Alaska earthquakes

M1.5 earthquake 77 km WSW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 77 km WSW of Unalaska, Alaska on Sat, May 20, 2023, 1:28 PM AKDT (21:28 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.0 110 km SSW of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore 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
1.5 (ml), micro
Local time
UTC
2023-05-20 21:28:57 UTC
Depth
11.7 km (7.3 mi), shallow
Epicenter
53.565° N, 167.587° 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.

Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 105 in the 60 days after this one and 74 in the 30 days before it.

After

  1. 2.082 km WSW of Unalaska, Alaska · 1228 days ago · 106 km deep · 5 km away
  2. 4.0110 km SSW of Unalaska, Alaska · 1228 days ago · 40 km deep · 87 km away
  3. 2.3120 km S of Unalaska, Alaska · 1228 days ago · 2 km deep · 99 km away
  4. 1.597 km SSW of Unalaska, Alaska · 1227 days ago · 15 km deep · 61 km away
  5. 1.973 km SSW of Unalaska, Alaska · 1227 days ago · 46 km deep · 65 km away
  6. 2.099 km SSW of Unalaska, Alaska · 1226 days ago · 38 km deep · 63 km away
  7. 1.778 km SSW of Unalaska, Alaska · 1226 days ago · 45 km deep · 68 km away
  8. 1.972 km E of Nikolski, Alaska · 1226 days ago · 38 km deep · 67 km away
  9. 2.690 km SSW of Unalaska, Alaska · 1226 days ago · 35 km deep · 71 km away
  10. 3.0Fox Islands, Aleutian Islands, Alaska · 1224 days ago · 73 km deep · 32 km away
  11. 1.92 km ESE of Unalaska, Alaska · 1223 days ago · 7 km deep · 79 km away
  12. 3.852 km E of Nikolski, Alaska · 1223 days ago · 46 km deep · 79 km away
  13. 2.777 km SW of Unalaska, Alaska · 1223 days ago · 23 km deep · 27 km away
  14. 2.516 km ESE of Unalaska, Alaska · 1223 days ago · 85 km deep · 88 km away
  15. 2.371 km S of Unalaska, Alaska · 1223 days ago · 38 km deep · 68 km away
  16. 1.972 km WSW of Unalaska, Alaska · 1220 days ago · 13 km deep · 7 km away
  17. 1.796 km SW of Unalaska, Alaska · 1220 days ago · 51 km deep · 47 km away
  18. 1.969 km ESE of Nikolski, Alaska · 1220 days ago · 32 km deep · 88 km away
  19. 2.220 km E of Nikolski, Alaska · 1220 days ago · 92 km deep · 96 km away
  20. 1.784 km SSW of Unalaska, Alaska · 1217 days ago · 26 km deep · 69 km away
  21. 2.051 km SW of Unalaska, Alaska · 1217 days ago · 121 km deep · 28 km away
  22. 2.153 km WSW of Unalaska, Alaska · 1217 days ago · 125 km deep · 26 km away
  23. 3.170 km S of Unalaska, Alaska · 1215 days ago · 35 km deep · 79 km away
  24. 2.086 km WSW of Unalaska, Alaska · 1215 days ago · 78 km deep · 9 km away
  25. 1.9111 km SSW of Unalaska, Alaska · 1215 days ago · 18 km deep · 75 km away
  26. 2.145 km ESE of Nikolski, Alaska · 1215 days ago · 47 km deep · 100 km away
  27. 1.9Fox Islands, Aleutian Islands, Alaska · 1213 days ago · 58 km deep · 73 km away
  28. 1.757 km ESE of Nikolski, Alaska · 1213 days ago · 25 km deep · 90 km away
  29. 1.960 km ESE of Nikolski, Alaska · 1213 days ago · 26 km deep · 96 km away
  30. 3.8Fox Islands, Aleutian Islands, Alaska · 1212 days ago · 37 km deep · 95 km away
  31. 1.9117 km S of Unalaska, Alaska · 1212 days ago · 18 km deep · 98 km away
  32. 3.095 km SSW of Unalaska, Alaska · 1212 days ago · 35 km deep · 65 km away
  33. 2.070 km E of Nikolski, Alaska · 1212 days ago · 47 km deep · 78 km away
  34. 2.716 km SE of Unalaska, Alaska · 1210 days ago · 82 km deep · 85 km away
  35. 1.979 km SW of Unalaska, Alaska · 1209 days ago · 15 km deep · 37 km away
  36. 1.77 km SSW of Unalaska, Alaska · 1209 days ago · 95 km deep · 72 km away
  37. 1.686 km SSW of Unalaska, Alaska · 1209 days ago · 26 km deep · 68 km away
  38. 1.520 km ENE of Dutch Harbor, Alaska · 1208 days ago · 7 km deep · 98 km away
  39. 1.621 km ENE of Dutch Harbor, Alaska · 1208 days ago · 7 km deep · 99 km away
  40. 1.521 km ENE of Dutch Harbor, Alaska · 1208 days ago · 7 km deep · 99 km away
  41. 1.779 km E of Nikolski, Alaska · 1208 days ago · 46 km deep · 82 km away
  42. 1.754 km ESE of Nikolski, Alaska · 1207 days ago · 26 km deep · 98 km away
  43. 2.6Fox Islands, Aleutian Islands, Alaska · 1207 days ago · 35 km deep · 70 km away
  44. 1.620 km ENE of Dutch Harbor, Alaska · 1207 days ago · 12 km deep · 98 km away
  45. 1.793 km E of Nikolski, Alaska · 1206 days ago · 56 km deep · 65 km away
  46. 1.65 km N of Dutch Harbor, Alaska · 1205 days ago · 11 km deep · 80 km away
  47. 2.550 km SW of Unalaska, Alaska · 1204 days ago · 12 km deep · 36 km away
  48. 1.9Fox Islands, Aleutian Islands, Alaska · 1201 days ago · 80 km deep · 41 km away
  49. 2.176 km S of Unalaska, Alaska · 1200 days ago · 27 km deep · 74 km away
  50. 3.3107 km SSW of Unalaska, Alaska · 1199 days ago · 35 km deep · 82 km away
  51. 1.583 km WSW of Dutch Harbor, Alaska · 1198 days ago · 41 km deep · 18 km away
  52. 1.578 km SSW of Unalaska, Alaska · 1198 days ago · 37 km deep · 61 km away
  53. 1.549 km SW of Unalaska, Alaska · 1197 days ago · 19 km deep · 33 km away
  54. 3.5113 km S of Unalaska, Alaska · 1197 days ago · 11 km deep · 92 km away
  55. 1.697 km E of Nikolski, Alaska · 1197 days ago · 51 km deep · 70 km away
  56. 1.6Fox Islands, Aleutian Islands, Alaska · 1196 days ago · 10 km deep · 33 km away
  57. 2.179 km SW of Unalaska, Alaska · 1196 days ago · 13 km deep · 30 km away
  58. 1.6Fox Islands, Aleutian Islands, Alaska · 1195 days ago · 29 km deep · 53 km away
  59. 2.581 km ENE of Nikolski, Alaska · 1195 days ago · 10 km deep · 36 km away
  60. 2.271 km S of Unalaska, Alaska · 1195 days ago · 40 km deep · 70 km away

