Major Earthquake Strikes Oaxaca (Southern Mexico) March 20, 2012 – Mag 7.6

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Magnitude 7.6 – OAXACA, MEXICO

2012 March 20 18:02:48 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude 7.6
Date-Time
  • Tuesday, March 20, 2012 at 18:02:48 UTC
  • Tuesday, March 20, 2012 at 12:02:48 PM at epicenter
Location 16.662°N, 98.188°W
Depth 17.5 km (10.9 miles)
Region OAXACA, MEXICO
Distances
  • 25 km (15 miles) E (95°) from Ometepec, Guerrero, Mexico
  • 42 km (26 miles) NNW (335°) from Pinotepa Nacional, Oaxaca, Mexico
  • 87 km (54 miles) SW (219°) from Tlaxiaco, Oaxaca, Mexico
  • 162 km (101 miles) WSW (255°) from Oaxaca, Oaxaca, Mexico
  • 186 km (115 miles) E (96°) from Acapulco, Guerrero, Mexico
Location Uncertainty horizontal +/- 15.8 km (9.8 miles); depth +/- 6.5 km (4.0 miles)
Parameters NST=438, Nph=440, Dmin=312.8 km, Rmss=0.88 sec, Gp= 79°,
M-type=regional moment magnitude (Mw), Version=9
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event ID usc0008m6h
 
 
To: U.S. West Coast, Alaska, and British Columbia coastal regions
From: NOAA/NWS/West Coast and Alaska Tsunami Warning Center
Subject: Tsunami Information Statement#1 issued 03/20/2012 at 11:16AM PDTA strong earthquake has occurred, but a tsunami IS NOT expected along the California, Oregon, Washington, British Columbia, or Alaska coast. NOtsunami warning, watch or advisory is in effect for these areas.Based on the earthquake magnitude, location and historic tsunami records, a damaging tsunami IS NOTexpected along the California, Oregon, Washington, British Columbia, and Alaska coasts.At 11:03 AM Pacific Daylight Time on March 20, an earthquake with preliminary magnitude 7.8 occurred in Guerrero, Mexico . (Refer to the United States Geological Surveyfor official earthquake parameters.)Pacific coastal regions outside California, Oregon, Washington, British Columbia, and Alaska should refer to the Pacific Tsunami Warning Centermessages for information on the event.This will be the only statement issued for this event by the West Coast/Alaska Tsunami Warning Center unless conditions warrant. See the WCATWC web site for basic tsunami information, safety rules, and a tsunami travel time map and table. (NOTE:Travel time maps and tables indicate forecasted times only, not that a wave was generated.)http://wcatwc.arh.noaa.gov/2012/03/20/m173gn/01/messagem173gn-01.htm

000
WEHW42 PHEB 201822
TIBHWX
HIZ001>003-005>009-012>014-016>021-023>026-202022-

TSUNAMI INFORMATION STATEMENT NUMBER   1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
822 AM HST TUE MAR 20 2012

TO - CIVIL DEFENSE IN THE STATE OF HAWAII

SUBJECT - TSUNAMI INFORMATION STATEMENT

THIS STATEMENT IS FOR INFORMATION ONLY. NO ACTION REQUIRED.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 0803 AM HST 20 MAR 2012
   COORDINATES - 17.0 NORTH   98.1 WEST
   LOCATION    - GUERRERO  MEXICO
   MAGNITUDE   - 7.8  MOMENT

EVALUATION

 BASED ON ALL AVAILABLE DATA A DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS
 NOT EXPECTED AND THERE IS NO TSUNAMI THREAT TO HAWAII. REPEAT. A
 DESTRUCTIVE PACIFIC-WIDE TSUNAMI IS NOT EXPECTED AND THERE IS NO
 TSUNAMI THREAT TO HAWAII.

THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED.
http://ptwc.weather.gov/ptwc/text.php?id=hawaii.TIBHWX.2012.03.20.1822

000
WEPA42 PHEB 201813
TIBPAC

TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 1813Z 20 MAR 2012

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

... TSUNAMI INFORMATION BULLETIN ...

THIS BULLETIN IS FOR INFORMATION ONLY.

THIS BULLETIN IS ISSUED AS ADVICE TO GOVERNMENT AGENCIES.  ONLY
NATIONAL AND LOCAL GOVERNMENT AGENCIES HAVE THE AUTHORITY TO MAKE
DECISIONS REGARDING THE OFFICIAL STATE OF ALERT IN THEIR AREA AND
ANY ACTIONS TO BE TAKEN IN RESPONSE.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

ORIGIN TIME -  1803Z 20 MAR 2012
COORDINATES -  17.0 NORTH   98.1 WEST
DEPTH       -   10 KM
LOCATION    -  GUERRERO  MEXICO
MAGNITUDE   -  7.8

EVALUATION

A DESTRUCTIVE WIDESPREAD TSUNAMI WAS NOT GENERATED BASED ON
EARTHQUAKE AND HISTORICAL TSUNAMI DATA. HOWEVER, THERE IS THE
POSSIBILITY OF SOME LOCAL TSUNAMI EFFECTS.  THIS EARTHQUAKE IS
LOCATED INLAND FROM THE COAST.

THIS WILL BE THE ONLY 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.
http://ptwc.weather.gov/ptwc/text.php?id=pacific.TIBPAC.2012.03.20.1813
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One Response to “Major Earthquake Strikes Oaxaca (Southern Mexico) March 20, 2012 – Mag 7.6”

  1. llama a cuba…

    […]Major Earthquake Strikes Oaxaca (Southern Mexico) March 20, 2012 – Mag 7.6 « HighBoldtage[…]…

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