M2.7 earthquake 43 km SSE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 43 km SSE of Chiniak, Alaska on Wed, Mar 18, 2020, 7:18 PM AKDT (03:18 UTC), 16 km (10 mi) below the surface.

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
2.7	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.052 · 48 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: 12 in the 60 days after this one and 7 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak0203mpcmoq (also filed as us70008cae). Read Sat, Oct 3, 2026, 8:50 PM UTC.