M1.5 earthquake 45 km SSW of Tanana, Alaska

A magnitude 1.5 earthquake struck 45 km SSW of Tanana, Alaska on Fri, Apr 30, 2021, 6:32 PM AKDT (02:32 UTC), 13 km (8 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.2 31 km SE of Tanana, 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.

An automatic solution; a seismologist may revise it.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 8 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak0215k5etve. Read Thu, Oct 1, 2026, 1:22 AM UTC.