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Kodiak alaska quake11/4/2023 More than 250 people were killed by the quake and the tsunami.Ī 7.5 magnitude earthquake also caused tsunami waves in Alaska's southern coast in October, but no casualties were reported. It devastated Anchorage and unleashed a tsunami that slammed the Gulf of Alaska, the US west coast, and Hawaii. The state was hit by a 9.2-magnitude earthquake in March 1964, the strongest ever recorded in North America. "This is the largest earthquake to happen in the Alaska region since 1965," Michael West, state seismologist with the Alaska Earthquake Center, told Alaska Public Media.Īlaska is part of the seismically active Pacific Ring of Fire. The United States Geological Survey wrote in a social media post that the earthquake occurred 106 km south of Sand Point, Alaska, at 10:48 p.m. The earthquake rupture started approximately 25 km beneath the surface, with its epicenter about 6 miles (10 km) east of the mouth of College Fiord, 56 miles (90 km) west of Valdez and 75 miles (120. She said authorities had lifted evacuation orders, with no reports of any damage. Reports from the public: 0 people 04:51:59 UTC 2.0 magnitude, 146 km depth Alaska Peninsula 2.0 magnitude earthquake. On Maat 5:36pm local time (March 28 at 3:36 UTC) an earthquake of magnitude 9.2 occurred in the Prince William Sound region of Alaska. Small waves hit the coast of Kodiak, according to a broadcaster on local radio station KMXT. USGS revised the magnitude of the earthquake down from an initial reading of 7.4, and it revised the depth of the quake to 32.6 km (20.3 miles) from an initial 9.3 km. The quake prompted the National Weather Service in Anchorage to issue a brief tsunami warning, saying there was a risk of 'significant inundation,' an alert that was downgraded to an advisory before being canceled altogether early Sunday. Locals living close to sea level were told to evacuate to higher ground. In Kodiak, Alaska, sirens sounded late at night, according to a video posted on social media. Tsunami warning sirens had been broadcast across Kodiak, an island with a population of about 6,000 people, along Alaska's coastline. It released at least twice as much energy as the San Francisco earthquake of 1906 and was felt on land over an area of almost 502,000 square miles (1,300,000 square km). The maximum wave height detected by the center was eight inches (21 centimeters) above tide level with small tsunamis hitting at least six points off Alaska's coastline. Alaska earthquake of 1964, earthquake that occurred in south-central Alaska on March 27, 1964, with a moment magnitude of 9.2. The US government's National Tsunami Warning Center immediately issued an alert for south Alaska and the Alaskan peninsula but canceled all warnings about three hours later. Pair of photos of downtown Kodiak, Alaska. Free for commercial use, no attribution required. Perryville is a small village about 500 miles from Anchorage, Alaska's biggest city. Download Image of 1964 Alaska Quake Kodiak Before and After. The quake struck at 10:15 pm Wednesday (0615 GMT Thursday). In Kodiak, Alaska, sirens warned of a possible tsunami and sent people driving to shelters late at night, according to video posted to social media. (the traditional Vol1 file, used for specialized research studies).The earthquake hit 56 miles (91 kilometers) southeast of the town of Perryville, the USGS said. The earthquake was felt widely throughout the Aleutian Islands, the Alaskan Peninsula and Cook Inlet regions, according to the Alaska Earthquake Center. ('The corresponding raw, unprocessed acceleration data, with no noise filtering, no baseline or sensor offset corrections, etc. The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 PM AKST on Good Friday, March 27. Please choose one of the following:Īcceleration, velocity, displacement and spectra files, as processed and reviewed by CGS/CSMIP or USGS/NSMP (the traditional Vol2 and Vol3 files, used for most applications). (' Thank you for requesting to download a strong-motion data file from the National Center for Engineering Strong Motion Data.
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