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Historical Seismograms - Evidence from the AD 2000 Izu Islands ...

Historical Seismograms - Evidence from the AD 2000 Izu Islands ...

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<strong>Historical</strong> Earthquakes of Thailand, Burma, and Indochina 255I22'18'14'10'6'Figure 2. Seismic source zone of Burma - Thailand - Indochina.In zone I (South Yunnan-Kwangsi), <strong>the</strong> most destructive earthquake was <strong>the</strong>Qiongzhou earthquake of July 1605, having maximum intensity XI (M.M. scale)at Hainan Island. The main seismic zone is located in South Yunnan Province,north of <strong>the</strong> Red River fault between <strong>the</strong> Red River fault and <strong>the</strong> area where <strong>the</strong>left-lateral Kang Ting fault seems to terminate near <strong>the</strong> Red River fault, as shownin Figure 5.Figure 6 shows <strong>the</strong> location and date of historical earthquakes during <strong>the</strong> period1900 to 1983 having magnitude greater than 7. The greatest earthquake (magnitude8.1) occurred during June 1941, and waa located in <strong>the</strong> NW of <strong>the</strong> Andaman <strong>Islands</strong>(zone J). The active tectonics in <strong>the</strong> Andaman Sea is due to <strong>the</strong> underthrusting of<strong>the</strong> Indian Plate.

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