September 19, 2021

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The ordeal passed: a powerful earthquake in Alaska did not cause a tsunami

The ordeal passed: a powerful earthquake in Alaska did not cause a tsunami

The 8.2-magnitude earthquake that hit the Alaskan Peninsula Thursday night only caused small waves with a maximum height of 21 centimeters, not the dangerous tsunami that the US Geological Survey (USGS) originally warned about.

This was reported by Agence France-Presse. Immediately after the earthquake, the USGS issued a tsunami warning for southern Alaska and the Alaskan Peninsula for the next three hours, but lowered the warning level after the measured wave height did not pose a significant risk.

The quake struck an area 91 km southeast of the village of Perryville in southern Alaska on Wednesday at 10:15 a.m. local time (Thursday 8.15 a.m. CET). It was a shallow earthquake. Its epicenter was at a depth of 47 kilometers, according to the web portal volcanodiscovery.com.

“It’s the largest earthquake in the Alaska region since 1965,” said seismologist Michael West of the Alaska Local Earthquake Monitoring Center Public Media.

Sirens went off on Kodiak Island off the coast of Alaska, which is home to about 6,000 people. As the rapporteur of the local radio station KMXT stated, There were smaller waves on the island. However, officials there canceled regulations for evacuating residents and no damage was reported.

Alaska is part of the seismically active Circle of Fire. The United States was hit by a 9.2-magnitude earthquake in March 1964. It was the largest earthquake ever recorded in North America. The earthquake destroyed the city of Anchorage and caused tidal waves that hit the Gulf of Alaska, the west coast of the United States and Hawaii. The earthquake and subsequent tsunami claimed 250 lives.

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