M3.0 earthquake 12 km N of Meadow Lakes, Alaska

A magnitude 3.0 earthquake struck 12 km N of Meadow Lakes, Alaska on Sun, Sep 27, 2020, 12:29 PM AKDT (20:29 UTC), 40 km (25 mi) below the surface.

A larger quake followed: M5.1 2 km E of Big Lake, Alaska. This one was a foreshock.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.0	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.1	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.03 · 144 stations

The USGS’s account of the effects of this earthquake.

Also felt at Chugiak and Eagle River.

From the USGS event page for ak020cgiq1t3. U.S. Geological Survey text and figures are in the public domain.

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and 119 in the 30 days before it.

The first 60 of 190.

From the USGS Earthquake Hazards Program and its partner networks, event ak020cgiq1t3 (also filed as us6000c1zh). Read Sun, Oct 4, 2026, 7:54 AM UTC.