This information statement for Near the coast of Chiapas Mexico is no longer in force, and was issued by Pacific Tsunami Warning Center. It is kept here as a record of what was issued and when.

What this bulletin says

This bulletin was published without a summary. The status above and the official text are everything the centre sent.

Preliminary magnitude 7.4(Mwp). Magnitudes are revised as more data arrives.

Bulletin details

Category: Information
Bulletin Issue Time: 2026.07.17 14:57:31 UTC
Preliminary Magnitude: 7.4(Mwp)
Lat/Lon: 14.445 / -93.047
Affected Region: NEAR THE COAST OF CHIAPAS MEXICO

Official bulletin

ZCZC
WEGM42 PHEB 171457
TIBGUM

GUZ001-MPZ001>003-171657-

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
1257 AM CHST SAT JUL 18 2026

...NO TSUNAMI THREAT TO GUAM/CNMI FROM A DISTANT EARTHQUAKE...


AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC


EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.4 OCCURRED
    NEAR THE COAST OF CHIAPAS, MEXICO AT 1249 AM CHST ON
    SATURDAY JULY 18 2026.

  * BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO
    GUAM... ROTA... TINIAN OR SAIPAN FROM THIS EARTHQUAKE.


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

  * NO ACTION IS REQUIRED.


POTENTIAL IMPACTS
-----------------

  * NO TSUNAMI IMPACTS ARE EXPECTED.


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

  * MAGNITUDE      7.4
  * ORIGIN TIME    1249 AM CHST JUL 18 2026
  * COORDINATES    14.4 NORTH  93.0 WEST
  * DEPTH          6 MILES
  * LOCATION       NEAR THE COAST OF CHIAPAS  MEXICO


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

  * THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS
    ADDITIONAL DATA ARE RECEIVED OR THE SITUATION CHANGES.

  * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE
    INTERNET AT WWW.TSUNAMI.GOV.

  * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
    GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
    EARTHQUAKE.USGS.GOV.

$$



NNNN

View on tsunami.gov

Issued

17 July 2026 at 14:57 UTC

Effective

17 July 2026 at 14:57 UTC

Issued by

Pacific Tsunami Warning Center

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