Tsunami information raised after magnitude-8.2 quake in Alaska

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) on Thursday raised the alarm over a possible tsunami after a magnitude 8.2 earthquake struck Chignik, Alaska.

“An earthquake of this size has the potential to generate a destructive tsunami that can strike coastlines in the region near the epicenter within minutes to hours,” PHIVOLCS said.

At present, PHIVOLCS said that no evacuation is in order.

#TsunamiPH

ADVISORY: SEA-LEVEL CHANGE MONITORING

Tsunami Information No.1
Date and Time: 29 Jul 2021 - 02:15 PM
Magnitude = 8.1
Depth = 018 kilometers
Location = 55.5°N,157.9°W - 60 Miles Se Of Chignik, Alaskahttps://t.co/AC4ALoM14d pic.twitter.com/cgdQfQ9czm

— PHIVOLCS-DOST (@phivolcs_dost) July 29, 2021

The agency, however, advised the following provinces to monitor for updates:

• Batanes Group of Islands
• Albay
• Surigao del Sur
• Cagayan
• Catanduanes
• Davao Oriental
• Ilocos Norte
• Sorsogon
• Davao De Oro
• Isabela
• ?Eastern Samar
• Davao del Norte
• Quezon
• Northern Samar
• Davao del Sur
• Aurora
• Leyte
• Davao Occidental
• Camarines Norte
• Southern Leyte
• Camarines Sur
• Surigao del Norte

The U.S. Geological Survey (USGS) measured the quake at magnitude 7.2, with a depth of 35 km.

The U.S. Tsunami Warning System, meanwhile, said the quake had a magnitude of 8.1, and the European-Mediterranean Seismological Centre (EMSC) estimated the quake at a magnitude of 8.0 and a depth of 10 km. -MDM, GMA News