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U.S. West Coast, Alaska, and British Columbia coastal regions
NOAA/NWS/West Coast and Alaska
Tsunami Warning Center
Tsunami Information Statement #1
issued 03/20/2012 at 11:16AM PDT
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 11:03 AM Pacific Daylight Time on March 20, an
preliminary magnitude 7.8
occurred in Guerrero, Mexico
(Refer to the United States Geological Survey for official earthquake parameters.)
Pacific coastal regions outside California, Oregon, Washington,
British Columbia, and Alaska should refer to the
Pacific Tsunami Warning Center
messages for information on the event.
This will be the only statement issued for this event by the
West Coast/Alaska Tsunami Warning Center unless conditions
warrant. See the WCATWC
web site for basic tsunami information,
and a tsunami travel time map
(NOTE: Travel time maps and tables indicate forecasted times only, not
that a wave was generated.)