The first 60 of 105.

Before

  1. 1.772 km WSW of Unalaska, Alaska · 1229 days ago · 7 km deep · 7 km away
  2. 2.2102 km SSW of Unalaska, Alaska · 1231 days ago · 20 km deep · 81 km away
  3. 1.916 km N of Dutch Harbor, Alaska · 1232 days ago · 84 km deep · 86 km away
  4. 3.839 km ESE of Nikolski, Alaska · 1232 days ago · 48 km deep · 92 km away · felt by 1
  5. 3.526 km SW of Unalaska, Alaska · 1233 days ago · 79 km deep · 53 km away
  6. 2.466 km SSW of Unalaska, Alaska · 1234 days ago · 88 km deep · 51 km away
  7. 3.091 km SSW of Unalaska, Alaska · 1234 days ago · 35 km deep · 71 km away
  8. 3.576 km SSW of Unalaska, Alaska · 1234 days ago · 53 km deep · 52 km away
  9. 2.050 km SW of Unalaska, Alaska · 1235 days ago · 13 km deep · 31 km away
  10. 1.919 km SE of Unalaska, Alaska · 1235 days ago · 86 km deep · 84 km away
  11. 2.744 km ESE of Nikolski, Alaska · 1236 days ago · 35 km deep · 97 km away
  12. 1.777 km SSE of Unalaska, Alaska · 1237 days ago · 26 km deep · 99 km away
  13. 1.731 km W of Dutch Harbor, Alaska · 1237 days ago · 27 km deep · 53 km away
  14. 1.649 km SW of Unalaska, Alaska · 1239 days ago · 13 km deep · 38 km away
  15. 2.4Fox Islands, Aleutian Islands, Alaska · 1239 days ago · 22 km deep · 37 km away
  16. 3.1Fox Islands, Aleutian Islands, Alaska · 1239 days ago · 35 km deep · 75 km away
  17. 1.949 km SW of Unalaska, Alaska · 1239 days ago · 17 km deep · 37 km away
  18. 2.050 km SW of Unalaska, Alaska · 1239 days ago · 13 km deep · 36 km away
  19. 1.949 km SW of Unalaska, Alaska · 1239 days ago · 18 km deep · 35 km away
  20. 1.748 km SW of Unalaska, Alaska · 1239 days ago · 13 km deep · 32 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0236fvwtcr. Read Wed, Sep 30, 2026, 12:38 PM UTC.