Magnitude 6.8 - HOKKAIDO, JAPAN REGION

2008 September 11 00:20:52 UTC

Earthquake Details

Magnitude	6.8
Date-Time	Thursday, September 11, 2008 at 00:20:52 UTC Thursday, September 11, 2008 at 09:20:52 AM at epicenter Time of Earthquake in other Time Zones
Location	41.976°N, 143.630°E
Depth	35 km (21.7 miles) set by location program
Region	HOKKAIDO, JAPAN REGION
Distances	130 km (80 miles) SSW of Kushiro, Hokkaido, Japan 240 km (150 miles) SSE of Asahikawa, Hokkaido, Japan 240 km (150 miles) ESE of Sapporo, Hokkaido, Japan 775 km (480 miles) NNE of TOKYO, Japan
Location Uncertainty	horizontal +/- 7.7 km (4.8 miles); depth fixed by location program
Parameters	NST=184, Nph=185, Dmin=0 km, Rmss=1.21 sec, Gp= 0, M-type=regional moment magnitude (Mw), Version=8
Source	USGS NEIC (WDCS-D)
Event ID	us2008wvag

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Earthquake Summary

Felt Reports

Felt (IV) at Sapporo and (III) at Misawa. Felt at Hakodate and Otofuke. Recorded (5L JMA) in southern Hokkaido. Also recorded (3 JMA) in Aomori and Iwate; (2 JMA) in Akita, Miyagi and Yamagata; (1 JMA) in Fukushima, Gumma, Ibaraki and Tochigi. A small tsunami was recorded at Hanasaki.

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Scientific & Technical Information

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