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Headlines • Magnitude 7.6 - PAKISTAN, October 8, 2005 • Magnitude 6.1 Near the South Coast of Honshu, Japan, July 23, 2005 • Yet Another, 6.7 Quake Off The Coast Of Northern California, June 16, 2005 • 3rd Quake To Strike California This Week, June 16, 2005 • Tsunami Warning Cancelled After Magnitude 7.2 Off the Coast of Northern California, June 15, 2005 • Magnitude 8.7 - Northern Sumatra, Indonesia, March 28, 2005 • Earthquake Down Under - Magnitude 7.1 rattles Indonesia and Australia, March 2, 2005 • Worlds Strongest Quake in 40 Years Strikes Northern Sumatra: Tsunami Deal Toll Approaching 300,000, December 26, 2004 • Magnitude 7.0 - Hokkaido, Japan Rregion, November 28, 2004 • Magnitude 7.2 - Papua, Indonesia, November 26, 2004 • Magnitude 7.1 - Off West Coast Of The South Island, N.Z., November 22, 2004

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

A strong earthquake occurred at 04:08:50 (UTC) on Friday, October 15, 2004. The magnitude 6.7 event has been located in the TAIWAN REGION. The hypocentral depth was estimated to be 96 km (60 miles). (This event has been reviewed by a seismologist.)

Magnitude 6.7 Date-Time Friday, October 15, 2004 at 04:08:50 (UTC) = Coordinated Universal Time Friday, October 15, 2004 at 12:08:50 PM = local time at epicenter Time of Earthquake in other Time Zones Location 24.507°N, 122.671°E Depth 96.5 km (60.0 miles) Region TAIWAN REGION Distances 85 km (50 miles) E of Su-ao, Taiwan 125 km (80 miles) ENE of Hua-lien, Taiwan 130 km (80 miles) ESE of T'AI-PEI, Taiwan 155 km (95 miles) W of Ishigaki-jima, Ryukyu Islands, Japan Location Uncertainty horizontal +/- 5.7 km (3.5 miles); depth +/- 9.5 km (5.9 miles) Parameters Nst=194, Nph=194, Dmin=130.3 km, Rmss=0.83 sec, Gp= 47°, M-type=moment magnitude (Mw), Version=9 Source USGS NEIC (WDCS-D) Event ID uspqan