Alaska earthquakes

M3.0 earthquake 243 km SW of Adak, Alaska

A magnitude 3.0 earthquake struck 243 km SW of Adak, Alaska on Wed, May 17, 2023, 5:58 AM HADT (14:58 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 193 km WSW of Adak, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
3.0 (ml), minor
Local time
UTC
2023-05-17 14:58:04 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.231° N, 178.932° W
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.

Location uncertainty
About 3.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
263°, poorly surrounded by stations
Stations used
23

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.7205 km WSW of Adak, Alaska · 1231 days ago · 22 km deep · 98 km away
  2. 2.6261 km SW of Adak, Alaska · 1218 days ago · 10 km deep · 18 km away
  3. 3.1203 km WSW of Adak, Alaska · 1214 days ago · 35 km deep · 97 km away
  4. 2.9258 km SW of Adak, Alaska · 1208 days ago · 10 km deep · 35 km away
  5. 2.1196 km SSW of Adak, Alaska · 1207 days ago · 4 km deep · 87 km away
  6. 3.1299 km SW of Adak, Alaska · 1207 days ago · 10 km deep · 82 km away
  7. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1206 days ago · 11 km deep · 95 km away
  8. 2.1Rat Islands, Aleutian Islands, Alaska · 1206 days ago · 5 km deep · 79 km away
  9. 3.5193 km WSW of Adak, Alaska · 1202 days ago · 35 km deep · 98 km away
  10. 3.3255 km SSW of Adak, Alaska · 1196 days ago · 10 km deep · 56 km away
  11. 3.3191 km WSW of Adak, Alaska · 1191 days ago · 26 km deep · 97 km away
  12. 1.8179 km WSW of Adak, Alaska · 1187 days ago · 19 km deep · 100 km away
  13. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1186 days ago · 25 km deep · 46 km away
  14. 2.1170 km WSW of Adak, Alaska · 1183 days ago · 19 km deep · 92 km away
  15. 3.1214 km WSW of Adak, Alaska · 1178 days ago · 16 km deep · 94 km away
  16. 3.5268 km SSW of Adak, Alaska · 1177 days ago · 17 km deep · 40 km away
  17. 2.2207 km SSW of Adak, Alaska · 1173 days ago · 0 km deep · 52 km away

Before

  1. 2.5219 km WSW of Adak, Alaska · 1233 days ago · 9 km deep · 70 km away
  2. 2.4Andreanof Islands, Aleutian Islands, Alaska · 1237 days ago · 26 km deep · 94 km away
  3. 2.5155 km SW of Adak, Alaska · 1239 days ago · 10 km deep · 95 km away
  4. 3.8227 km WSW of Adak, Alaska · 1241 days ago · 10 km deep · 90 km away
  5. 3.0168 km SW of Adak, Alaska · 1250 days ago · 35 km deep · 83 km away
  6. 3.1154 km SW of Adak, Alaska · 1258 days ago · 35 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kdc6 (also filed as ak0236atb243). Read Wed, Sep 30, 2026, 9:28 PM UTC.