Magnitude 6.6 - OFF THE EAST COAST OF HONSHU, JAPAN
2011 March 22 07:18:47 UTC
- This event has been reviewed by a seismologist.
|Depth||26.5 km (16.5 miles)|
|Region||OFF THE EAST COAST OF HONSHU, JAPAN|
|Distances||274 km (170 miles) E of Iwaki, Honshu, Japan|
293 km (182 miles) ESE of Sendai, Honshu, Japan
313 km (194 miles) E of Fukushima, Honshu, Japan
415 km (257 miles) ENE of TOKYO, Japan
|Location Uncertainty||horizontal +/- 13.9 km (8.6 miles); depth +/- 0.5 km (0.3 miles)|
|Parameters||NST=300, Nph=305, Dmin=518.7 km, Rmss=1.18 sec, Gp= 32°,|
M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=7
- 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
The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.
General Tsunami Information
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver