Earthquake in Tonga could cause tsunami

A major earthquake in Tonga could cause a tsunami in some areas of the Pacific.

The island where Gipsy Moth IV is stranded is not included among those areas currently believed to be at risk.

The Pacific Tsunami Warning Centre issued the following warning:

PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 1631Z 03 MAY 2006

THIS BULLETIN IS FOR ALL AREAS OF THE PACIFIC BASIN EXCEPT
ALASKA – BRITISH COLUMBIA – WASHINGTON – OREGON – CALIFORNIA.

… A TSUNAMI WARNING IS IN EFFECT …

A TSUNAMI WARNING IS IN EFFECT FOR

TONGA / NIUE / AMERICAN SAMOA / SAMOA / WALLIS-FUTUNA / FIJI

FOR ALL OTHER PACIFIC AREAS, THIS MESSAGE IS AN ADVISORY ONLY.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME – 1527Z 03 MAY 2006
COORDINATES – 19.9 SOUTH 174.2 WEST
LOCATION – TONGA ISLANDS
MAGNITUDE – 7.8

EVALUATION

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 IN THE REGION NEAR THE EPICENTER WITHIN MINUTES
TO HOURS. AUTHORITIES IN THE REGION SHOULD TAKE APPROPRIATE
ACTION IN RESPONSE TO THIS POSSIBILITY. THIS CENTER WILL CONTINUE
TO MONITOR SEA LEVEL GAUGES NEAREST THE REGION AND REPORT IF ANY
TSUNAMI WAVE ACTIVITY IS OBSERVED. THE WARNING WILL NOT EXPAND
TO OTHER AREAS OF THE PACIFIC UNLESS ADDITIONAL DATA ARE RECEIVED
TO WARRANT SUCH AN EXPANSION.

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