To: U.S. West Coast, Alaska, and British Columbia coastal regions
From: NOAA/NWS/West Coast and Alaska Tsunami Warning Center
Subject: Tsunami Advisory Cancellation #9 issued 09/30/2009 at 1:28AM PDT

The Tsunami Advisory is canceled for the coastal areas from the California-Mexico border to the Oregon-Washington border.

A damaging tsunami is not expected along the coasts of the U.S. west coast states, Alaska, and British Columbia. However, some of these areas may experience non-damaging sea level changes. As local conditions can cause a wide variation in tsunami impact, the all clear determinations must be made by local authorities.

A tsunami has been observed at the following sites:

 Location                   Lat.   Lon.    Time        Amplitude
 ------------------------  -----  ------  -------     -----------

 Easter Island  Chile      27.1S  109.3W  0342UTC     0.25M/0.8ft
 Charleston  OR            43.3N  124.3W  0528UTC     0.13M/0.4ft
 Port Orford  OR           42.7N  124.5W  0509UTC     0.17M/0.6ft
 South Beach  OR           44.6N  124.0W  0545UTC     0.09M/0.3ft
 Shemya  AK                52.7N  174.1E  0456UTC     0.10M/0.3ft
 Crescent City  CA         41.7N  124.2W  0613UTC     0.21M/0.7ft
 Arena Cove  CA            38.9N  123.7W  0459UTC     0.33M/1.1ft
 Port San Luis  CA         35.2N  120.8W  0531UTC     0.30M/1.0ft
 San Fransico  CA          37.8N  122.5W  0529UTC     0.08M/0.3ft
 Monterey Harbor  CA       36.6N  121.9W  0525UTC     0.15M/0.5ft
Time - Time of measurement.
Amp. - 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 10:48 AM Pacific Daylight Time on September 29, an earthquake with preliminary magnitude 8.0 occurred in the Samoa Islands region. (Refer to the United States Geological Survey for official earthquake parameters.)

This will be the last West Coast/Alaska Tsunami Warning Center message issued for this event.

To repeat, NO tsunami warning, watch or advisory is in effect for the U.S. West coast states, Alaska, and British Columbia. 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.)

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