Alaska earthquakes

M2.1 earthquake 16 km NW of Valdez, Alaska

A magnitude 2.1 earthquake struck 16 km NW of Valdez, Alaska on Mon, Oct 22, 2018, 9:56 AM AKDT (17:56 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.8 49 km SSE of Nelchina, Alaska. This one was a foreshock.

Valdez forecast More in Alaska

Map

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

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The earthquake

Magnitude: 2.1 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Oct 22, 2018, 9:56 AM AKDT
UTC: 2018-10-22 17:56:41 UTC
Depth: 2.4 km (1.5 mi), shallow
Epicenter: 61.222° N, 146.601° W
Region: Alaska
Felt reports: 2
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
2.1	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.1	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 100

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 112.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018dk5zu8b (also filed as ak20288879, us1000hfqd). Read Thu, Oct 1, 2026, 5:38 PM UTC.