Alaska earthquakes

M2.9 earthquake 126 km ESE of Atka, Alaska

A magnitude 2.9 earthquake struck 126 km ESE of Atka, Alaska on Fri, May 12, 2023, 5:39 AM HADT (14:39 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.8 180 km ESE of Atka, 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-05-12 14:39:56 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.933° N, 172.410° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 12 stations
2.6ML, local (Richter)Alaska Earthquake CenterPreliminary

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 4.0 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
206°, poorly surrounded by stations
Stations used
14

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 3.7147 km ENE of Atka, Alaska · 1237 days ago · 113 km deep · 65 km away
  2. 3.8180 km ESE of Atka, Alaska · 1237 days ago · 35 km deep · 54 km away
  3. 3.1158 km ESE of Atka, Alaska · 1231 days ago · 35 km deep · 41 km away
  4. 2.5112 km SE of Atka, Alaska · 1228 days ago · 35 km deep · 60 km away
  5. 2.540 km E of Atka, Alaska · 1227 days ago · 35 km deep · 85 km away
  6. 3.7197 km SW of Nikolski, Alaska · 1226 days ago · 35 km deep · 82 km away
  7. 3.894 km E of Atka, Alaska · 1224 days ago · 209 km deep · 55 km away
  8. 3.0108 km E of Atka, Alaska · 1219 days ago · 10 km deep · 18 km away
  9. 3.135 km ESE of Atka, Alaska · 1217 days ago · 61 km deep · 93 km away
  10. 3.693 km SE of Atka, Alaska · 1217 days ago · 35 km deep · 82 km away
  11. 2.156 km ESE of Atka, Alaska · 1210 days ago · 60 km deep · 75 km away
  12. 3.162 km SE of Atka, Alaska · 1210 days ago · 10 km deep · 78 km away
  13. 2.6191 km ESE of Atka, Alaska · 1210 days ago · 35 km deep · 66 km away
  14. 2.343 km E of Atka, Alaska · 1207 days ago · 153 km deep · 84 km away
  15. 3.7107 km E of Atka, Alaska · 1206 days ago · 76 km deep · 30 km away
  16. 3.2176 km E of Atka, Alaska · 1203 days ago · 106 km deep · 75 km away
  17. 3.7Andreanof Islands, Aleutian Islands, Alaska · 1202 days ago · 10 km deep · 94 km away
  18. 2.037 km ESE of Atka, Alaska · 1202 days ago · 6 km deep · 91 km away
  19. 2.9149 km ESE of Atka, Alaska · 1193 days ago · 35 km deep · 51 km away
  20. 3.8132 km ENE of Atka, Alaska · 1193 days ago · 146 km deep · 79 km away
  21. 3.0177 km ESE of Atka, Alaska · 1193 days ago · 35 km deep · 51 km away
  22. 2.6Fox Islands, Aleutian Islands, Alaska · 1189 days ago · 35 km deep · 60 km away
  23. 2.074 km SE of Atka, Alaska · 1181 days ago · 21 km deep · 87 km away
  24. 3.6181 km SW of Nikolski, Alaska · 1181 days ago · 35 km deep · 94 km away
  25. 3.3185 km SW of Nikolski, Alaska · 1180 days ago · 35 km deep · 93 km away
  26. 2.026 km ESE of Atka, Alaska · 1180 days ago · 14 km deep · 100 km away
  27. 3.8Fox Islands, Aleutian Islands, Alaska · 1180 days ago · 44 km deep · 74 km away
  28. 2.9187 km ESE of Atka, Alaska · 1178 days ago · 35 km deep · 61 km away

Before

  1. 3.797 km SE of Atka, Alaska · 1241 days ago · 18 km deep · 82 km away
  2. 3.5137 km E of Atka, Alaska · 1244 days ago · 35 km deep · 17 km away
  3. 2.7169 km E of Atka, Alaska · 1251 days ago · 35 km deep · 48 km away
  4. 2.7102 km ESE of Atka, Alaska · 1251 days ago · 35 km deep · 36 km away
  5. 3.1103 km ESE of Atka, Alaska · 1254 days ago · 10 km deep · 35 km away
  6. 3.829 km E of Atka, Alaska · 1254 days ago · 96 km deep · 98 km away · felt by 1
  7. 3.1111 km ESE of Atka, Alaska · 1259 days ago · 35 km deep · 27 km away
  8. 3.167 km E of Atka, Alaska · 1264 days ago · 74 km deep · 59 km away
  9. 2.9Andreanof Islands, Aleutian Islands, Alaska · 1265 days ago · 10 km deep · 91 km away
  10. 2.655 km SE of Atka, Alaska · 1265 days ago · 35 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kckx (also filed as ak02362jicw9). Read Thu, Oct 1, 2026, 4:21 AM UTC.