Categorized | Earthquake, News

6.8M quake in Papua New Guinea, no tsunami threat to Hawaii

Magnitude
6.8
Date-Time
Sunday, July 31, 2011 at 23:38:57 UTC
Monday, August 01, 2011 at 09:38:57 AM at epicenter
Sunday, July 31, 2011 at 01:38:57 PM (HST) – Hawaii Standard (Honolulu)
Location
3.569°S, 144.844°E
Depth
16.8 km (10.4 miles)
Region
NEAR NORTH COAST OF NEW GUINEA, P.N.G.
Distances
131 km (81 miles) E (89°) from Wewak, New Guinea, PNG
217 km (135 miles) NNW (330°) from Madang, New Guinea, PNG
260 km (162 miles) NNE (15°) from Mount Hagen, New Guinea, PNG
427 km (265 miles) NW (326°) from Lae, New Guinea, PNG
706 km (438 miles) NNW (338°) from PORT MORESBY, Papua New Guinea

TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 2345Z 31 JUL 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

ORIGIN TIME – 2339Z 31 JUL 2011
COORDINATES – 3.4 SOUTH 144.8 EAST
DEPTH – 10 KM
LOCATION – NEAR N COAST OF NEW GUINEA PNG.
MAGNITUDE – 6.8

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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