6.4 Ryukyu Is., Japan

[cbassn]

http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/us2010skal.php


 

                 Magnitude 6.4 - SOUTHWESTERN RYUKYU ISLANDS, JAPAN


2010 February 07 06:10:00 UTC

Earthquake Details
Magnitude 6.4
Date-Time Sunday, February 07, 2010 at 06:10:00 UTC
Sunday, February 07, 2010 at 03:10:00 PM at epicenter
Time of Earthquake in other Time Zones
 
Location 23.472°N, 123.713°E
Depth 16.5 km (10.3 miles) (poorly constrained)
Region SOUTHWESTERN RYUKYU ISLANDS, JAPAN

Distances 115 km (70 miles) SSW of Ishigaki-jima, Ryukyu Islands, Japan
225 km (140 miles) ESE of Hua-lien, Taiwan
225 km (140 miles) ESE of Su-ao, Taiwan
2055 km (1280 miles) SW of TOKYO, Japan
 
Location Uncertainty horizontal +/- 5.7 km (3.5 miles); depth +/- 21.9 km (13.6 miles)
Parameters NST= 95, Nph= 95, Dmin=130.9 km, Rmss=1.1 sec, Gp= 36°,
M-type=teleseismic moment magnitude (Mw), Version=7
Source USGS NEIC (WDCS-D)

 
Event ID us2010skal

This event has been reviewed by a seismologist.

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Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver

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Page Last Modified: February 07, 2010 09:30:49 UTC

[cbassn]

 
                              Strong earthquake hits off southern Japan coast

2 hrs 24 mins ago
 
TOKYO – A strong earthquake shook several small islands off Japan's southern coast on Sunday, rattling buildings over 100 miles (160 kilometers) away in Taiwan and causing officials to temporarily issue a tsunami warning.

There were no immediate reports of damage or casualties.

Japan's Meteorological Agency said the earthquake hit at 3:10 p.m. (0610 GMT; 2:10 a.m. EDT) and registered magnitude 6.6. The U.S. Geological Survey measured it at 6.4.

Japanese officials immediately issued a warning for a tsunami about 1.6 feet (50 centimeters) high, but removed the warning about an hour later.

The quake was also felt in Taiwan, about 155 miles (250 kilometers) to the east, where residents in Taipei could feel buildings shake.

The quake hit 69 miles (110 kilometers) off the southern coast of Miyakojima island, in southern Japan, at a depth of six miles (10 kilometers), the Meteorological Agency said.

The small island is about 1,120 miles (1,800 kilometers) southwest of Tokyo.

Japan is one of the world's most earthquake-prone countries. In 1995, a magnitude-7.2 quake in the western port city of Kobe killed 6,400 people.


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