Magnitude 6.6 - NEAR THE WEST COAST OF HONSHU, JAPAN
2004 October 23 08:56:00 UTC
- This event has been reviewed by a seismologist.
|Depth||16 km (9.9 miles) set by location program|
|Region||NEAR THE WEST COAST OF HONSHU, JAPAN|
|Distances|| 80 km (50 miles) SSW of Niigata, Honshu, Japan|
85 km (50 miles) NE of Nagano, Honshu, Japan
95 km (60 miles) NNW of Maebashi, Honshu, Japan
195 km (120 miles) NNW of TOKYO, Japan
|Location Uncertainty||horizontal +/- 4.5 km (2.8 miles); depth fixed by location program|
|Parameters||NST=283, Nph=283, Dmin=91.2 km, Rmss=0.98 sec, Gp= 32°,|
M-type=teleseismic moment magnitude (Mw), Version=S
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MW 6.5 (NIED). At least 33 people killed, 2,900 injured, 395 buildings destroyed and 3,473 damaged in Niigata Prefecture. A high-speed train derailed; several roads, bridges and rail lines damaged; at least 151 landslides and 11 fires occurred; several gas, water and power lines damaged in Niigata Prefecture. Felt in Chiba, Fukushima, Gumma, Kanagawa, Miyagi, Saitama and Tokyo Prefectures.
Scientific & Technical Information
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver