Magnitude
6.7
Date-Time
Sunday, December 11, 2011 at 01:47:26 UTC
Saturday, December 10, 2011 at 07:47:26 PM at epicenter
Saturday, December 10, 2011 at 03:47:26 PM HST
Location
18.038°N, 99.796°W
Depth
64.9 km (40.3 miles)
Region
GUERRERO, MEXICO
Distances
35 km (22 miles) S (171°) from Teloloapan, Guerrero, Mexico
43 km (27 miles) NNW (339°) from Chichihualco, Guerrero, Mexico
45 km (28 miles) SW (219°) from Iguala, Guerrero, Mexico
133 km (82 miles) N (6°) from Acapulco, Guerrero, Mexico

TSUNAMI BULLETIN NUMBER 001
PACIFIC TSUNAMI WARNING CENTER/NOAA/NWS
ISSUED AT 0153Z 11 DEC 2011

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 – 0147Z 11 DEC 2011
COORDINATES – 18.0 NORTH 99.8 WEST
DEPTH – 58 KM
LOCATION – GUERRERO MEXICO
MAGNITUDE – 6.8

EVALUATION

A DESTRUCTIVE TSUNAMI WAS NOT GENERATED BASED ON EARTHQUAKE AND HISTORICAL TSUNAMI DATA.

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.

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 12/10/2011 at 5:56PM PST

A strong earthquake has occurred, but a tsunami IS NOT expected along the California, Oregon, Washington, British Columbia, or Alaska coast. NO tsunami warning, watch or advisory is in effect for these areas.

Based on the earthquake magnitude, location and historic tsunami records, a damaging tsunami IS NOT expected along the California, Oregon, Washington, British Columbia, and Alaska coasts.

At 5:47 PM Pacific Standard Time on December 10, an earthquake with preliminary magnitude 6.8 occurred in Guerrero, Mexico.