Alaska earthquakes

M1.7 earthquake 84 km SSW of Unalaska, Alaska

A magnitude 1.7 earthquake struck 84 km SSW of Unalaska, Alaska on Wed, Jul 19, 2023, 10:14 PM AKDT (06:14 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M4.5 93 km S 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.

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The earthquake

Magnitude
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-07-20 06:14:35 UTC
Depth
21.7 km (13.5 mi), shallow
Epicenter
53.148° N, 166.883° 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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 82 in the 30 days before it.

After

  1. 1.5108 km SSW of Unalaska, Alaska · 1171 days ago · 29 km deep · 24 km away
  2. 1.9Fox Islands, Aleutian Islands, Alaska · 1171 days ago · 27 km deep · 86 km away
  3. 3.4116 km S of Unalaska, Alaska · 1170 days ago · 40 km deep · 33 km away
  4. 1.870 km S of Akutan, Alaska · 1170 days ago · 24 km deep · 95 km away
  5. 1.954 km NE of Nikolski, Alaska · 1170 days ago · 13 km deep · 90 km away
  6. 3.080 km S of Unalaska, Alaska · 1170 days ago · 35 km deep · 11 km away
  7. 1.844 km SSW of Unalaska, Alaska · 1170 days ago · 62 km deep · 42 km away
  8. 2.1116 km S of Unalaska, Alaska · 1169 days ago · 19 km deep · 34 km away
  9. 2.356 km W of Dutch Harbor, Alaska · 1168 days ago · 144 km deep · 93 km away
  10. 1.9137 km S of Unalaska, Alaska · 1168 days ago · 8 km deep · 59 km away
  11. 1.549 km SE of Unalaska, Alaska · 1168 days ago · 39 km deep · 73 km away
  12. 2.1130 km S of Unalaska, Alaska · 1168 days ago · 5 km deep · 51 km away
  13. 2.045 km SSW of Unalaska, Alaska · 1168 days ago · 65 km deep · 43 km away
  14. 2.588 km SSW of Unalaska, Alaska · 1167 days ago · 35 km deep · 8 km away
  15. 2.889 km SSW of Unalaska, Alaska · 1167 days ago · 35 km deep · 9 km away
  16. 2.285 km SSW of Unalaska, Alaska · 1167 days ago · 36 km deep · 5 km away
  17. 3.073 km SSE of Akutan, Alaska · 1167 days ago · 35 km deep · 98 km away
  18. 2.6147 km S of Unalaska, Alaska · 1166 days ago · 10 km deep · 70 km away
  19. 1.853 km ENE of Nikolski, Alaska · 1166 days ago · 9 km deep · 87 km away
  20. 1.953 km ENE of Nikolski, Alaska · 1166 days ago · 12 km deep · 88 km away
  21. 3.283 km SSW of Unalaska, Alaska · 1166 days ago · 35 km deep · 4 km away
  22. 1.792 km E of Nikolski, Alaska · 1165 days ago · 55 km deep · 45 km away
  23. 1.7119 km S of Unalaska, Alaska · 1165 days ago · 1 km deep · 38 km away
  24. 1.779 km SSW of Unalaska, Alaska · 1165 days ago · 45 km deep · 7 km away
  25. 3.125 km W of Dutch Harbor, Alaska · 1164 days ago · 7 km deep · 79 km away
  26. 1.665 km SSW of Unalaska, Alaska · 1164 days ago · 54 km deep · 19 km away
  27. 1.776 km SSW of Unalaska, Alaska · 1164 days ago · 56 km deep · 9 km away
  28. 2.152 km SSE of Unalaska, Alaska · 1164 days ago · 54 km deep · 57 km away
  29. 1.858 km SSE of Unalaska, Alaska · 1164 days ago · 56 km deep · 43 km away
  30. 1.649 km ESE of Nikolski, Alaska · 1164 days ago · 24 km deep · 91 km away
  31. 2.9106 km ESE of Nikolski, Alaska · 1163 days ago · 35 km deep · 84 km away
  32. 4.255 km SSW of Unalaska, Alaska · 1163 days ago · 4 km deep · 32 km away · felt by 4
  33. 2.350 km SW of Unalaska, Alaska · 1163 days ago · 13 km deep · 45 km away
  34. 1.949 km SW of Unalaska, Alaska · 1163 days ago · 16 km deep · 48 km away
  35. 2.013 km NNE of Dutch Harbor, Alaska · 1163 days ago · 116 km deep · 99 km away
  36. 1.592 km SSE of Unalaska, Alaska · 1163 days ago · 25 km deep · 56 km away
  37. 3.488 km SSW of Unalaska, Alaska · 1163 days ago · 35 km deep · 14 km away
  38. 4.593 km S of Unalaska, Alaska · 1162 days ago · 35 km deep · 14 km away
  39. 2.876 km S of Unalaska, Alaska · 1162 days ago · 35 km deep · 31 km away
  40. 1.6Fox Islands, Aleutian Islands, Alaska · 1162 days ago · 67 km deep · 46 km away
  41. 1.550 km SW of Unalaska, Alaska · 1162 days ago · 15 km deep · 47 km away
  42. 1.949 km SW of Unalaska, Alaska · 1162 days ago · 14 km deep · 48 km away
  43. 1.749 km SW of Unalaska, Alaska · 1161 days ago · 21 km deep · 50 km away
  44. 1.550 km SW of Unalaska, Alaska · 1161 days ago · 14 km deep · 47 km away
  45. 1.939 km SSE of Unalaska, Alaska · 1161 days ago · 47 km deep · 60 km away
  46. 1.726 km ESE of Unalaska, Alaska · 1161 days ago · 78 km deep · 82 km away
  47. 1.582 km SSW of Unalaska, Alaska · 1161 days ago · 51 km deep · 12 km away
  48. 2.973 km ENE of Nikolski, Alaska · 1160 days ago · 62 km deep · 63 km away
  49. 1.749 km SW of Unalaska, Alaska · 1160 days ago · 17 km deep · 48 km away
  50. 3.269 km SSW of Unalaska, Alaska · 1159 days ago · 58 km deep · 17 km away
  51. 2.790 km E of Nikolski, Alaska · 1159 days ago · 35 km deep · 57 km away
  52. 1.9Fox Islands, Aleutian Islands, Alaska · 1158 days ago · 57 km deep · 26 km away
  53. 2.849 km SW of Unalaska, Alaska · 1156 days ago · 25 km deep · 55 km away
  54. 2.653 km WSW of Dutch Harbor, Alaska · 1155 days ago · 114 km deep · 78 km away
  55. 1.988 km SW of Unalaska, Alaska · 1155 days ago · 66 km deep · 42 km away
  56. 3.049 km SW of Unalaska, Alaska · 1155 days ago · 27 km deep · 56 km away
  57. 1.678 km SW of Unalaska, Alaska · 1155 days ago · 16 km deep · 39 km away
  58. 2.085 km SSW of Unalaska, Alaska · 1154 days ago · 26 km deep · 3 km away
  59. 3.4118 km S of Unalaska, Alaska · 1154 days ago · 35 km deep · 37 km away
  60. 1.8Fox Islands, Aleutian Islands, Alaska · 1154 days ago · 68 km deep · 46 km away

The first 60 of 160.

Before

  1. 3.2141 km ESE of Nikolski, Alaska · 1173 days ago · 10 km deep · 64 km away
  2. 1.791 km ENE of Nikolski, Alaska · 1175 days ago · 100 km deep · 62 km away
  3. 3.172 km SW of Unalaska, Alaska · 1175 days ago · 74 km deep · 51 km away
  4. 1.975 km ESE of Nikolski, Alaska · 1175 days ago · 42 km deep · 90 km away
  5. 1.640 km SSE of Unalaska, Alaska · 1175 days ago · 67 km deep · 55 km away
  6. 3.556 km SSE of Unalaska, Alaska · 1175 days ago · 38 km deep · 60 km away
  7. 2.124 km ESE of Unalaska, Alaska · 1176 days ago · 76 km deep · 84 km away
  8. 2.193 km ESE of Nikolski, Alaska · 1176 days ago · 37 km deep · 89 km away
  9. 2.591 km SE of Unalaska, Alaska · 1177 days ago · 35 km deep · 75 km away
  10. 1.762 km SSW of Unalaska, Alaska · 1178 days ago · 84 km deep · 22 km away
  11. 3.4145 km ESE of Nikolski, Alaska · 1178 days ago · 10 km deep · 79 km away
  12. 1.9122 km SSW of Unalaska, Alaska · 1178 days ago · 26 km deep · 39 km away
  13. 2.070 km SW of Unalaska, Alaska · 1178 days ago · 70 km deep · 54 km away
  14. 1.631 km SSE of Unalaska, Alaska · 1178 days ago · 30 km deep · 64 km away
  15. 3.167 km S of Unalaska, Alaska · 1178 days ago · 35 km deep · 34 km away
  16. 1.987 km SSW of Unalaska, Alaska · 1179 days ago · 35 km deep · 7 km away
  17. 1.9100 km E of Nikolski, Alaska · 1181 days ago · 52 km deep · 38 km away
  18. 1.999 km E of Nikolski, Alaska · 1181 days ago · 46 km deep · 41 km away
  19. 1.663 km SE of Unalaska, Alaska · 1181 days ago · 23 km deep · 78 km away
  20. 1.539 km WSW of Unalaska, Alaska · 1181 days ago · 12 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02398iofmp. Read Sun, Oct 4, 2026, 1:47 PM UTC.