SEUS71 PAAQ 210318
EQIWOC

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
818 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      - 1916 AKDT OCT 20 2011
             2016  PDT OCT 20 2011
             0316  UTC OCT 21 2011
 LOCATION  - 37.8 NORTH 122.2 WEST
              65 MILES/105 KM SW OF SACRAMENTO CALIFORNIA
              10 MILES/16 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.

$$