Alaska earthquakes

M2.3 earthquake 208 km S of Unalaska, Alaska

A magnitude 2.3 earthquake struck 208 km S of Unalaska, Alaska on Mon, May 8, 2023, 5:41 PM AKDT (01:41 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.2 121 km S of Unalaska, Alaska. This one was a foreshock.

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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
2.3 (ml), micro
Local time
UTC
2023-05-09 01:41:15 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.025° N, 166.005° 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 5.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
281°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.9130 km S of Unalaska, Alaska · 1240 days ago · 2 km deep · 97 km away
  2. 2.5133 km S of Unalaska, Alaska · 1231 days ago · 35 km deep · 90 km away
  3. 2.5134 km S of Unalaska, Alaska · 1231 days ago · 10 km deep · 93 km away
  4. 1.9123 km S of Unalaska, Alaska · 1228 days ago · 13 km deep · 99 km away
  5. 2.4195 km SSE of Unalaska, Alaska · 1228 days ago · 1 km deep · 30 km away
  6. 2.3127 km S of Unalaska, Alaska · 1228 days ago · 10 km deep · 92 km away
  7. 2.7124 km S of Unalaska, Alaska · 1227 days ago · 9 km deep · 97 km away
  8. 2.2127 km S of Unalaska, Alaska · 1223 days ago · 25 km deep · 91 km away
  9. 2.4162 km ESE of Nikolski, Alaska · 1220 days ago · 26 km deep · 56 km away
  10. 1.9156 km S of Unalaska, Alaska · 1207 days ago · 26 km deep · 64 km away
  11. 2.6212 km SE of Nikolski, Alaska · 1207 days ago · 10 km deep · 83 km away
  12. 2.4219 km SE of Nikolski, Alaska · 1205 days ago · 6 km deep · 47 km away
  13. 2.1192 km SE of Nikolski, Alaska · 1204 days ago · 2 km deep · 99 km away
  14. 1.9148 km SE of Nikolski, Alaska · 1204 days ago · 9 km deep · 76 km away
  15. 1.8120 km SE of Nikolski, Alaska · 1198 days ago · 8 km deep · 100 km away
  16. 2.9184 km SE of Nikolski, Alaska · 1197 days ago · 36 km deep · 81 km away
  17. 2.7189 km SE of Nikolski, Alaska · 1196 days ago · 10 km deep · 55 km away
  18. 2.7131 km S of Unalaska, Alaska · 1194 days ago · 3 km deep · 88 km away
  19. 2.0132 km S of Unalaska, Alaska · 1194 days ago · 5 km deep · 86 km away
  20. 2.8198 km SSE of Unalaska, Alaska · 1189 days ago · 10 km deep · 83 km away
  21. 2.2171 km SE of Nikolski, Alaska · 1185 days ago · 3 km deep · 91 km away
  22. 3.2121 km S of Unalaska, Alaska · 1182 days ago · 25 km deep · 100 km away

Before

  1. 1.8118 km S of Unalaska, Alaska · 1242 days ago · 6 km deep · 99 km away
  2. 2.6190 km SSE of Unalaska, Alaska · 1244 days ago · 18 km deep · 80 km away
  3. 2.7143 km ESE of Nikolski, Alaska · 1245 days ago · 28 km deep · 77 km away
  4. 3.4137 km ESE of Nikolski, Alaska · 1253 days ago · 10 km deep · 89 km away
  5. 3.1196 km SSE of Unalaska, Alaska · 1253 days ago · 16 km deep · 30 km away
  6. 2.8south of the Aleutian Islands · 1256 days ago · 10 km deep · 71 km away
  7. 2.5179 km SSE of Unalaska, Alaska · 1258 days ago · 10 km deep · 78 km away
  8. 2.8192 km SSE of Unalaska, Alaska · 1262 days ago · 10 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kdb6 (also filed as ak0235xd60wm). Read Wed, Sep 30, 2026, 4:51 AM UTC.