Magnitude 6.1 earthquake struck Hokkaido, Japan on Wednesday, May 23, 2012 at 15:02:25 UTC. Epicenter was located 109 km (68 miles) NNE (26 degrees) of Hachinohe, Honshu, 120 km (74 miles) ESE (111 degrees) of Hakodate, Hokkaido, 129 km (80 miles) ENE (61 degrees) of Aomori, Honshu and 666 km (414 miles) NNE (17 degrees) of Tokyo (41.378N 142.073E). According to USGS the depth of epicenter was 40.7 km (25.3 miles).
Tohoku Electric Power has reported that there were NO power outages. The Mutsu nuclear installations and the Ogawara Nuclear plant are reported to be operating normally.
Trains have been halted for a while during and after the quake
Aomori authorities have inspected various strategic buildings like airports, runways, etc and found no structural damage.
|Issued at||Occurred at||Region Name||Magnitude|
|00:06 JST 24 May 2012||00:02 JST 24 May 2012||Aomori-ken Toho-oki||M6.0|
|12:21 JST 21 May 2012||12:19 JST 21 May 2012||Okinawa-honto Hokusei-oki||M5.0|
|16:24 JST 20 May 2012||16:20 JST 20 May 2012||Sanriku Oki||M6.2|
|04:09 JST 20 May 2012||04:05 JST 20 May 2012||Sanriku Oki||M5.8|
|17:23 JST 18 May 2012||17:19 JST 18 May 2012||Ibaraki-ken Nambu||M4.8|
|Depth||40.7 km (25.3 miles)|
|Region||HOKKAIDO, JAPAN REGION|
|Distances||107 km (66 miles) NNE of Hachinohe, Honshu, Japan|
119 km (73 miles) ESE of Hakodate, Hokkaido, Japan
127 km (78 miles) ENE of Aomori, Honshu, Japan
663 km (411 miles) NNE of TOKYO, Japan
|Location Uncertainty||horizontal +/- 13.7 km (8.5 miles); depth +/- 6.5 km (4.0 miles)|
|Parameters||NST=539, Nph=540, Dmin=114.7 km, Rmss=0.65 sec, Gp= 29°,|
M-type=teleseismic moment magnitude (Mw), Version=9
- Earthquake Research Institute, University of Tokyo
- Geological Survey of Japan - GSJ
- Japan Meteorological Agency - JMA
Featured image: Google Earth + USGS