M1.7 earthquake 93 km W of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Wed, Feb 21, 2024, 5:03 AM HAST

UTC

2024-02-21 15:03:21 UTC

Depth

3.1 km (2.0 mi), shallow

Epicenter

51.860° N, 177.995° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.7 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

104°

Stations used

6

After

1. 2.065 km SSW of Adak, AlaskaFri, Feb 23, 2:27 AM HAST · 952 days ago · 33 km deep · 90 km away
2. 2.655 km WNW of Adak, AlaskaFri, Feb 23, 11:06 AM HAST · 951 days ago · 90 km deep · 44 km away
3. 2.159 km WSW of Adak, AlaskaFri, Feb 23, 4:31 PM HAST · 951 days ago · 62 km deep · 52 km away
4. 2.090 km WSW of Adak, AlaskaFri, Feb 23, 5:33 PM HAST · 951 days ago · 70 km deep · 40 km away
5. 2.6134 km WSW of Adak, AlaskaFri, Feb 23, 6:24 PM HAST · 951 days ago · 31 km deep · 59 km away
6. 1.671 km WSW of Adak, AlaskaSat, Feb 24, 9:33 AM HAST · 950 days ago · 36 km deep · 50 km away
7. 2.174 km SW of Adak, AlaskaSat, Feb 24, 12:44 PM HAST · 950 days ago · 35 km deep · 59 km away
8. 1.614 km N of Adak, AlaskaMon, Feb 26, 12:40 AM HAST · 949 days ago · 13 km deep · 94 km away
9. 2.3148 km WSW of Adak, AlaskaMon, Feb 26, 9:29 AM HAST · 948 days ago · 23 km deep · 83 km away
10. 2.1142 km WSW of Adak, AlaskaTue, Feb 27, 3:54 AM HAST · 947 days ago · 13 km deep · 58 km away
11. 3.2111 km WSW of Adak, AlaskaTue, Feb 27, 1:47 PM HAST · 947 days ago · 10 km deep · 44 km away
12. 2.2127 km WSW of Adak, AlaskaTue, Feb 27, 2:51 PM HAST · 947 days ago · 24 km deep · 67 km away
13. 2.1150 km WSW of Adak, AlaskaWed, Feb 28, 6:50 AM HAST · 946 days ago · 11 km deep · 69 km away
14. 2.5161 km WSW of Adak, AlaskaWed, Feb 28, 7:06 AM HAST · 946 days ago · 30 km deep · 75 km away
15. 3.544 km SW of Adak, AlaskaWed, Feb 28, 10:45 PM HAST · 946 days ago · 71 km deep · 73 km away
16. 2.7153 km WSW of Adak, AlaskaThu, Feb 29, 10:35 AM HAST · 945 days ago · 20 km deep · 71 km away
17. 2.698 km SW of Adak, AlaskaThu, Feb 29, 10:50 AM HAST · 945 days ago · 35 km deep · 68 km away
18. 1.944 km S of Adak, AlaskaThu, Feb 29, 11:53 AM HAST · 945 days ago · 33 km deep · 96 km away
19. 2.5188 km W of Adak, AlaskaThu, Feb 29, 10:28 PM HAST · 945 days ago · 10 km deep · 96 km away
20. 3.1129 km WSW of Adak, AlaskaFri, Mar 1, 5:49 AM HAST · 944 days ago · 35 km deep · 70 km away
21. 2.1130 km WSW of Adak, AlaskaFri, Mar 1, 6:10 AM HAST · 944 days ago · 26 km deep · 66 km away
22. 2.0168 km WSW of Adak, AlaskaFri, Mar 1, 3:24 PM HAST · 944 days ago · 20 km deep · 93 km away
23. 1.963 km SSW of Adak, AlaskaFri, Mar 1, 5:59 PM HAST · 944 days ago · 45 km deep · 87 km away
24. 1.647 km WSW of Adak, AlaskaFri, Mar 1, 7:07 PM HAST · 944 days ago · 14 km deep · 48 km away
25. 2.0127 km WSW of Adak, AlaskaSat, Mar 2, 3:49 PM HAST · 943 days ago · 20 km deep · 60 km away
26. 1.868 km SW of Adak, AlaskaSat, Mar 2, 4:04 PM HAST · 943 days ago · 41 km deep · 52 km away
27. 2.770 km WSW of Adak, AlaskaSun, Mar 3, 8:20 AM HAST · 942 days ago · 76 km deep · 36 km away
28. 2.3102 km SW of Adak, AlaskaMon, Mar 4, 3:52 AM HAST · 941 days ago · 40 km deep · 66 km away
