Alaska earthquakes

M2.7 earthquake 130 km E of McCarthy, Alaska

A magnitude 2.7 earthquake struck 130 km E of McCarthy, Alaska on Wed, Nov 18, 2020, 11:25 PM AKST (08:25 UTC), 5 km (3 mi) below the surface.

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

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The earthquake

Magnitude: 2.7 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Wed, Nov 18, 2020, 11:25 PM AKST
UTC: 2020-11-19 08:25:19 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 61.469° N, 140.469° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

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)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.036 · 100 stations
2.5	ML, local (Richter)	Alaska Earthquake Center	Preliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.7 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 21°
Stations used: 72

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 10 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000cqaq (also filed as ak020evz1b75). Read Thu, Oct 1, 2026, 12:04 PM UTC.