M2.5 earthquake 75 km E of Nikolski, Alaska

Magnitude

2.5 (ml), micro

Local time

Mon, May 4, 2020, 12:22 PM AKDT

UTC

2020-05-04 20:22:23 UTC

Depth

33.6 km (20.9 mi), shallow

Epicenter

53.070° N, 167.762° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.5 km horizontally, 12.3 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

214°, poorly surrounded by stations

Stations used

17

• Unalaska, AlaskaPopulation 4,491. Forecast121 kmSW

After

1. 3.138 km NNW of Nikolski, AlaskaSat, May 9, 1:35 AM AKDT · 2336 days ago · 137 km deep · 87 km away
2. 1.9Fox Islands, Aleutian Islands, AlaskaMon, May 11, 2:24 PM AKDT · 2333 days ago · 26 km deep · 76 km away
3. 3.877 km E of Nikolski, AlaskaTue, May 12, 6:50 PM AKDT · 2332 days ago · 37 km deep · 21 km away
4. 2.228 km SW of Unalaska, AlaskaWed, May 13, 11:24 AM AKDT · 2331 days ago · 112 km deep · 94 km away
5. 2.080 km SSW of Unalaska, AlaskaThu, May 14, 8:24 AM AKDT · 2330 days ago · 78 km deep · 43 km away
6. 1.6108 km E of Nikolski, AlaskaFri, May 15, 4:26 AM AKDT · 2330 days ago · 20 km deep · 41 km away
7. 1.679 km S of Unalaska, AlaskaFri, May 15, 4:16 PM AKDT · 2329 days ago · 26 km deep · 71 km away
8. 2.922 km WNW of Nikolski, AlaskaSun, May 17, 5:10 AM AKDT · 2328 days ago · 81 km deep · 92 km away
9. 2.0100 km S of Unalaska, AlaskaSun, May 17, 10:09 PM AKDT · 2327 days ago · 3 km deep · 72 km away
10. 1.659 km SSW of Unalaska, AlaskaSat, May 23, 9:33 AM AKDT · 2321 days ago · 51 km deep · 66 km away
11. 1.8124 km S of Unalaska, AlaskaSat, May 23, 5:16 PM AKDT · 2321 days ago · 12 km deep · 71 km away
12. 1.9122 km SSW of Unalaska, AlaskaSun, May 24, 4:27 PM AKDT · 2320 days ago · 5 km deep · 60 km away
13. 3.922 km SSE of Nikolski, AlaskaTue, May 26, 10:25 AM AKDT · 2318 days ago · 47 km deep · 77 km away · felt by 1
14. 2.378 km SSW of Unalaska, AlaskaSat, May 30, 9:06 AM AKDT · 2314 days ago · 22 km deep · 68 km away
15. 2.5144 km ESE of Nikolski, AlaskaSun, May 31, 11:25 AM AKDT · 2313 days ago · 9 km deep · 86 km away
16. 3.791 km SSW of Unalaska, AlaskaMon, Jun 1, 1:33 PM AKDT · 2312 days ago · 40 km deep · 49 km away
17. 2.190 km SSW of Unalaska, AlaskaMon, Jun 1, 4:33 PM AKDT · 2312 days ago · 87 km deep · 41 km away
18. 1.8Fox Islands, Aleutian Islands, AlaskaTue, Jun 2, 6:33 PM AKDT · 2311 days ago · 9 km deep · 42 km away
19. 1.655 km SW of Unalaska, AlaskaWed, Jun 3, 10:03 AM AKDT · 2310 days ago · 7 km deep · 67 km away
20. 2.455 km SSE of Nikolski, AlaskaWed, Jun 3, 5:20 PM AKDT · 2310 days ago · 12 km deep · 76 km away
21. 3.368 km SSE of Nikolski, AlaskaThu, Jun 4, 6:26 PM AKDT · 2309 days ago · 10 km deep · 84 km away
22. 1.792 km SW of Unalaska, AlaskaFri, Jun 5, 6:13 AM AKDT · 2309 days ago · 77 km deep · 29 km away
23. 1.780 km S of Unalaska, AlaskaSat, Jun 6, 7:27 PM AKDT · 2307 days ago · 36 km deep · 73 km away
24. 1.780 km SSW of Unalaska, AlaskaSun, Jun 7, 12:12 PM AKDT · 2306 days ago · 26 km deep · 63 km away
25. 2.171 km SSW of Unalaska, AlaskaSun, Jun 7, 12:18 PM AKDT · 2306 days ago · 46 km deep · 64 km away
26. 1.777 km SSW of Unalaska, AlaskaSun, Jun 7, 12:21 PM AKDT · 2306 days ago · 26 km deep · 63 km away
27. 2.177 km SSW of Unalaska, AlaskaSun, Jun 7, 12:27 PM AKDT · 2306 days ago · 42 km deep · 61 km away
28. 1.980 km SSW of Unalaska, AlaskaSun, Jun 7, 4:57 PM AKDT · 2306 days ago · 26 km deep · 62 km away
29. 2.974 km ESE of Nikolski, AlaskaThu, Jun 11, 7:30 PM AKDT · 2302 days ago · 35 km deep · 31 km away
30. 2.584 km S of Unalaska, AlaskaFri, Jun 12, 4:59 PM AKDT · 2301 days ago · 35 km deep · 66 km away
31. 3.199 km E of Nikolski, AlaskaSat, Jun 13, 8:19 AM AKDT · 2300 days ago · 24 km deep · 31 km away
32. 2.694 km E of Nikolski, AlaskaSat, Jun 13, 8:34 AM AKDT · 2300 days ago · 35 km deep · 22 km away
33. 1.799 km ESE of Nikolski, AlaskaSat, Jun 13, 8:43 PM AKDT · 2300 days ago · 18 km deep · 42 km away
34. 1.655 km SW of Unalaska, AlaskaSun, Jun 14, 12:01 PM AKDT · 2299 days ago · 8 km deep · 66 km away
35. 3.316 km WSW of Nikolski, AlaskaThu, Jun 18, 8:03 AM AKDT · 2295 days ago · 98 km deep · 92 km away
36. 2.1137 km S of Unalaska, AlaskaThu, Jun 18, 9:28 AM AKDT · 2295 days ago · 5 km deep · 76 km away
37. 4.1122 km SSW of Unalaska, AlaskaThu, Jun 18, 6:29 PM AKDT · 2295 days ago · 41 km deep · 60 km away
38. 1.863 km SW of Unalaska, AlaskaThu, Jun 18, 6:49 PM AKDT · 2295 days ago · 5 km deep · 59 km away
39. 2.5135 km S of Unalaska, AlaskaThu, Jun 18, 6:50 PM AKDT · 2295 days ago · 35 km deep · 77 km away
40. 1.895 km E of Nikolski, AlaskaThu, Jun 18, 8:58 PM AKDT · 2295 days ago · 46 km deep · 24 km away
41. 1.9100 km E of Nikolski, AlaskaThu, Jun 18, 11:44 PM AKDT · 2295 days ago · 26 km deep · 32 km away
42. 1.898 km E of Nikolski, AlaskaThu, Jun 18, 11:49 PM AKDT · 2295 days ago · 22 km deep · 29 km away
43. 2.0133 km S of Unalaska, AlaskaSat, Jun 20, 1:51 AM AKDT · 2294 days ago · 1 km deep · 88 km away
44. 1.598 km E of Nikolski, AlaskaTue, Jun 23, 5:37 AM AKDT · 2291 days ago · 9 km deep · 24 km away
45. 2.595 km SE of Nikolski, AlaskaWed, Jun 24, 8:14 PM AKDT · 2289 days ago · 10 km deep · 84 km away
46. 1.556 km SW of Unalaska, AlaskaThu, Jun 25, 7:42 AM AKDT · 2288 days ago · 13 km deep · 64 km away
47. 3.672 km SW of Unalaska, AlaskaThu, Jun 25, 9:14 PM AKDT · 2288 days ago · 74 km deep · 50 km away
48. 2.067 km SW of Unalaska, AlaskaFri, Jun 26, 2:34 AM AKDT · 2288 days ago · 55 km deep · 57 km away
49. 1.629 km SSW of Unalaska, AlaskaFri, Jun 26, 5:32 PM AKDT · 2287 days ago · 86 km deep · 97 km away
50. 2.079 km S of Unalaska, AlaskaMon, Jun 29, 12:14 AM AKDT · 2285 days ago · 25 km deep · 76 km away
51. 2.532 km ESE of Nikolski, AlaskaTue, Jun 30, 9:43 AM AKDT · 2283 days ago · 35 km deep · 53 km away
52. 2.758 km SE of Nikolski, AlaskaWed, Jul 1, 1:06 PM AKDT · 2282 days ago · 35 km deep · 53 km away

