M3.5 earthquake 29 km WSW of Nanwalek, Alaska

A magnitude 3.5 earthquake struck 29 km WSW of Nanwalek, Alaska on Sun, Jan 26, 2020, 1:18 PM AKST (22:18 UTC), 62 km (39 mi) below the surface.

A larger quake followed: M3.8 62 km WNW of Anchor Point, 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
3.5	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
4.3	mb, body-wave	USGS National Earthquake Information Center	Reviewed · ±0.153 · 12 stations

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt 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: at least 202 in the 60 days after this one and 182 in the 30 days before it.

The first 60 of at least 202.

From the USGS Earthquake Hazards Program and its partner networks, event ak02017d6fr8 (also filed as us60007gqw). Read Sat, Oct 3, 2026, 5:34 AM UTC.