Magnitude 7.0 - RYUKYU ISLANDS, JAPAN - 地球科學討論

http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/us2010teb2.php

2010 February 26 20:31:27 UTC

Earthquake Details

Magnitude 7.0
Date-Time * Friday, February 26, 2010 at 20:31:27 UTC
* Saturday, February 27, 2010 at 05:31:27 AM at epicenter
* Time of Earthquake in other Time Zones

Location 25.951°N, 128.401°E
Depth 22 km (13.7 miles) set by location program
Region RYUKYU ISLANDS, JAPAN

Distances * 77 km (48 miles) ESE (108°) from Naha, Okinawa, Japan
* 457 km (284 miles) ENE (67°) from Ishigaki-jima,
Ryukyu Islands, Japan
* 1291 km (802 miles) S (174°) from SEOUL, South Korea

Location Uncertainty
horizontal +/- 4 km (2.5 miles);
depth fixed by location program
Parameters
NST=284, Nph=284, Dmin=98.5 km, Rmss=1.04 sec, Gp= 14°,
M-type=teleseismic moment magnitude (Mw), Version=8

Source * USGS NEIC (WDCS-D)

Event ID us2010teb2



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