Alaska earthquakes

M2.4 earthquake 61 km ESE of Atka, Alaska

A magnitude 2.4 earthquake struck 61 km ESE of Atka, Alaska on Sat, Jun 11, 2016, 6:15 PM HADT (03:15 UTC), 69 km (43 mi) below the surface.

A larger quake followed: M4.2 86 km ESE of Atka, Alaska. This one was a foreshock.

Map

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

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The earthquake

Magnitude: 2.4 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Sat, Jun 11, 2016, 6:15 PM HADT
UTC: 2016-06-12 03:15:23 UTC
Depth: 69.4 km (43.1 mi), shallow
Epicenter: 52.037° N, 173.340° 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
2.4	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed
2.4	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 10.4 km horizontally, 10.0 km in depth
Stations used: 12

Nearby

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 78.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20006509 (also filed as ak13654479, ak0167ja0hbz). Read Sun, Oct 4, 2026, 2:05 AM UTC.