Alaska earthquakes

M2.4 earthquake 273 km W of Adak, Alaska

A magnitude 2.4 earthquake struck 273 km W of Adak, Alaska on Sat, Dec 15, 2018, 8:17 PM GMT+12 (08:17 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M4.3 266 km W of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-12-15 08:17:17 UTC
Depth
32.0 km (19.9 mi), shallow
Epicenter
51.658° N, 179.419° E
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
11

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 9 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018g1bf9ot. Read Fri, Oct 2, 2026, 12:01 PM UTC.