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Estimated Tsunami Arrival Times

 

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NOAA has produced a map of possible arrival times for the Tsunami believed to be moving across the Pacific as a result of the Honshu earthquake. 

 

Reports out of Japan indicate that up to an 11 meter (33 ft)  tsunami may have struck the coastline.  Damage is reportedly extensive.

 

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Here is the latest advisory from the West Coast and Alaska Tsunami Warning Center.

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To: U.S. West Coast, Alaska, and British Columbia coastal regions


From: NOAA/NWS/West Coast and Alaska Tsunami Warning Center


Subject: Tsunami Watch and Advisory #3 issued 03/10/2011 at 11:33PM PST


UPDATED MAGNITUDE TO 8.8

The Tsunami Advisory continues in effect for the coastal areas of Alaska from Chignik Bay, Alaska to Attu, Alaska.


The Tsunami Watch continues in effect for the coastal areas of California, Oregon, Washington, British Columbia and Alaska from the California-Mexico border to Chignik Bay, Alaska.

A Tsunami Advisory means that a tsunami capable of producing strong currents or waves dangerous to persons in or very near the water is expected. Significant, widespread inundation is not expected for areas under an advisory. Currents may be hazardous to swimmers, boats, and coastal structures and may continue for several hours after the initial wave arrival.

A Tsunami Watch means that all coastal residents in the watch area should prepare for possible evacuation. A tsunami watch is issued to areas which will not be immediately impacted by the tsunami. Watch areas will either be upgraded to warning or advisory status, or canceled.

At 9:46 PM Pacific Standard Time on March 10, an earthquake with preliminary magnitude 8.8 occurred near the east coast of Honshu, Japan . (Refer to the United States Geological Survey for official earthquake parameters.) This earthquake has generated a tsunami which could cause damage to coastal regions in a warning or advisory. The waves are expected to first reach Shemya, Alaska at 12:13 AM AKST on March 11. Estimated tsunami arrival times and maps along with safety rules and other information can be found on the WCATWC web site.

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Earthquake
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