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Jul. 16—Update: This story has been updated with a new article: 7.2 earthquake off Alaska Peninsula triggers brief tsunami warning, sending some residents to higher ground Update, 12:55 a.m ...
The warning was later downgraded to an advisory by the National Weather Service. An aftershock hit the area about 20 minutes later at a magnitude of 5.8, the USGS said. 7.5 magnitude earthquake ...
The U.S. National Weather Service sent a tsunami advisory saying the quake occurred at a depth of 13 miles (21 kilometers). The agency cancelled the advisory about an hour after the first alert.
Jul. 18—On Saturday night, Roger and Carol Christianson were settling into their RV parked at the end of the Homer Spit when their cellphones buzzed violently: A tsunami warning. A 7.2 magnitude ...
The National Tsunami Warning Center (NTWC) is one of two tsunami warning centers in the United States, covering all coastal regions of the United States and Canada, except Hawaii, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands. Until 2013, it was known as the West Coast and Alaska Tsunami Warning Center.
NOAA's National Tsunami Warning Center (NTWC) in Palmer, Alaska issues warnings for North America, including Alaska, British Columbia, Oregon, California, the Gulf of Mexico, and the East coast. The PTWC was established in 1949, following the 1946 Aleutian Island earthquake and a tsunami that resulted in 165 casualties on Hawaii and in Alaska ...
an earthquake has occurred with these preliminary parameters origin time - 0504 pm hst october 27, 2012 coordinates - 52.8 north 131.8 west location - queen charlotte islands region magnitude - 7.7 moment evaluation based on all available data the tsunami threat has decreased and is now at the advisory level and not expected to increase.
Sirens rung out in Kodiak, Alaska, on October 19 after a 7.4 earthquake near Sand Point triggered tsunami warnings.Locals in the city’s tsunami zone were advised to move to higher ground ...