中国地震台网测定

据中国台网测定，2004年11月08日,23时54分58.0秒 在台湾以东海中(北纬24.0,东经122.6) 发生6.5级地震。

美国地震台网测定:

Magnitude 6.3 - TAIWAN REGION
2004 November 8 15:55:03 UTC

　

A strong earthquake occurred at 15:55:03 (UTC) on Monday, November 8, 2004. The magnitude 6.3 event has been located in the TAIWAN REGION. The hypocentral depth was estimated to be 49 km (30 miles). (This event has been reviewed by a seismologist.)

Magnitude 6.3 Date-Time Monday, November 8, 2004 at 15:55:03 (UTC) = Coordinated Universal Time Monday, November 8, 2004 at 11:55:03 PM = local time at epicenter Time of Earthquake in other Time Zones Location 24.074°N, 122.504°E Depth 49 km (30.4 miles) Region TAIWAN REGION Distances 90 km (55 miles) SE of Su-ao, Taiwan 95 km (60 miles) E of Hua-lien, Taiwan 150 km (90 miles) SE of T'AI-PEI, Taiwan 175 km (110 miles) ESE of Hsin-chu, Taiwan Location Uncertainty horizontal +/- 6.1 km (3.8 miles); depth +/- 10.3 km (6.4 miles) Parameters Nst=136, Nph=136, Dmin=143.4 km, Rmss=0.95 sec, Gp= 50°, M-type=moment magnitude (Mw), Version=9 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.