Alaska earthquakes

M2.6 earthquake 121 km E of Chignik, Alaska

A magnitude 2.6 earthquake struck 121 km E of Chignik, Alaska on Sun, Jul 17, 2022, 6:47 PM AKDT (02:47 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M4.8 153 km SW of Akhiok, Alaska. This one was a foreshock.

Naknek forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2022-07-18 02:47:15 UTC
Depth
43.4 km (27.0 mi), shallow
Epicenter
56.506° N, 156.466° 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.ScaleComputed byNotes
2.6ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.9ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.055 · 44 stations

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
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 93 in the 60 days after this one and 44 in the 30 days before it.

After

The first 60 of 93.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak022955f1bk (also filed as us7000i4gz). Read Thu, Oct 1, 2026, 7:36 PM UTC.