The Pacific Tsunami Warning Center has issued a tsunami advisory for the State of Hawaii. An earthquake with a magnitude of 8.8 (upgraded from 8.5 by USGS) has occurred near Chile. It is unknown at this time if a tsunami has been generated.
The quake occurred offshore Maule, Chile at a depth of 36.9 miles, according to preliminary information. A far more serious tsunami warning is in effect for Chile and Peru. A tsunami watch is in effect for Ecuador.
The map above shows the location of the earthquake offshore Chile (number one) , relative to Hawaii (labelled with the number 4, denoting the earthquake earlier this week off Kalapana) courtesy NOAA Pacific Tsunami Warning Center.
UPDATE: The advisory information for Hawaii has just been published, courtesy the Pacific Tsunami Warning Center:
A TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE STATE OF HAWAII.
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
ORIGIN TIME – 0834 PM HST 26 FEB 2010
COORDINATES – 36.1 SOUTH 72.6 WEST
LOCATION – NEAR COAST OF CENTRAL CHILE
MAGNITUDE – 8.5 MOMENTEVALUATION
THE PACIFIC TSUNAMI WARNING CENTER HAS ISSUED AN EXPANDING
REGIONAL TSUNAMI WARNING AND WATCH FOR PARTS OF THE PACIFIC
LOCATED CLOSER TO THE EARTHQUAKE. AN EVALUATION OF THE PACIFIC
WIDE TSUNAMI THREAT IS UNDERWAY AND THERE IS A POSSIBILITY THAT
HAWAII COULD BE ELEVATED TO A WATCH OR WARNING STATUS.IF TSUNAMI WAVES IMPACT HAWAII THEIR ESTIMATED EARLIEST ARRIVAL
TIME IS1119 AM HST SAT 27 FEB 2010
MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.
According to the first tsunami bulletin issued by the Pacific Tsunami Warning Center:
THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC
OCEAN AND ADJACENT SEAS…EXCEPT ALASKA…BRITISH COLUMBIA…
WASHINGTON…OREGON AND CALIFORNIA.… A TSUNAMI WARNING AND WATCH ARE IN EFFECT …
A TSUNAMI WARNING IS IN EFFECT FOR
CHILE / PERU
A TSUNAMI WATCH IS IN EFFECT FOR
ECUADOR
FOR ALL OTHER AREAS COVERED BY THIS BULLETIN… IT IS FOR
INFORMATION ONLY AT THIS TIME.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 – 0634Z 27 FEB 2010
COORDINATES – 36.1 SOUTH 72.6 WEST
DEPTH – 55 KM
LOCATION – NEAR COAST OF CENTRAL CHILE
MAGNITUDE – 8.5EVALUATION
IT IS NOT KNOWN THAT A TSUNAMI WAS GENERATED. THIS WARNING IS
BASED ONLY ON THE EARTHQUAKE EVALUATION. AN EARTHQUAKE OF THIS
SIZE HAS THE POTENTIAL TO GENERATE A DESTRUCTIVE TSUNAMI THAT CAN
STRIKE COASTLINES NEAR THE EPICENTER WITHIN MINUTES AND MORE
DISTANT COASTLINES WITHIN HOURS. AUTHORITIES SHOULD TAKE
APPROPRIATE ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER
WILL MONITOR SEA LEVEL DATA FROM GAUGES NEAR THE EARTHQUAKE TO
DETERMINE IF A TSUNAMI WAS GENERATED AND ESTIMATE THE SEVERITY OF
THE THREAT.ESTIMATED INITIAL TSUNAMI WAVE ARRIVAL TIMES AT FORECAST POINTS
WITHIN THE WARNING AND WATCH AREAS ARE GIVEN BELOW. ACTUAL
ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE
LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN
SUCCESSIVE WAVES CAN BE FIVE MINUTES TO ONE HOUR.
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STORY SUMMARY
The Pacific Tsunami Warning Center has issued a tsunami advisory for the State of Hawaii. An earthquake with a magnitude of 8.8 (upgraded from 8.5 by USGS) has occurred near Chile. It is unknown at this time if a tsunami has been generated. The quake occurred offshore Maule, Chile at a depth of 36.9 miles, according […]