29. 3.061 km SSW of Adak, AlaskaMon, Mar 4, 4:17 AM HAST · 941 days ago · 35 km deep · 85 km away
30. 2.5186 km W of Adak, AlaskaTue, Mar 5, 2:04 AM HAST · 941 days ago · 134 km deep · 92 km away
31. 2.1110 km WSW of Adak, AlaskaTue, Mar 5, 8:58 AM HAST · 940 days ago · 38 km deep · 49 km away
32. 2.7134 km WSW of Adak, AlaskaTue, Mar 5, 9:15 PM HAST · 940 days ago · 83 km deep · 49 km away
33. 3.3164 km WSW of Adak, AlaskaWed, Mar 6, 12:15 AM HAST · 940 days ago · 55 km deep · 86 km away
34. 2.5133 km SW of Adak, AlaskaWed, Mar 6, 11:19 AM HAST · 939 days ago · 35 km deep · 77 km away
35. 2.167 km SW of Adak, AlaskaWed, Mar 6, 9:32 PM HAST · 939 days ago · 39 km deep · 60 km away
36. 1.856 km SSW of Adak, AlaskaThu, Mar 7, 2:46 AM HAST · 939 days ago · 37 km deep · 89 km away
37. 2.573 km SW of Adak, AlaskaThu, Mar 7, 4:55 AM HAST · 938 days ago · 35 km deep · 70 km away
38. 1.690 km W of Adak, AlaskaThu, Mar 7, 9:27 AM HAST · 938 days ago · 6 km deep · 3 km away
39. 2.151 km WSW of Adak, AlaskaFri, Mar 8, 8:09 AM HAST · 937 days ago · 62 km deep · 44 km away
40. 3.041 km S of Adak, AlaskaFri, Mar 8, 2:07 PM HAST · 937 days ago · 53 km deep · 97 km away
41. 3.0176 km WSW of Adak, AlaskaFri, Mar 8, 11:19 PM HAST · 937 days ago · 48 km deep · 94 km away
42. 2.073 km WSW of Adak, AlaskaSat, Mar 9, 2:59 AM HAST · 937 days ago · 29 km deep · 48 km away
43. 2.446 km W of Adak, AlaskaSat, Mar 9, 6:01 AM HAST · 936 days ago · 124 km deep · 47 km away
44. 2.174 km SW of Adak, AlaskaSat, Mar 9, 11:02 AM HAST · 936 days ago · 40 km deep · 54 km away
45. 2.090 km WSW of Adak, AlaskaSat, Mar 9, 1:32 PM HAST · 936 days ago · 13 km deep · 42 km away
46. 2.8171 km W of Adak, AlaskaSat, Mar 9, 3:58 PM HAST · 936 days ago · 79 km deep · 80 km away
47. 3.148 km WSW of Adak, AlaskaSun, Mar 10, 4:31 AM HADT · 935 days ago · 76 km deep · 58 km away
48. 2.0168 km WSW of Adak, AlaskaSun, Mar 10, 10:47 AM HADT · 935 days ago · 19 km deep · 83 km away
49. 2.1123 km WSW of Adak, AlaskaSun, Mar 10, 7:21 PM HADT · 935 days ago · 25 km deep · 49 km away
50. 2.5135 km W of Adak, AlaskaMon, Mar 11, 7:29 AM HADT · 934 days ago · 157 km deep · 43 km away
51. 2.034 km SW of Adak, AlaskaWed, Mar 13, 12:28 AM HADT · 933 days ago · 62 km deep · 78 km away
52. 2.066 km SW of Adak, AlaskaWed, Mar 13, 12:52 AM HADT · 933 days ago · 38 km deep · 65 km away
53. 2.1137 km SW of Adak, AlaskaWed, Mar 13, 10:44 AM HADT · 932 days ago · 16 km deep · 84 km away
54. 1.792 km WSW of Adak, AlaskaWed, Mar 13, 9:54 PM HADT · 932 days ago · 30 km deep · 41 km away
55. 1.8113 km WSW of Adak, AlaskaThu, Mar 14, 12:37 AM HADT · 932 days ago · 25 km deep · 40 km away
56. 1.8110 km WSW of Adak, AlaskaThu, Mar 14, 2:17 AM HADT · 932 days ago · 21 km deep · 41 km away
57. 1.959 km WSW of Adak, AlaskaThu, Mar 14, 7:07 AM HADT · 931 days ago · 19 km deep · 51 km away
58. 2.9133 km SW of Adak, AlaskaThu, Mar 14, 10:04 AM HADT · 931 days ago · 14 km deep · 77 km away
59. 2.2123 km WSW of Adak, AlaskaFri, Mar 15, 8:15 AM HADT · 930 days ago · 25 km deep · 51 km away
60. 1.716 km WNW of Adak, AlaskaFri, Mar 15, 6:09 PM HADT · 930 days ago · 13 km deep · 78 km away

