M1.6 earthquake 61 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, Feb 26, 2018, 9:22 AM HAST

UTC

2018-02-26 19:22:41 UTC

Depth

8.5 km (5.3 mi), shallow

Epicenter

51.785° N, 177.513° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 1.5 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

166°

Stations used

6

After

1. 2.1119 km SW of Adak, AlaskaMon, Feb 26, 12:00 PM HAST · 3139 days ago · 3 km deep · 69 km away
2. 2.250 km SSE of Adak, AlaskaMon, Feb 26, 1:46 PM HAST · 3139 days ago · 15 km deep · 82 km away
3. 2.7151 km WSW of Adak, AlaskaTue, Feb 27, 9:12 AM HAST · 3139 days ago · 35 km deep · 96 km away
4. 3.7131 km WSW of Adak, AlaskaTue, Feb 27, 8:43 PM HAST · 3138 days ago · 16 km deep · 72 km away
5. 1.927 km S of Adak, AlaskaWed, Feb 28, 3:12 PM HAST · 3137 days ago · 54 km deep · 67 km away
6. 1.934 km SSW of Adak, AlaskaThu, Mar 1, 1:12 AM HAST · 3137 days ago · 13 km deep · 47 km away
7. 2.022 km WSW of Adak, AlaskaThu, Mar 1, 11:01 PM HAST · 3136 days ago · 69 km deep · 39 km away
8. 1.866 km SSW of Adak, AlaskaFri, Mar 2, 2:24 AM HAST · 3136 days ago · 21 km deep · 67 km away
9. 1.8126 km WSW of Adak, AlaskaFri, Mar 2, 2:36 AM HAST · 3136 days ago · 13 km deep · 65 km away
10. 1.9128 km W of Adak, AlaskaFri, Mar 2, 7:21 AM HAST · 3136 days ago · 16 km deep · 67 km away
11. 1.8127 km W of Adak, AlaskaFri, Mar 2, 7:22 AM HAST · 3136 days ago · 22 km deep · 67 km away
12. 1.857 km S of Adak, AlaskaSat, Mar 3, 2:06 AM HAST · 3135 days ago · 23 km deep · 83 km away
13. 2.083 km WSW of Adak, AlaskaSat, Mar 3, 3:19 AM HAST · 3135 days ago · 44 km deep · 25 km away
14. 3.0117 km WSW of Adak, AlaskaSat, Mar 3, 6:18 AM HAST · 3135 days ago · 19 km deep · 57 km away
15. 2.1136 km WSW of Adak, AlaskaSat, Mar 3, 2:51 PM HAST · 3134 days ago · 26 km deep · 79 km away
16. 2.240 km SE of Adak, AlaskaSat, Mar 3, 10:49 PM HAST · 3134 days ago · 52 km deep · 93 km away
17. 2.7127 km WSW of Adak, AlaskaSat, Mar 3, 11:03 PM HAST · 3134 days ago · 16 km deep · 67 km away
18. 2.3123 km WSW of Adak, AlaskaSun, Mar 4, 1:32 AM HAST · 3134 days ago · 9 km deep · 62 km away
19. 2.255 km S of Adak, AlaskaSun, Mar 4, 2:58 AM HAST · 3134 days ago · 24 km deep · 77 km away
20. 2.1156 km WSW of Adak, AlaskaSun, Mar 4, 4:29 AM HAST · 3134 days ago · 53 km deep · 98 km away
21. 2.1131 km W of Adak, AlaskaSun, Mar 4, 9:01 AM HAST · 3134 days ago · 13 km deep · 70 km away
22. 2.341 km ESE of Adak, AlaskaSun, Mar 4, 12:27 PM HAST · 3133 days ago · 51 km deep · 97 km away
23. 1.7122 km WSW of Adak, AlaskaSun, Mar 4, 9:11 PM HAST · 3133 days ago · 13 km deep · 61 km away
24. 2.533 km NNW of Adak, AlaskaSun, Mar 4, 11:34 PM HAST · 3133 days ago · 164 km deep · 61 km away
25. 1.625 km NE of Adak, AlaskaMon, Mar 5, 8:22 AM HAST · 3133 days ago · 7 km deep · 84 km away
26. 1.9129 km WSW of Adak, AlaskaMon, Mar 5, 1:54 PM HAST · 3132 days ago · 43 km deep · 70 km away
27. 4.3148 km WSW of Adak, AlaskaTue, Mar 6, 1:17 PM HAST · 3131 days ago · 35 km deep · 94 km away
28. 2.8Andreanof Islands, Aleutian Islands, AlaskaTue, Mar 6, 4:28 PM HAST · 3131 days ago · 34 km deep · 83 km away
