M1.9 earthquake 67 km SSE of Adak, Alaska

A magnitude 1.9 earthquake struck 67 km SSE of Adak, Alaska on Sat, Nov 23, 2019, 3:31 AM HAST (13:31 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M6.3 95 km SE of Adak, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 70 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak019f10nsg5. Read Thu, Oct 1, 2026, 2:57 PM UTC.