Alaska earthquakes

M3.7 earthquake 138 km ESE of Chiniak, Alaska

A magnitude 3.7 earthquake struck 138 km ESE of Chiniak, Alaska on Tue, May 16, 2023, 9:34 PM AKDT (05:34 UTC), 12 km (7 mi) below the surface.

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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
3.7 (ml), minor
Local time
UTC
2023-05-17 05:34:56 UTC
Depth
11.8 km (7.3 mi), shallow
Epicenter
57.320° N, 150.039° W
Region
Alaska
Felt reports
1
Strongest shaking
I, not felt shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
I, not felt shaking
Peak ground acceleration
0.0% of gravity
Peak ground velocity
-5.2 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
198

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 2.2201 km E of Chiniak, Alaska · 1231 days ago · 1 km deep · 84 km away
  2. 2.6190 km SE of Chiniak, Alaska · 1219 days ago · 10 km deep · 86 km away
  3. 2.9198 km SE of Chiniak, Alaska · 1212 days ago · 10 km deep · 99 km away
  4. 2.1122 km ENE of Kodiak, Alaska · 1198 days ago · 11 km deep · 89 km away
  5. 2.5139 km ESE of Chiniak, Alaska · 1196 days ago · 3 km deep · 3 km away
  6. 2.5117 km ESE of Chiniak, Alaska · 1195 days ago · 13 km deep · 36 km away
  7. 2.9170 km E of Chiniak, Alaska · 1185 days ago · 9 km deep · 36 km away · felt by 1
  8. 3.189 km ESE of Chiniak, Alaska · 1176 days ago · 12 km deep · 51 km away
  9. 2.2114 km ESE of Chiniak, Alaska · 1175 days ago · 12 km deep · 40 km away

Before

  1. 2.047 km ESE of Chiniak, Alaska · 1252 days ago · 25 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0236ant441 (also filed as us6000kcgc). Read Wed, Sep 30, 2026, 4:12 PM UTC.