Categorized | Earthquake, News

No tsunami threat to Hawaii from 7.1M Japan earthquake Thursday (April 7)

Magnitude
7.1
Date-Time
Thursday, April 07, 2011 at 14:32:41 UTC
Thursday, April 07, 2011 at 11:32:41 PM at epicenter
Thursday, April 07, 2011 at 04:32:41 HST
Time of Earthquake in other Time Zones
Location
38.253°N, 141.640°E
Depth
49 km (30.4 miles)
Region
NEAR THE EAST COAST OF HONSHU, JAPAN
Distances
66 km (41 miles) E of Sendai, Honshu, Japan
114 km (70 miles) E of Yamagata, Honshu, Japan
116 km (72 miles) ENE of Fukushima, Honshu, Japan
330 km (205 miles) NNE of TOKYO, Japan

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. AUTHORITIES IN THE REGION OF THE EPICENTER SHOULD BE AWARE OF THIS POSSIBILITY AND TAKE APPROPRIATE ACTION.

THIS WILL BE THE ONLY BULLETIN ISSUED FOR THIS EVENT UNLESS ADDITIONAL INFORMATION BECOMES AVAILABLE.

THE JAPAN METEOROLOGICAL AGENCY MAY ALSO ISSUE TSUNAMI MESSAGES FOR THIS EVENT TO COUNTRIES IN THE NORTHWEST PACIFIC AND SOUTH CHINA SEA REGION. IN CASE OF CONFLICTING INFORMATION… THE MORE CONSERVATIVE INFORMATION SHOULD BE USED FOR SAFETY. THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE PRODUCTS FOR ALASKA…BRITISH COLUMBIA…WASHINGTON…OREGON…CALIFORNIA.

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