Magnitude 6.3 - TAIWAN REGION
2004 November 8 15:55:01 UTC

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

A strong earthquake occurred at 15:55:01 (UTC) on Monday, November 8, 2004. The magnitude 6.3 event has been located in the TAIWAN REGION. (This event has been reviewed by a seismologist.)

Magnitude 6.3 Date-Time Monday, November 8, 2004 at 15:55:01 (UTC) = Coordinated Universal Time Monday, November 8, 2004 at 11:55:01 PM = local time at epicenter Time of Earthquake in other Time Zones Location 24.059°N, 122.548°E Depth 29 km (18.0 miles) set by location program Region TAIWAN REGION Distances 95 km (60 miles) SE of Su-ao, Taiwan 100 km (60 miles) E of Hua-lien, Taiwan 155 km (95 miles) SE of T'AI-PEI, Taiwan 170 km (105 miles) WSW of Ishigaki-jima, Ryukyu Islands, Japan Location Uncertainty horizontal +/- 5.9 km (3.7 miles); depth fixed by location program Parameters Nst=135, Nph=135, Dmin=147.9 km, Rmss=0.97 sec, Gp= 50°, M-type=teleseismic moment magnitude (Mw), Version=Q Source USGS NEIC (WDCS-D) Event ID usqpat Felt Reports Felt at T'ai-pei. Recorded (4 TAP) in I-lan; (3 TAP) in Chang-hua, Hua-lien, Hsin-chu, Miao-li, Nan- t'ou, T'ai-pei and T'ao-yuan; (2 TAP) in Chia-i, T'ai-chung, T'ai-nan, T'ai-tung and Yun-lin Counties.

Location Maps: NEIC Maps Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others. NEIC Moment Tensor Solution Historical Moment Tensor Solutions Seismic Hazard Map Historical Seismicity Theoretical P-Wave Travel Times Energy and Broadband Solution Phase Data News Release Earthquake Information for TAIWAN Archive of newsworthy events

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The official magnitude for this earthquake is indicated at the top of this page. This was the best available estimate of the earthquake's size, at the time that this page was created. Other magnitudes associated with web pages linked from here are those determined at various times following the earthquake with different types of seismic data. Although, given the data used, they are legitimate estimates of magnitude, they are not considered the official magnitude.

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