M2.5 earthquake 81 km SE of Unalaska, Alaska

Magnitude

2.5 (ml), micro

Local time

Tue, Feb 20, 2024, 7:52 PM AKST

UTC

2024-02-21 04:52:08 UTC

Depth

35.0 km (21.7 mi), shallow

Epicenter

53.377° N, 165.639° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.2 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.15

Depth from

Operator assigned

Station coverage gap

220°, poorly surrounded by stations

Stations used

23

• Unalaska, AlaskaPopulation 4,491. Forecast81 kmSE

After

1. 1.910 km SE of Unalaska, AlaskaWed, Feb 21, 11:54 PM AKST · 951 days ago · 63 km deep · 71 km away
2. 2.180 km SSE of Akutan, AlaskaThu, Feb 22, 3:57 AM AKST · 950 days ago · 49 km deep · 32 km away
3. 2.049 km SW of Unalaska, AlaskaThu, Feb 22, 2:05 PM AKST · 950 days ago · 13 km deep · 96 km away
4. 1.849 km SW of Unalaska, AlaskaThu, Feb 22, 2:18 PM AKST · 950 days ago · 16 km deep · 95 km away
5. 1.821 km SSW of Akutan, AlaskaThu, Feb 22, 4:11 PM AKST · 950 days ago · 7 km deep · 69 km away
6. 1.915 km WSW of Akutan, AlaskaThu, Feb 22, 4:11 PM AKST · 950 days ago · 20 km deep · 83 km away
7. 1.615 km W of Akutan, AlaskaSat, Feb 24, 4:05 PM AKST · 948 days ago · 19 km deep · 85 km away
8. 1.815 km WNW of Akutan, AlaskaSat, Feb 24, 4:07 PM AKST · 948 days ago · 11 km deep · 91 km away
9. 2.523 km E of Akutan, AlaskaSat, Feb 24, 7:33 PM AKST · 948 days ago · 85 km deep · 86 km away
10. 2.114 km SSW of Unalaska, AlaskaSat, Feb 24, 10:54 PM AKST · 948 days ago · 76 km deep · 76 km away
11. 1.981 km SSE of Unalaska, AlaskaSun, Feb 25, 8:44 AM AKST · 947 days ago · 18 km deep · 31 km away
12. 2.732 km ESE of Unalaska, AlaskaMon, Feb 26, 8:39 AM AKST · 946 days ago · 70 km deep · 55 km away
13. 2.137 km SSE of Akutan, AlaskaMon, Feb 26, 4:22 PM AKST · 946 days ago · 57 km deep · 50 km away
14. 2.690 km SE of Unalaska, AlaskaTue, Feb 27, 8:06 AM AKST · 945 days ago · 31 km deep · 11 km away
15. 2.46 km NE of Dutch Harbor, AlaskaTue, Feb 27, 1:31 PM AKST · 945 days ago · 94 km deep · 82 km away
16. 1.952 km SSE of Akutan, AlaskaTue, Feb 27, 1:55 PM AKST · 945 days ago · 8 km deep · 44 km away
17. 2.022 km ESE of Unalaska, AlaskaTue, Feb 27, 8:32 PM AKST · 945 days ago · 82 km deep · 59 km away
18. 3.258 km SE of Unalaska, AlaskaWed, Feb 28, 8:28 PM AKST · 944 days ago · 35 km deep · 22 km away
19. 2.330 km ESE of Akutan, AlaskaThu, Feb 29, 1:09 PM AKST · 943 days ago · 98 km deep · 76 km away
20. 2.1127 km S of Unalaska, AlaskaFri, Mar 1, 4:39 AM AKST · 942 days ago · 8 km deep · 99 km away
21. 2.1132 km S of Unalaska, AlaskaFri, Mar 1, 4:53 AM AKST · 942 days ago · 20 km deep · 100 km away
22. 2.494 km ESE of Akutan, AlaskaSat, Mar 2, 12:13 PM AKST · 941 days ago · 35 km deep · 84 km away
23. 2.035 km E of Akutan, AlaskaSat, Mar 2, 3:06 PM AKST · 941 days ago · 68 km deep · 82 km away
24. 1.941 km S of Unalaska, AlaskaSat, Mar 2, 11:10 PM AKST · 941 days ago · 58 km deep · 65 km away
25. 2.642 km ESE of Unalaska, AlaskaMon, Mar 4, 12:27 AM AKST · 940 days ago · 35 km deep · 45 km away
26. 1.88 km SW of Unalaska, AlaskaMon, Mar 4, 8:56 AM AKST · 939 days ago · 71 km deep · 80 km away
27. 1.631 km SE of Unalaska, AlaskaMon, Mar 4, 9:13 AM AKST · 939 days ago · 44 km deep · 50 km away
28. 2.5107 km ESE of Akutan, AlaskaTue, Mar 5, 9:10 AM AKST · 938 days ago · 35 km deep · 99 km away
