PERRYVILLE, Alaska — A 7.8 magnitude earthquake struck off Alaska’s southern coast late Tuesday, triggering a tsunami warning for parts of the state. The warning was later canceled.
The magnitude for the #Alaska #earthquake has been upgraded to 7.8, and the alert area now includes #tsunami advisories for southern Alaska and the Aleutian Is. in addition to the original warning area. See the map at https://t.co/D9Q4HxPoryhttps://t.co/Q4qelgTkWs
— NWS PTWC (@NWS_PTWC) July 22, 2020
According to the U.S. Geological Survey, the massive quake, which occurred about 10:12 p.m. AKDT, was centered about 62 miles south-southeast of Perryville and occurred at a depth of 6.2 miles. Several other earthquakes followed, including one with a magnitude of 5.8, the agency said.
The National Weather Service issued and later canceled a tsunami warning for southern Alaska and the Alaska Peninsula, as well as the Aleutian Islands. The quake was not expected to pose a tsunami threat to Hawaii, California, Oregon or Washington state, according to the NWS.
CANCELLATION: M7.8 075mi S Chignik, Alaska 2213AKDT Jul 21: Check with local officials for all clear
— NWS Tsunami Alerts (@NWS_NTWC) July 22, 2020
#NTWC
No further information was immediately available.
Cox Media Group