M2.5 earthquake 15 km WSW of Willow, Alaska

A magnitude 2.5 earthquake struck 15 km WSW of Willow, Alaska on Tue, Jul 14, 2020, 5:49 PM AKDT (01:49 UTC), 42 km (26 mi) below the surface.

A larger quake followed: M4.3 57 km SW of Skwentna, 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
2.5	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.028 · 168 stations

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 92 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak02091tre75 (also filed as us7000anr7). Read Sun, Oct 4, 2026, 2:02 PM UTC.