Tsunami threat ends after large quakes strike off Russia's Pacific coast
The largest quake was at a depth of 20 kilometers (12 miles) and was 144 kilometers (89 miles) east of the city of Petropavlovsk-Kamchatsky, which has a population of 180,000, according to the U.S. Geological Survey.
Smaller — but still substantial — quakes were recorded before and after. Russian state media said, citing local geologists, that over two dozen aftershocks had hit Kamchatka. It added their strength was gradually receding.
The PTWC initially said there was a danger of major tsunami waves but later downgraded its warning before finally saying the danger had passed.
Russia's Emergencies Ministry also issued a tsunami warning following the largest quake, urging residents of coastal settlements to stay away from the shore.
In addition to the tsunami threat for parts of Russia, the U.S. National Tsunami Warning Center issued a separate tsunami watch was issued for the state of Hawaii, which ended several hours later.
There were no immediate reports of casualties or damage, and the ministry said it had no plans to evacuate residents. Just over two hours later, it reported that the danger had passed.
On Nov. 4, 1952, a magnitude 9.0 quake in Kamchatka caused damage but no reported deaths despite setting off 9.1-meter (30-foot) waves in Hawaii.
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