Tsunami watch

A Tsunami watch means that a distant earthquake has occurred. A tsunami is possible. Stay tuned for more information. Be prepared to take action if necessary.[1]

Example of a tsunami watch

Source:[2]

BULLETIN
TSUNAMI MESSAGE NUMBER   1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
257 AM HST FRI AUG 31 2012
 
TO - CIVIL DEFENSE IN THE STATE OF HAWAII
 
SUBJECT - TSUNAMI WATCH
 
A TSUNAMI WATCH IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT
0257 AM HST.
 
AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS
 
   ORIGIN TIME - 0248 AM HST 31 AUG 2012
   COORDINATES - 10.9 NORTH  127.1 EAST
   LOCATION    - PHILIPPINE ISLANDS REGION
   MAGNITUDE   - 7.9  MOMENT
 
EVALUATION
 
 BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY
 THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN
 FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE
 IF THERE IS A TSUNAMI THREAT TO HAWAII.
 
 IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF
 THE FIRST TSUNAMI WAVE IS
 
                     1228 PM HST FRI 31 AUG 2012
 
MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT.

$$

See also

References
  1. "Tsunami Preparedness" (PDF). National Weather Service. Retrieved January 12, 2022. This article incorporates text from this source, which is in the public domain.
  2. Bulletin: Tsunami Message Number 1: 257 AM HST Fri Aug 31 2012 (Report). Pacific Tsunami Warning Center. August 31, 2012. Archived from the original on December 28, 2018. Retrieved January 12, 2022.
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