29. 1.99 km E of Unalaska, AlaskaTue, Mar 5, 1:18 PM AKST · 938 days ago · 84 km deep · 74 km away
30. 2.089 km ESE of Akutan, AlaskaTue, Mar 5, 1:46 PM AKST · 938 days ago · 49 km deep · 87 km away
31. 1.939 km SE of Unalaska, AlaskaWed, Mar 6, 3:16 AM AKST · 938 days ago · 44 km deep · 43 km away
32. 2.078 km SSE of Akutan, AlaskaThu, Mar 7, 7:51 PM AKST · 936 days ago · 13 km deep · 21 km away
33. 1.877 km SSE of Akutan, AlaskaFri, Mar 8, 3:56 AM AKST · 935 days ago · 63 km deep · 39 km away
34. 1.959 km SSE of Unalaska, AlaskaFri, Mar 8, 7:07 PM AKST · 935 days ago · 50 km deep · 27 km away
35. 1.772 km SE of Unalaska, AlaskaSat, Mar 9, 7:52 AM AKST · 934 days ago · 25 km deep · 9 km away
36. 2.120 km SSW of Unalaska, AlaskaSat, Mar 9, 10:14 AM AKST · 934 days ago · 81 km deep · 79 km away
37. 2.579 km SSE of Akutan, AlaskaSat, Mar 9, 9:15 PM AKST · 934 days ago · 30 km deep · 32 km away
38. 2.370 km SSE of Akutan, AlaskaSun, Mar 10, 7:59 AM AKDT · 933 days ago · 36 km deep · 21 km away
39. 2.187 km SE of Unalaska, AlaskaMon, Mar 11, 6:06 PM AKDT · 932 days ago · 24 km deep · 9 km away
40. 2.2101 km SSE of Unalaska, AlaskaTue, Mar 12, 5:57 PM AKDT · 931 days ago · 2 km deep · 52 km away
41. 1.749 km ESE of Unalaska, AlaskaTue, Mar 12, 11:14 PM AKDT · 931 days ago · 29 km deep · 37 km away
42. 1.769 km SSE of Unalaska, AlaskaWed, Mar 13, 9:51 AM AKDT · 930 days ago · 29 km deep · 43 km away
43. 1.829 km ESE of Unalaska, AlaskaThu, Mar 14, 8:55 AM AKDT · 929 days ago · 73 km deep · 52 km away
44. 2.0125 km S of Unalaska, AlaskaThu, Mar 14, 12:28 PM AKDT · 929 days ago · 14 km deep · 98 km away
45. 2.375 km SSE of Akutan, AlaskaThu, Mar 14, 6:18 PM AKDT · 929 days ago · 50 km deep · 30 km away
46. 2.815 km WSW of Unalaska, AlaskaFri, Mar 15, 5:59 AM AKDT · 928 days ago · 87 km deep · 90 km away
47. 1.873 km SSW of Unalaska, AlaskaFri, Mar 15, 1:40 PM AKDT · 928 days ago · 45 km deep · 81 km away
48. 2.143 km S of Akutan, AlaskaFri, Mar 15, 8:10 PM AKDT · 928 days ago · 59 km deep · 41 km away
49. 2.0117 km S of Unalaska, AlaskaSat, Mar 16, 7:54 PM AKDT · 927 days ago · 1 km deep · 94 km away
50. 2.1131 km S of Unalaska, AlaskaSat, Mar 16, 10:45 PM AKDT · 927 days ago · 7 km deep · 100 km away
51. 3.999 km S of Unalaska, AlaskaSun, Mar 17, 3:22 AM AKDT · 927 days ago · 43 km deep · 87 km away
52. 1.9121 km S of Unalaska, AlaskaSun, Mar 17, 3:25 AM AKDT · 927 days ago · 7 km deep · 97 km away
53. 1.9118 km S of Unalaska, AlaskaSun, Mar 17, 3:35 AM AKDT · 927 days ago · 2 km deep · 95 km away
54. 2.982 km SSW of Unalaska, AlaskaSun, Mar 17, 9:48 AM AKDT · 926 days ago · 35 km deep · 82 km away
55. 1.53 km WSW of Dutch Harbor, AlaskaMon, Mar 18, 6:30 PM AKDT · 925 days ago · 3 km deep · 84 km away
56. 2.034 km SSW of Unalaska, AlaskaMon, Mar 18, 7:21 PM AKDT · 925 days ago · 67 km deep · 77 km away
57. 2.895 km SSE of Akutan, AlaskaTue, Mar 19, 2:55 AM AKDT · 925 days ago · 35 km deep · 26 km away
58. 2.18 km ESE of Unalaska, AlaskaTue, Mar 19, 10:30 AM AKDT · 924 days ago · 81 km deep · 73 km away
59. 2.846 km SE of Akutan, AlaskaWed, Mar 20, 5:49 AM AKDT · 923 days ago · 64 km deep · 65 km away
60. 2.969 km ESE of Akutan, AlaskaThu, Mar 21, 5:26 AM AKDT · 922 days ago · 69 km deep · 90 km away

