Categorized | Earthquake, News

Strong 6.6M earthquake shakes Papua, Indonesia, no tsunami threat to Hawaii

Magnitude
6.6
Date-Time
Saturday, April 21, 2012 at 01:16:54 UTC
Saturday, April 21, 2012 at 10:16:54 AM at epicenter
Friday, April 20, 2012 at 03:16 PM HST (Hawaii Standard Time)
Location
1.609°S, 134.232°E
Depth
29.8 km (18.5 miles)
Region
NEAR THE NORTH COAST OF PAPUA, INDONESIA
Distances
82 km (51 miles) SSE (168°) from Manokwari, Irian Jaya, Indonesia
336 km (209 miles) NW (316°) from Enarotali, Irian Jaya, Indonesia
339 km (211 miles) ESE (105°) from Sorong, Irian Jaya, Indonesia
712 km (442 miles) ENE (71°) from Ambon, Moluccas, Indonesia
997 km (619 miles) S (182°) from KOROR, Palau

TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 0123Z 21 APR 2012

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

ORIGIN TIME – 0117Z 21 APR 2012
COORDINATES – 1.9 SOUTH 134.4 EAST
DEPTH – 33 KM
LOCATION – IRIAN JAYA REGION INDONESIA
MAGNITUDE – 6.9

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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