7.3 earthquake 111km S of Puerto El Triunfo, El Salvador

7.3 111km S of Puerto El Triunfo, El Salvador and the swarm continues in California
TSUNAMI WARNING CANCELLATION

7.3 earthquake 111km S of Puerto El Triunfo, El Salvador

Tectonic Summary

The August 27, 2012 M 7.3 interface between the Cocos and Caribbean plates. At the epicenter of this earthquake, the Cocos plate moves north-northeast with respect to the Caribbean plate at a velocity of approximately 73 mm/yr, and subducts beneath Central America at the Middle America Trench.

TSUNAMI BULLETIN NUMBER 006
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 0702Z 27 AUG 2012

THIS BULLETIN APPLIES TO AREAS WITHIN AND BORDERING THE PACIFIC
OCEAN AND ADJACENT SEAS...EXCEPT ALASKA...BRITISH COLUMBIA...
WASHINGTON...OREGON AND CALIFORNIA.

ADDITIONAL TSUNAMI MEASUREMENTS ARE REPORTED.

... TSUNAMI WARNING CANCELLATION SUPPLEMENT ...

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME - 0437Z 27 AUG 2012
COORDINATES - 12.7 NORTH 88.5 WEST
DEPTH - 54 KM
LOCATION - OFF COAST OF CENTRAL AMERICA
MAGNITUDE - 7.3

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

GAUGE LOCATION LAT LON TIME AMPL PER
------------------- ----- ------ ----- --------------- -----
LA UNION SV 13.3N 87.8W 0627Z 0.02M / 0.1FT 08MIN
DART 43413 10.8N 100.1W 0619Z 0.01M / 0.0FT 10MIN
ACAJUTLA SV 13.6N 89.8W 0540Z 0.10M / 0.3FT 08MIN

LAT - LATITUDE (N-NORTH, S-SOUTH)
LON - LONGITUDE (E-EAST, W-WEST)
TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME)
AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL.
IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).
PER - PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT.

NOTE - DART MEASUREMENTS ARE FROM THE DEEP OCEAN AND THEY
ARE GENERALLY MUCH SMALLER THAN WOULD BE COASTAL
MEASUREMENTS AT SIMILAR LOCATIONS.

THIS WILL BE THE FINAL BULLETIN ISSUED FOR THIS EVENT UNLESS
ADDITIONAL INFORMATION BECOMES AVAILABLE.

THE WEST COAST/ALASKA TSUNAMI WARNING CENTER WILL ISSUE PRODUCTS
FOR ALASKA...BRITISH COLUMBIA...WASHINGTON...OREGON...CALIFORNIA.