Magnitude 6.6 - NEAR THE WEST COAST OF HONSHU, JAPAN
2004 October 23 08:56:00 UTC
Earthquake Details
- This event has been reviewed by a seismologist.
| Magnitude | 6.6 |
|---|---|
| Date-Time |
|
| Location | 37.231°N, 138.753°E |
| 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 |
| Source |
|
| Event ID | uspyal |
- Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.
Earthquake Summary
Felt Reports
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.
Tectonic Summary
Earthquake Maps
Earthquake Location
Location Maps
ShakeMap
Historical Seismicity
Seismic Hazard Map
EQ Density Map
Google Map
Google Earth KML
(Requires Google Earth)- Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.
Scientific & Technical Information
Additional Information
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver
