SEUS71 PAAQ 202143
EQIWOC

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
243 PM PDT THU OCT 20 2011

...THIS IS AN INFORMATION STATEMENT...

EVALUATION
 AN EARTHQUAKE HAS OCCURRED WITH A MAGNITUDE SUCH THAT A TSUNAMI
 WILL NOT BE GENERATED. THIS WILL BE THE ONLY WCATWC MESSAGE
 ISSUED FOR THIS EVENT.

PRELIMINARY EARTHQUAKE PARAMETERS
 MAGNITUDE - 4.1
 TIME      - 1341 AKDT OCT 20 2011
             1441  PDT OCT 20 2011
             2141  UTC OCT 20 2011
 LOCATION  - 37.8 NORTH 122.4 WEST
              75 MILES/121 KM SW OF SACRAMENTO CALIFORNIA
               5 MILES/8 KM NE OF SAN FRANCISCO CALIFORNIA
 DEPTH     - 6 MILES/9 KM

THE LOCATION AND MAGNITUDE ARE BASED ON PRELIMINARY INFORMATION.
FURTHER INFORMATION WILL BE ISSUED BY THE UNITED STATES 
GEOLOGICAL SURVEY - EARTHQUAKE.USGS.GOV - OR THE APPROPRIATE 
REGIONAL SEISMIC NETWORK.

$$