WCATWC Information Statement - TW

SEAK71 PAAQ 302242
EQIAKX

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
242 PM AKDT THU JUL 30 2009

...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 - 4.6
TIME - 1439 AKDT JUL 30 2009
1539 PDT JUL 30 2009
2239 UTC JUL 30 2009
LOCATION - 59.9 NORTH 151.1 WEST
25 MILES/40 KM NE OF HOMER ALASKA
100 MILES/161 KM SW OF ANCHORAGE ALASKA
DEPTH - 9 MILES/14 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.

$$

WCATWC Information Statement - TW

SEAK71 PAAQ 301236
EQIAKX

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
436 AM AKDT THU JUL 30 2009

...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 - 5.0
TIME - 0428 AKDT JUL 30 2009
0528 PDT JUL 30 2009
1228 UTC JUL 30 2009
LOCATION - 52.0 NORTH 177.8 EAST
60 MILES/97 KM NW OF AMCHITKA ALASKA
235 MILES/378 KM W OF ADAK ALASKA
DEPTH - 105 MILES/169 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.

$$

WCATWC Information Statement - TW

SEAK71 PAAQ 300654
EQIAKX

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1054 PM AKDT WED JUL 29 2009

...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 - 2251 AKDT JUL 29 2009
2351 PDT JUL 29 2009
0651 UTC JUL 30 2009
LOCATION - 61.8 NORTH 150.0 WEST
35 MILES/56 KM NW OF PALMER ALASKA
40 MILES/64 KM N OF ANCHORAGE ALASKA
DEPTH - 14 MILES/23 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.

$$

WCATWC Information Statement - TW

SEAK71 PAAQ 250748
EQIAKX

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
1148 PM AKDT FRI JUL 24 2009

...THIS IS AN INFORMATION STATEMENT...

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

PRELIMINARY EARTHQUAKE PARAMETERS
MAGNITUDE - 4.0
TIME - 2346 AKDT JUL 24 2009
0046 PDT JUL 25 2009
0746 UTC JUL 25 2009
LOCATION - 61.4 NORTH 147.5 WEST
45 MILES/72 KM NW OF VALDEZ ALASKA
80 MILES/129 KM E OF ANCHORAGE ALASKA
DEPTH - 2 MILES/3 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.

$$

WCATWC Information Statement - TW

SEAK71 PAAQ 250146
EQIAKX

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
546 PM AKDT FRI JUL 24 2009

...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 - 5.4
TIME - 1744 AKDT JUL 24 2009
1844 PDT JUL 24 2009
0144 UTC JUL 25 2009
LOCATION - 59.4 NORTH 143.7 WEST
65 MILES/105 KM SW OF CAPE YAKATAGA ALASKA
245 MILES/394 KM SE OF ANCHORAGE ALASKA
DEPTH - 3 MILES/5 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.

$$

WCATWC Information Statement - TW

WEAK53 PAAQ 151046
TIBAK1

PUBLIC TSUNAMI INFORMATION STATEMENT NUMBER 2
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
346 AM PDT WED JUL 15 2009

...A STRONG EARTHQUAKE HAS OCCURRED BUT A TSUNAMI IS NOT
EXPECTED ALONG THE CALIFORNIA/ OREGON/ WASHINGTON/
BRITISH COLUMBIA OR ALASKA COASTS...

NO WARNING... NO WATCH AND NO ADVISORY IS IN EFFECT FOR
THESE AREAS.

SEA LEVEL OBSERVATIONS INDICATE A TSUNAMI WAS GENERATED WHICH MAY
HAVE BEEN DESTRUCTIVE ALONG COASTS NEAR THE EARTHQUAKE EPICENTER.
A DAMAGING TSUNAMI IS NOT EXPECTED ALONG THE CALIFORNIA/ OREGON/
WASHINGTON/ BRITISH COLUMBIA AND ALASKA COASTS ALTHOUGH
SOME OF THESE AREAS MAY EXPERIENCE NON-DAMAGING SEA LEVEL CHANGES.

A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES

LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
JACKSON BAY, NZ 43.97S 168.62E 10:18 UTC 0.17M /0.5FT

TIME - TIME OF MEASUREMENT
AMPL - TSUNAMI AMPLITUDES ARE MEASURED RELATIVE TO NORMAL SEA LEVEL.
IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).

AT 223 AM PACIFIC DAYLIGHT TIME ON JULY 15 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 7.8 OCCURRED
OFF THE WEST COAST OF SOUTH ISLAND NEW ZEALAND.

THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL ISSUE
MESSAGES FOR HAWAII AND OTHER AREAS OF THE PACIFIC OUTSIDE
CALIFORNIA/ OREGON/ WASHINGTON/ BRITISH COLUMBIA AND ALASKA.

THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT BY THE
WEST COAST/ALASKA TSUNAMI WARNING CENTER UNLESS ADDITIONAL
INFORMATION BECOMES AVAILABLE. SEE THE WEB SITE WCATWC.ARH.NOAA.GOV
FOR BASIC TSUNAMI INFORMATION - SAFETY RULES AND TSUNAMI TRAVEL
TIMES.

$$

WCATWC Information Statement - TW

WEAK53 PAAQ 150944
TIBAK1

PUBLIC TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
244 AM PDT WED JUL 15 2009

...A STRONG EARTHQUAKE HAS OCCURRED BUT A TSUNAMI IS NOT
EXPECTED ALONG THE CALIFORNIA/ OREGON/ WASHINGTON/
BRITISH COLUMBIA OR ALASKA COASTS...

NO WARNING... NO WATCH AND NO 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 COASTAL LOCATIONS WHICH HAVE EXPERIENCED
STRONG GROUND SHAKING LOCAL TSUNAMIS ARE POSSIBLE DUE
TO UNDERWATER LANDSLIDES.

AT 223 AM PACIFIC DAYLIGHT TIME ON JULY 15 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 7.8 OCCURRED
OFF THE WEST COAST OF SOUTH ISLAND NEW ZEALAND.

THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL ISSUE
A TSUNAMI WARNING FOR REGIONS NEAR THE EPICENTER.

THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT BY THE
WEST COAST/ALASKA TSUNAMI WARNING CENTER UNLESS ADDITIONAL
INFORMATION BECOMES AVAILABLE. SEE THE WEB SITE WCATWC.ARH.NOAA.GOV
FOR BASIC TSUNAMI INFORMATION - SAFETY RULES AND TSUNAMI TRAVEL
TIMES.

$$

WCATWC Information Statement - TW

SEUS71 PAAQ 111436
EQIWOC

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
736 AM PDT SAT JUL 11 2009

...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 - 4.0
TIME - 0635 AKDT JUL 11 2009
0735 PDT JUL 11 2009
1435 UTC JUL 11 2009
LOCATION - 32.6 NORTH 117.6 WEST
30 MILES/48 KM SW OF SAN DIEGO CALIFORNIA
105 MILES/169 KM SE OF LOS ANGELES CALIFORNIA
DEPTH - 5 MILES/8 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.

$$

WCATWC Information Statement - TW

SEAK71 PAAQ 061500
EQIAKX

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
700 AM AKDT MON JUL 6 2009

...THIS IS AN INFORMATION STATEMENT...

EVALUATION
AN EARTHQUAKE HAS OCCURRED WITH A MAGNITUDE SUCH THAT A TSUNAMI
IS NOT EXPECTED. IN COASTAL AREAS OF INTENSE SHAKING LOCALLY
GENERATED TSUNAMIS CAN BE TRIGGERED BY UNDERWATER LANDSLIDES.
THIS WILL BE THE ONLY WCATWC MESSAGE ISSUED FOR THIS EVENT.

PRELIMINARY EARTHQUAKE PARAMETERS
MAGNITUDE - 6.0
TIME - 0653 AKDT JUL 06 2009
0753 PDT JUL 06 2009
1453 UTC JUL 06 2009
LOCATION - 50.4 NORTH 177.1 EAST
115 MILES/185 KM SW OF AMCHITKA ALASKA
290 MILES/467 KM SW OF ADAK ALASKA
DEPTH - 21 MILES/33 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.

$$

WCATWC Information Statement - TW

SEUS71 PAAQ 030310
EQIWOC

TSUNAMI SEISMIC INFORMATION STATEMENT
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
810 PM PDT THU JUL 2 2009

...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 - 4.3
TIME - 1907 AKDT JUL 02 2009
2007 PDT JUL 02 2009
0307 UTC JUL 03 2009
LOCATION - 53.8 NORTH 131.6 WEST
40 MILES/64 KM NE OF SANDSPIT BRITISH COLUMBIA
330 MILES/531 KM SE OF JUNEAU ALASKA
DEPTH - 6 MILES/10 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.

$$