIC AND OCEANIC SCIENCES
Appears in Collections:	[Graduate Institute of Geophysics] journal & Dissertation

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