The Pacific Tsunami Warning Center has issued the following:
TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS ISSUED AT 1439Z 07 APR 2011
THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC
OCEAN AND ADJACENT SEAS...EXCEPT ALASKA...BRITISH COLUMBIA...
WASHINGTON...OREGON AND CALIFORNIA.
... TSUNAMI INFORMATION BULLETIN ...
THIS BULLETIN IS FOR INFORMATION ONLY.
THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES. ONLY
NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE
DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND
ANY ACTIONS TO BE TAKEN IN RESPONSE.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
REPORTED BY THE JAPAN METEOROLOGICAL AGENCY.
ORIGIN TIME - 1432Z 07 APR 2011
COORDINATES - 38.2 NORTH 142.0 EAST
DEPTH - 40 KM
LOCATION - NEAR EAST COAST OF HONSHU JAPAN
MAGNITUDE - 7.4
EVALUATION
NO DESTRUCTIVE WIDESPREAD TSUNAMI THREAT EXISTS BASED ON
HISTORICAL EARTHQUAKE AND TSUNAMI DATA.
HOWEVER - EARTHQUAKES OF THIS SIZE SOMETIMES GENERATE LOCAL
TSUNAMIS THAT CAN BE DESTRUCTIVE ALONG COASTS LOCATED WITHIN
A HUNDRED KILOMETERS OF THE EARTHQUAKE EPICENTER.
(Source: "http://ptwc.weather.gov/?region=1&id=pacific.2011.04.07.143955")
EARTHQUAKE INFORMATION
Magnitude 7.4 (Preliminary magnitude — update expected within 15 minutes)
Date-Time Thursday, April 07, 2011 at 14:32:00 UTC
Thursday, April 07, 2011 at 11:32:00 PM at epicenter
Location 38.200°N, 142.000°E
Depth 40 km (24.9 miles) set by location program
Region NEAR THE EAST COAST OF HONSHU, JAPAN
Distances 98 km (61 miles) E (93°) from Sendai, Honshu, Japan
144 km (90 miles) ENE (68°) from Fukushima, Honshu, Japan
159 km (99 miles) NE (37°) from Iwaki, Honshu, Japan
345 km (215 miles) NE (35°) from TOKYO, Japan
(Source: USGS - Earthquake Hazards Program)
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