Tsunami Bulletin
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WECA43 PHEB 121846
TIBCAX

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1844 UTC THU AUG 12 2021

...TSUNAMI INFORMATION STATEMENT...


**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

 THIS STATEMENT IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE
 UNESCO/IOC TSUNAMI AND OTHER COASTAL HAZARDS WARNING SYSTEM FOR
 THE CARIBBEAN AND ADJACENT REGIONS AND IS MEANT FOR NATIONAL
 AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM.

 NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF
 ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED
 INFORMATION.

**** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------

  * MAGNITUDE      7.6
  * ORIGIN TIME    1833 UTC AUG 12 2021
  * COORDINATES    57.4 SOUTH  24.8 WEST
  * DEPTH          78 KM / 48 MILES
  * LOCATION       SOUTH SANDWICH ISLANDS REGION


EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.6 OCCURRED IN
    THE SOUTH SANDWICH ISLANDS REGION AT 1833 UTC ON THURSDAY
    AUGUST 12 2021.

  * THE TSUNAMI THREAT TO THE CARIBBEAN REGION FROM THIS
    EARTHQUAKE IS STILL UNDER INVESTIGATION.  FURTHER
    INFORMATION ON THE THREAT WILL BE ISSUED AS SOON AS
    POSSIBLE.


RECOMMENDED ACTIONS
-------------------

  * CONSIDER AND PREPARE FOR THE POSSIBILITY OF A TSUNAMI THREAT
    TO THE CARIBBEAN REGION FROM THIS EARTHQUAKE.
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