29. 2.4136 km WSW of Adak, AlaskaTue, Mar 6, 5:59 PM HAST · 3131 days ago · 6 km deep · 76 km away
30. 2.0127 km W of Adak, AlaskaWed, Mar 7, 3:36 AM HAST · 3131 days ago · 1 km deep · 66 km away
31. 2.6128 km WSW of Adak, AlaskaWed, Mar 7, 4:06 AM HAST · 3131 days ago · 21 km deep · 67 km away
32. 2.4131 km WSW of Adak, AlaskaWed, Mar 7, 7:30 AM HAST · 3131 days ago · 16 km deep · 73 km away
33. 4.6111 km SW of Adak, AlaskaWed, Mar 7, 5:10 PM HAST · 3130 days ago · 48 km deep · 69 km away
34. 2.4130 km W of Adak, AlaskaThu, Mar 8, 2:35 AM HAST · 3130 days ago · 15 km deep · 69 km away
35. 3.3142 km WSW of Adak, AlaskaFri, Mar 9, 6:25 AM HAST · 3129 days ago · 35 km deep · 86 km away
36. 2.8108 km SW of Adak, AlaskaSat, Mar 10, 1:31 AM HAST · 3128 days ago · 53 km deep · 60 km away
37. 2.536 km S of Adak, AlaskaSat, Mar 10, 2:08 AM HAST · 3128 days ago · 56 km deep · 71 km away
38. 2.2128 km WSW of Adak, AlaskaSat, Mar 10, 2:47 AM HAST · 3128 days ago · 37 km deep · 72 km away
39. 1.9113 km WSW of Adak, AlaskaSat, Mar 10, 5:16 AM HAST · 3128 days ago · 13 km deep · 56 km away
40. 2.136 km S of Adak, AlaskaSat, Mar 10, 8:39 AM HAST · 3128 days ago · 40 km deep · 69 km away
41. 1.6130 km W of Adak, AlaskaMon, Mar 12, 2:20 AM HADT · 3126 days ago · 5 km deep · 69 km away
42. 3.938 km SSW of Adak, AlaskaMon, Mar 12, 1:38 PM HADT · 3125 days ago · 34 km deep · 51 km away
43. 2.1127 km WSW of Adak, AlaskaMon, Mar 12, 5:51 PM HADT · 3125 days ago · 12 km deep · 66 km away
44. 2.243 km SSE of Adak, AlaskaMon, Mar 12, 6:19 PM HADT · 3125 days ago · 26 km deep · 85 km away
45. 2.218 km NNW of Adak, AlaskaMon, Mar 12, 7:04 PM HADT · 3125 days ago · 89 km deep · 60 km away
46. 1.99 km NNW of Adak, AlaskaMon, Mar 12, 9:16 PM HADT · 3125 days ago · 7 km deep · 60 km away
47. 2.126 km SE of Adak, AlaskaMon, Mar 12, 10:10 PM HADT · 3125 days ago · 60 km deep · 79 km away
48. 1.749 km SW of Adak, AlaskaTue, Mar 13, 1:11 AM HADT · 3125 days ago · 45 km deep · 43 km away
49. 1.9122 km WSW of Adak, AlaskaTue, Mar 13, 2:47 AM HADT · 3125 days ago · 54 km deep · 61 km away
50. 2.7116 km SW of Adak, AlaskaTue, Mar 13, 9:26 AM HADT · 3125 days ago · 38 km deep · 76 km away
51. 1.5126 km WSW of Adak, AlaskaTue, Mar 13, 1:42 PM HADT · 3124 days ago · 22 km deep · 65 km away
52. 1.764 km SSW of Adak, AlaskaTue, Mar 13, 1:49 PM HADT · 3124 days ago · 47 km deep · 68 km away
53. 2.0127 km W of Adak, AlaskaTue, Mar 13, 6:23 PM HADT · 3124 days ago · 14 km deep · 66 km away
54. 1.839 km SSW of Adak, AlaskaTue, Mar 13, 8:40 PM HADT · 3124 days ago · 45 km deep · 54 km away
55. 1.873 km WSW of Adak, AlaskaTue, Mar 13, 10:52 PM HADT · 3124 days ago · 43 km deep · 20 km away
56. 1.8125 km W of Adak, AlaskaWed, Mar 14, 12:43 AM HADT · 3124 days ago · 15 km deep · 64 km away
57. 1.7129 km WSW of Adak, AlaskaWed, Mar 14, 2:10 AM HADT · 3124 days ago · 11 km deep · 68 km away
58. 2.460 km SSW of Adak, AlaskaWed, Mar 14, 5:48 PM HADT · 3123 days ago · 28 km deep · 68 km away
59. 1.9124 km W of Adak, AlaskaWed, Mar 14, 8:35 PM HADT · 3123 days ago · 18 km deep · 63 km away
60. 1.970 km SSE of Adak, AlaskaThu, Mar 15, 3:04 AM HADT · 3123 days ago · 21 km deep · 96 km away

