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Magnitude 6.8 - TAIWAN

2003 December 10 04:38:11 UTC

Preliminary Earthquake Report

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Magnitude 6.8
Date-Time Wednesday, December 10, 2003 at 04:38:11 (UTC)
= Coordinated Universal Time
Wednesday, December 10, 2003 at 12:38:11 PM
= local time at epicenter

Time of Earthquake in other Time Zones
Location 23.065°N, 121.357°E
Depth 10 km (6 miles) set by location program
45 km (25 miles) NNE of T'ai-tung, Taiwan
100 km (65 miles) SSW of Hua-lien, Taiwan
110 km (70 miles) SE of Chia-i, Taiwan
225 km (140 miles) S of T'AI-PEI, Taiwan
Location Uncertainty horizontal +/- 7 km (4.3 miles); depth fixed by location program
Parameters Nst=151, Nph=151, Dmin=212.4 km, Rmss=1.13 sec, Gp= 36°,
M-type=teleseismic moment magnitude (Mw), Version=Q
Event ID uscead
Felt Reports Recorded (6 TAP) in T'ai-tung; (4 TAP) in Chia-i, Chang-hua, Hua-lien, Kao-hsiung, Nan-t'ou, P'ing-tung, T'ai-nan and Yun-lin; (3 TAP) in I-lan, Miao-li, Su-ao, T'ai-chung and T'ai-pei; (2 TAP) inHsin-chu and T'ao-yuan Counties. Also recorded (1 JMA) on Hateruma-jima, Iriomote-jima, Ishigaki-jima, Tarama-shima and Yonaguni-jima.

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver