Alaska earthquakes

M3.7 earthquake 107 km E of Atka, Alaska

A magnitude 3.7 earthquake struck 107 km E of Atka, Alaska on Tue, Jun 13, 2023, 6:20 AM HADT (15:20 UTC), 76 km (47 mi) below the surface.

A larger quake followed: M4.5 135 km SE of Atka, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
3.7 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-13 15:20:19 UTC
Depth
75.6 km (47.0 mi), intermediate-depth
Epicenter
52.167° N, 172.635° W
Region
Alaska
Strongest shaking
II, weak shaking
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
3.7mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.116 · 19 stations
3.8ML, local (Richter)Alaska Earthquake CenterPreliminary

Shaking

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

Strongest estimated
II, weak shaking
Peak ground acceleration
0.1% of gravity
Peak ground velocity
-3.3 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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 4.1 km horizontally, 11.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
195°, poorly surrounded by stations
Stations used
32

Nearby

Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 3.2176 km E of Atka, Alaska · 1204 days ago · 106 km deep · 73 km away
  2. 3.7Andreanof Islands, Aleutian Islands, Alaska · 1203 days ago · 10 km deep · 86 km away
  3. 2.037 km ESE of Atka, Alaska · 1203 days ago · 6 km deep · 77 km away
  4. 2.994 km NE of Atka, Alaska · 1203 days ago · 76 km deep · 92 km away
  5. 1.915 km E of Atka, Alaska · 1203 days ago · 70 km deep · 92 km away
  6. 2.9149 km ESE of Atka, Alaska · 1194 days ago · 35 km deep · 79 km away
  7. 3.8132 km ENE of Atka, Alaska · 1194 days ago · 146 km deep · 56 km away
  8. 3.0177 km ESE of Atka, Alaska · 1194 days ago · 35 km deep · 74 km away
  9. 2.6Fox Islands, Aleutian Islands, Alaska · 1191 days ago · 35 km deep · 84 km away
  10. 4.1108 km NE of Atka, Alaska · 1189 days ago · 187 km deep · 72 km away
  11. 2.074 km SE of Atka, Alaska · 1183 days ago · 21 km deep · 87 km away
  12. 2.026 km ESE of Atka, Alaska · 1181 days ago · 14 km deep · 82 km away
  13. 3.8Fox Islands, Aleutian Islands, Alaska · 1181 days ago · 44 km deep · 98 km away
  14. 2.928 km NE of Atka, Alaska · 1180 days ago · 176 km deep · 87 km away
  15. 2.9187 km ESE of Atka, Alaska · 1179 days ago · 35 km deep · 86 km away
  16. 2.8100 km ESE of Atka, Alaska · 1178 days ago · 35 km deep · 51 km away
  17. 2.3176 km ENE of Atka, Alaska · 1178 days ago · 10 km deep · 92 km away
  18. 3.252 km SSE of Atka, Alaska · 1175 days ago · 35 km deep · 90 km away
  19. 1.844 km ESE of Atka, Alaska · 1173 days ago · 76 km deep · 66 km away
  20. 2.769 km SE of Atka, Alaska · 1173 days ago · 10 km deep · 81 km away
  21. 3.645 km SE of Atka, Alaska · 1173 days ago · 10 km deep · 76 km away
  22. 2.146 km SE of Atka, Alaska · 1171 days ago · 67 km deep · 78 km away
  23. 3.0197 km SW of Nikolski, Alaska · 1170 days ago · 35 km deep · 98 km away
  24. 2.263 km ESE of Atka, Alaska · 1168 days ago · 22 km deep · 47 km away
  25. 3.199 km ENE of Atka, Alaska · 1166 days ago · 10 km deep · 43 km away
  26. 3.5185 km ESE of Atka, Alaska · 1165 days ago · 48 km deep · 81 km away
  27. 2.8Andreanof Islands, Aleutian Islands, Alaska · 1163 days ago · 35 km deep · 54 km away
  28. 2.553 km ESE of Atka, Alaska · 1162 days ago · 35 km deep · 64 km away
  29. 2.038 km ESE of Atka, Alaska · 1162 days ago · 19 km deep · 70 km away
  30. 2.142 km E of Atka, Alaska · 1159 days ago · 16 km deep · 65 km away
  31. 2.138 km ESE of Atka, Alaska · 1159 days ago · 16 km deep · 69 km away
  32. 2.5Andreanof Islands, Aleutian Islands, Alaska · 1159 days ago · 11 km deep · 75 km away
  33. 2.856 km ESE of Atka, Alaska · 1156 days ago · 35 km deep · 60 km away
  34. 3.046 km ESE of Atka, Alaska · 1155 days ago · 10 km deep · 71 km away
  35. 3.527 km SSE of Atka, Alaska · 1154 days ago · 59 km deep · 97 km away
  36. 4.5135 km SE of Atka, Alaska · 1152 days ago · 18 km deep · 88 km away
  37. 3.179 km SSE of Atka, Alaska · 1152 days ago · 35 km deep · 97 km away
  38. 2.746 km SE of Atka, Alaska · 1152 days ago · 10 km deep · 73 km away
  39. 2.742 km SE of Atka, Alaska · 1152 days ago · 10 km deep · 78 km away
  40. 2.945 km NE of Atka, Alaska · 1151 days ago · 161 km deep · 80 km away
  41. 3.049 km ESE of Atka, Alaska · 1151 days ago · 10 km deep · 70 km away
  42. 3.368 km ESE of Atka, Alaska · 1149 days ago · 35 km deep · 54 km away
  43. 2.595 km ESE of Atka, Alaska · 1149 days ago · 35 km deep · 51 km away
  44. 2.137 km ESE of Atka, Alaska · 1148 days ago · 10 km deep · 73 km away
  45. 1.831 km ESE of Atka, Alaska · 1147 days ago · 8 km deep · 80 km away
  46. 1.735 km ESE of Atka, Alaska · 1147 days ago · 12 km deep · 74 km away

Before

  1. 2.343 km E of Atka, Alaska · 1208 days ago · 153 km deep · 64 km away
  2. 2.6191 km ESE of Atka, Alaska · 1211 days ago · 35 km deep · 87 km away
  3. 3.162 km SE of Atka, Alaska · 1211 days ago · 10 km deep · 73 km away
  4. 2.156 km ESE of Atka, Alaska · 1212 days ago · 60 km deep · 65 km away
  5. 3.693 km SE of Atka, Alaska · 1218 days ago · 35 km deep · 89 km away
  6. 3.135 km ESE of Atka, Alaska · 1218 days ago · 61 km deep · 79 km away
  7. 3.481 km NE of Atka, Alaska · 1220 days ago · 180 km deep · 90 km away
  8. 3.0108 km E of Atka, Alaska · 1220 days ago · 10 km deep · 17 km away
  9. 1.617 km NNE of Atka, Alaska · 1225 days ago · 7 km deep · 99 km away
  10. 3.894 km E of Atka, Alaska · 1225 days ago · 209 km deep · 25 km away
  11. 3.925 km ENE of Atka, Alaska · 1227 days ago · 121 km deep · 83 km away
  12. 2.540 km E of Atka, Alaska · 1228 days ago · 35 km deep · 66 km away
  13. 2.5112 km SE of Atka, Alaska · 1230 days ago · 35 km deep · 75 km away
  14. 3.1158 km ESE of Atka, Alaska · 1232 days ago · 35 km deep · 71 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k86f (also filed as ak0237jh6qqd). Read Fri, Oct 2, 2026, 8:38 AM UTC.