Alaska earthquakes

M2.5 earthquake 155 km ESE of McCarthy, Alaska

A magnitude 2.5 earthquake struck 155 km ESE of McCarthy, Alaska on Thu, Jun 4, 2026, 12:22 AM AKDT (08:22 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M5.2 122 km SE of McCarthy, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 2.5 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Thu, Jun 4, 2026, 12:22 AM AKDT
UTC: 2026-06-04 08:22:05 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 61.033° N, 140.151° 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
2.5	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.049 · 54 stations
2.5	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.2 · 13 stations

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 2.0 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 55°
Stations used: 25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 192 in the 30 days before it.

After

The first 60 of 178.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000sqhz (also filed as aka2026kzccyb). Read Thu, Oct 1, 2026, 7:14 PM UTC.