upgraded to 7.0:

[link to earthquake.usgs.gov]




Magnitude 7.0 - KURIL ISLANDS
2009 April 07 04:23:34 UTC
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Earthquake Details
Magnitude 7.0
Date-Time Tuesday, April 07, 2009 at 04:23:34 UTC
Tuesday, April 07, 2009 at 04:23:34 PM at epicenter

Location 46.141°N, 151.420°E
Depth 39.1 km (24.3 miles)
Region KURIL ISLANDS
Distances 293 km (182 miles) ENE (69°) from Kuril'sk, Kuril Islands
658 km (409 miles) NE (55°) from Kushiro, Hokkaido, Japan
1519 km (944 miles) NE (36°) from TOKYO, Japan

Location Uncertainty horizontal +/- 9.3 km (5.8 miles); depth +/- 13.8 km (8.6 miles)
Parameters NST=166, Nph=166, Dmin=730.3 km, Rmss=0.7 sec, Gp= 50°,
M-type=teleseismic moment magnitude (Mw), Version=6
Source U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver

Event ID us2009fdak

This event has been reviewed by a seismologist.