Tsunami advisory canceled after M7.8 earthquake strikes east of Aleutians

Dave Snider, the tsunami warning coordinator with the National Tsunami Warning Center, discusses the latest impacts on the tsunami advisory.
Published: Sep. 18, 2025 at 12:14 PM AKDT|Updated: Sep. 18, 2025 at 1:27 PM AKDT

ANCHORAGE, Alaska (KTUU) - A tsunami advisory issued for the western Aleutians following a magnitude 7.8 earthquake near Russia was canceled at 1:06 p.m. Thursday.

The Tsunami Warning Center confirmed that a small tsunami was generated but is no longer a threat to the Aleutians.

This quake is considered an aftershock of the M8.8 that struck the same area in July.

12:14 pm - Tsunami advisory issued after 7.8 earthquake near Russia

A tsunami advisory is in effect for the western Aleutians from Amchitka Pass to Attu following a magnitude 7.8 earthquake that struck Thursday morning just east of the Kamchatka Peninsula.

If waves are produced, they are estimated to reach Shemya at 12:25 p.m. AKDT.

The earthquake struck at 10:58 a.m. AKDT.

It is the fourth magnitude 7.0 or larger quake to hit this region since July, including a M7.4 and an 8.8 on July 29, M7.4 on Sept. 12, and Thursday’s quake of M7.8.

A tsunami advisory is in effect for the western Aleutians from Amchitka Pass to Attu following...
A tsunami advisory is in effect for the western Aleutians from Amchitka Pass to Attu following a magnitude 7.8 earthquake that struck just east of the Kamchatka Peninsula.(Alaska's News Source)

This is a breaking news story and has been updated with new information.

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