The first 60 of 133.

Before

1. 2.0115 km S of Unalaska, AlaskaTue, Feb 20, 11:29 AM AKST · 952 days ago · 21 km deep · 98 km away
2. 1.9110 km S of Unalaska, AlaskaTue, Feb 20, 11:15 AM AKST · 952 days ago · 4 km deep · 91 km away
3. 2.7125 km S of Unalaska, AlaskaTue, Feb 20, 5:42 AM AKST · 952 days ago · 9 km deep · 95 km away
4. 2.06 km NE of Akutan, AlaskaMon, Feb 19, 2:54 AM AKST · 954 days ago · 108 km deep · 88 km away
5. 4.3121 km S of Unalaska, AlaskaSun, Feb 18, 10:04 PM AKST · 954 days ago · 28 km deep · 97 km away
6. 1.871 km SE of Unalaska, AlaskaSun, Feb 18, 6:23 PM AKST · 954 days ago · 24 km deep · 12 km away
7. 2.069 km SE of Unalaska, AlaskaSun, Feb 18, 12:11 PM AKST · 954 days ago · 29 km deep · 13 km away
8. 1.854 km SE of Unalaska, AlaskaSun, Feb 18, 6:13 AM AKST · 954 days ago · 47 km deep · 27 km away
9. 2.087 km SE of Akutan, AlaskaSat, Feb 17, 9:34 PM AKST · 955 days ago · 37 km deep · 70 km away
10. 3.090 km SE of Unalaska, AlaskaFri, Feb 16, 8:33 PM AKST · 956 days ago · 35 km deep · 13 km away
11. 2.373 km SE of Akutan, AlaskaWed, Feb 14, 4:56 PM AKST · 958 days ago · 33 km deep · 52 km away
12. 2.916 km SSW of Unalaska, AlaskaMon, Feb 12, 6:46 PM AKST · 960 days ago · 102 km deep · 78 km away
13. 2.799 km SE of Akutan, AlaskaMon, Feb 12, 11:09 AM AKST · 960 days ago · 35 km deep · 74 km away
14. 1.713 km WSW of Akutan, AlaskaMon, Feb 12, 4:50 AM AKST · 960 days ago · 21 km deep · 80 km away
15. 2.1102 km ESE of Akutan, AlaskaMon, Feb 12, 1:41 AM AKST · 961 days ago · 5 km deep · 85 km away
16. 2.113 km SSW of Unalaska, AlaskaSun, Feb 11, 11:21 PM AKST · 961 days ago · 81 km deep · 77 km away
17. 2.950 km SW of Unalaska, AlaskaSun, Feb 11, 7:16 AM AKST · 961 days ago · 75 km deep · 90 km away
18. 2.027 km S of Akutan, AlaskaSat, Feb 10, 10:49 PM AKST · 962 days ago · 70 km deep · 57 km away
19. 1.651 km SW of Unalaska, AlaskaSat, Feb 10, 8:26 PM AKST · 962 days ago · 13 km deep · 98 km away
20. 1.823 km WSW of Dutch Harbor, AlaskaSat, Feb 10, 8:47 AM AKST · 962 days ago · 5 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event us7000m4ny (also filed as ak0242e2mxuu). Read Wed, Sep 30, 2026, 12:13 AM UTC.