The first 60 of 148.

Before

1. 1.9133 km WSW of Adak, AlaskaMon, Feb 26, 7:11 AM HAST · 3140 days ago · 21 km deep · 78 km away
2. 2.261 km W of Adak, AlaskaMon, Feb 26, 1:42 AM HAST · 3140 days ago · 84 km deep · 21 km away
3. 2.239 km WSW of Adak, AlaskaSun, Feb 25, 11:32 PM HAST · 3140 days ago · 79 km deep · 22 km away
4. 2.894 km W of Adak, AlaskaSun, Feb 25, 1:45 PM HAST · 3140 days ago · 112 km deep · 37 km away
5. 2.7102 km SW of Adak, AlaskaSun, Feb 25, 11:43 AM HAST · 3141 days ago · 26 km deep · 59 km away
6. 2.674 km WSW of Adak, AlaskaSun, Feb 25, 11:11 AM HAST · 3141 days ago · 45 km deep · 27 km away
7. 2.5128 km WSW of Adak, AlaskaSat, Feb 24, 9:25 AM HAST · 3142 days ago · 21 km deep · 68 km away
8. 2.2122 km W of Adak, AlaskaSat, Feb 24, 9:01 AM HAST · 3142 days ago · 12 km deep · 61 km away
9. 3.7111 km SW of Adak, AlaskaFri, Feb 23, 10:54 PM HAST · 3142 days ago · 40 km deep · 63 km away
10. 2.2120 km WSW of Adak, AlaskaFri, Feb 23, 8:54 PM HAST · 3142 days ago · 13 km deep · 65 km away
11. 2.343 km S of Adak, AlaskaFri, Feb 23, 3:21 AM HAST · 3143 days ago · 40 km deep · 65 km away
12. 2.1122 km WSW of Adak, AlaskaWed, Feb 21, 10:30 PM HAST · 3144 days ago · 38 km deep · 70 km away
13. 2.4110 km SW of Adak, AlaskaWed, Feb 21, 12:55 AM HAST · 3145 days ago · 52 km deep · 63 km away
14. 1.988 km WSW of Adak, AlaskaTue, Feb 20, 12:20 PM HAST · 3145 days ago · 13 km deep · 36 km away
15. 2.1128 km W of Adak, AlaskaMon, Feb 19, 2:36 PM HAST · 3146 days ago · 18 km deep · 67 km away
16. 1.8112 km SW of Adak, AlaskaSun, Feb 18, 2:05 AM HAST · 3148 days ago · 33 km deep · 66 km away
17. 2.0125 km W of Adak, AlaskaSat, Feb 17, 4:28 AM HAST · 3149 days ago · 16 km deep · 64 km away
18. 2.5124 km SW of Adak, AlaskaSat, Feb 17, 2:12 AM HAST · 3149 days ago · 31 km deep · 81 km away
19. 2.451 km SE of Adak, AlaskaFri, Feb 16, 12:42 PM HAST · 3149 days ago · 35 km deep · 96 km away
20. 1.8124 km W of Adak, AlaskaFri, Feb 16, 3:26 AM HAST · 3150 days ago · 7 km deep · 63 km away

From the USGS Earthquake Hazards Program and its partner networks, event av61668431. Read Fri, Oct 2, 2026, 9:17 AM UTC.