Before

1. 2.181 km SSW of Unalaska, AlaskaSat, May 2, 6:40 PM AKDT · 2342 days ago · 45 km deep · 59 km away
2. 1.859 km ENE of Nikolski, AlaskaFri, May 1, 5:47 AM AKDT · 2344 days ago · 99 km deep · 16 km away
3. 2.785 km SSW of Unalaska, AlaskaThu, Apr 30, 4:01 AM AKDT · 2345 days ago · 35 km deep · 60 km away
4. 3.759 km S of Unalaska, AlaskaMon, Apr 27, 10:21 AM AKDT · 2347 days ago · 95 km deep · 90 km away
5. 3.593 km E of Nikolski, AlaskaSun, Apr 26, 3:43 PM AKDT · 2348 days ago · 29 km deep · 25 km away
6. 3.792 km ESE of Nikolski, AlaskaSun, Apr 26, 2:09 PM AKDT · 2348 days ago · 35 km deep · 38 km away
7. 3.1Fox Islands, Aleutian Islands, AlaskaSun, Apr 26, 10:28 AM AKDT · 2348 days ago · 7 km deep · 79 km away
8. 1.885 km SSW of Unalaska, AlaskaTue, Apr 21, 8:08 PM AKDT · 2353 days ago · 36 km deep · 55 km away
9. 1.676 km SW of Unalaska, AlaskaMon, Apr 20, 10:25 PM AKDT · 2354 days ago · 13 km deep · 44 km away
10. 1.9101 km E of Nikolski, AlaskaSun, Apr 19, 11:50 AM AKDT · 2355 days ago · 12 km deep · 30 km away
11. 1.648 km SW of Unalaska, AlaskaWed, Apr 15, 10:46 PM AKDT · 2359 days ago · 14 km deep · 72 km away
12. 2.181 km SSW of Unalaska, AlaskaWed, Apr 15, 3:08 PM AKDT · 2359 days ago · 33 km deep · 62 km away
13. 2.887 km ENE of Nikolski, AlaskaTue, Apr 14, 3:14 AM AKDT · 2361 days ago · 63 km deep · 26 km away
14. 1.9114 km SSW of Unalaska, AlaskaSun, Apr 12, 1:05 AM AKDT · 2363 days ago · 26 km deep · 51 km away
15. 3.581 km SW of Unalaska, AlaskaFri, Apr 10, 11:06 PM AKDT · 2364 days ago · 70 km deep · 40 km away
16. 1.879 km S of Unalaska, AlaskaWed, Apr 8, 2:00 PM AKDT · 2366 days ago · 20 km deep · 81 km away
17. 2.1Fox Islands, Aleutian Islands, AlaskaWed, Apr 8, 1:37 AM AKDT · 2367 days ago · 7 km deep · 65 km away
18. 3.273 km SW of Unalaska, AlaskaTue, Apr 7, 5:57 PM AKDT · 2367 days ago · 8 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event us70009cee (also filed as ak0205r27tly). Read Thu, Oct 1, 2026, 2:10 AM UTC.