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Earthquake Hazards Program

News Release

Monday, December 06, 2004 at 14:15:11 UTC

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

The following is a release by the United States Geological Survey, National Earthquake Information Center: A strong earthquake occurred about 65 km (40 miles) east of Kushiro, Hokkaido, Japan at 7:15 AM MST, Dec 6, 2004 (11:15 PM local time in Japan). The magnitude and location may be revised when additional data and further analysis results are available. This earthquake is the largest aftershock of the magnitude 7.0 quake on November 28, 2004 at 18:32 UTC.

At least 4 people injured and power outages occurred in the Kushiro area. Felt at Obihiro. Also felt at Misawa and Sendai, Honshu. Recorded (5U JMA) in the Kushiro area; (5L JMA) in the Obihiro area and in eastern Hokkaido; (4 JMA) in the Chitose-Tomakomai area and in south-central Hokkaido; (3 JMA) in southwestern and central Hokkaido; (2 JMA) in the Shibetsu area; (1 JMA) in northern Hokkaido. Also recorded (3 JMA) in Aomori and Miyagi; (2 JMA) in Akita, Iwate and Yamagata; (1 JMA) in Fukushima, Ibaraki, Niigata and Shizuoka Prefectures, Honshu.


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