Seismologists Report Magnitude 6.2 Aftershock After Powerful 8.2 Earthquake Hits Alaska
Sumaira FH Published July 29, 2021 | 06:10 PM
MOSCOW (UrduPoint News / Sputnik - 29th July, 2021) A magnitude 6.2 aftershock was registered after the magnitude 8.2 earthquake, the strongest in half a century, struck Alaska's coast, the US Geological Survey reported on Thursday.
The aftershock was recorded at 06:23 GMT. Its epicenter was located 137 kilometers (85.12 miles) north-west of Chignik at a depth of 42.2 kilometers. Just a few minutes later, seismologists reported another magnitude 5.6 aftershock 130 kilometers away from Chignik at a depth of 16.5 kilometers.
The powerful quake prompted tsunami warnings, which were lifted hours later, with an advisory remaining in effect.
"At 10:15pm [06:15 GMT] Alaska time on July 28, a magnitude 8.2 earthquake struck offshore of the Alaska Peninsula, the largest U.S. earthquake in 50 years," Alaska Earthquake Center said in a statement.
Alaska was hit by the strongest 9.2 magnitude earthquake ever recorded in North America in 1964. The disaster claimed 259 lives, destroyed the city of Anchorage and caused a tsunami.
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