The first 60 of at least 202.

Before

1. 2.115 km S of Adak, AlaskaWed, Feb 21, 3:50 AM HAST · 953 days ago · 62 km deep · 96 km away
2. 2.0113 km SW of Adak, AlaskaTue, Feb 20, 11:10 AM HAST · 954 days ago · 16 km deep · 67 km away
3. 2.9144 km WSW of Adak, AlaskaMon, Feb 19, 11:47 PM HAST · 955 days ago · 35 km deep · 76 km away
4. 3.1148 km W of Adak, AlaskaMon, Feb 19, 9:45 AM HAST · 955 days ago · 126 km deep · 58 km away
5. 2.669 km SSW of Adak, AlaskaMon, Feb 19, 4:22 AM HAST · 955 days ago · 45 km deep · 89 km away
6. 3.3136 km WSW of Adak, AlaskaMon, Feb 19, 3:44 AM HAST · 955 days ago · 35 km deep · 71 km away
7. 1.687 km W of Adak, AlaskaSun, Feb 18, 2:12 PM HAST · 956 days ago · 6 km deep · 6 km away
8. 2.172 km W of Adak, AlaskaSun, Feb 18, 2:05 AM HAST · 957 days ago · 68 km deep · 24 km away
9. 1.757 km WSW of Adak, AlaskaSun, Feb 18, 12:57 AM HAST · 957 days ago · 24 km deep · 46 km away
10. 2.2141 km WSW of Adak, AlaskaSat, Feb 17, 3:39 AM HAST · 957 days ago · 23 km deep · 72 km away
11. 2.537 km SW of Adak, AlaskaFri, Feb 16, 11:29 AM HAST · 958 days ago · 71 km deep · 71 km away
12. 3.4163 km WSW of Adak, AlaskaThu, Feb 15, 1:11 PM HAST · 959 days ago · 31 km deep · 89 km away
13. 2.7151 km WSW of Adak, AlaskaThu, Feb 15, 4:17 AM HAST · 959 days ago · 10 km deep · 77 km away
14. 2.5149 km WSW of Adak, AlaskaThu, Feb 15, 4:05 AM HAST · 959 days ago · 22 km deep · 74 km away
15. 2.1147 km W of Adak, AlaskaThu, Feb 15, 3:24 AM HAST · 959 days ago · 13 km deep · 56 km away
16. 1.761 km SSW of Adak, AlaskaThu, Feb 15, 1:01 AM HAST · 960 days ago · 39 km deep · 90 km away
17. 2.578 km SW of Adak, AlaskaWed, Feb 14, 4:15 PM HAST · 960 days ago · 35 km deep · 66 km away
18. 1.5110 km WSW of Adak, AlaskaWed, Feb 14, 10:45 AM HAST · 960 days ago · 13 km deep · 36 km away
19. 1.911 km N of Adak, AlaskaWed, Feb 14, 7:29 AM HAST · 960 days ago · 107 km deep · 93 km away
20. 1.94 km ESE of Adak, AlaskaWed, Feb 14, 12:36 AM HAST · 961 days ago · 81 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event av92211291. Read Fri, Oct 2, 2026, 12:37 AM UTC.