M1.7 earthquake 151 km W of Adak, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Thu, Feb 8, 2018, 12:57 AM HAST

UTC

2018-02-08 10:57:39 UTC

Depth

16.0 km (9.9 mi), shallow

Epicenter

51.948° N, 178.839° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.4 km horizontally, 4.6 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

337°, poorly surrounded by stations

Stations used

5

After

1. 5.7204 km WNW of Adak, AlaskaThu, Feb 8, 1:04 AM HAST · 3158 days ago · 211 km deep · 81 km away · felt by 2 · tsunami flag
2. 1.7118 km WSW of Adak, AlaskaThu, Feb 8, 3:11 AM HAST · 3158 days ago · 40 km deep · 65 km away
3. 2.1125 km W of Adak, AlaskaThu, Feb 8, 3:18 AM HAST · 3158 days ago · 14 km deep · 41 km away
4. 2.8Andreanof Islands, Aleutian Islands, AlaskaThu, Feb 8, 5:13 AM HAST · 3158 days ago · 118 km deep · 56 km away
5. 2.0130 km WSW of Adak, AlaskaThu, Feb 8, 11:29 AM HAST · 3157 days ago · 13 km deep · 49 km away
6. 2.1234 km W of Adak, AlaskaThu, Feb 8, 11:56 AM HAST · 3157 days ago · 91 km deep · 85 km away
7. 2.493 km WSW of Adak, AlaskaThu, Feb 8, 1:20 PM HAST · 3157 days ago · 29 km deep · 79 km away
8. 2.1Andreanof Islands, Aleutian Islands, AlaskaThu, Feb 8, 4:10 PM HAST · 3157 days ago · 13 km deep · 30 km away
9. 2.0112 km WSW of Adak, AlaskaThu, Feb 8, 10:30 PM HAST · 3157 days ago · 15 km deep · 64 km away
10. 2.271 km WSW of Adak, AlaskaFri, Feb 9, 9:02 AM HAST · 3156 days ago · 80 km deep · 85 km away
11. 4.2236 km W of Adak, AlaskaFri, Feb 9, 5:09 PM HAST · 3156 days ago · 76 km deep · 89 km away
12. 3.0175 km W of Adak, AlaskaFri, Feb 9, 6:56 PM HAST · 3156 days ago · 236 km deep · 25 km away
13. 2.1134 km W of Adak, AlaskaFri, Feb 9, 9:08 PM HAST · 3156 days ago · 8 km deep · 34 km away
14. 1.9124 km W of Adak, AlaskaSat, Feb 10, 2:54 PM HAST · 3155 days ago · 16 km deep · 38 km away
15. 1.8171 km WSW of Adak, AlaskaSat, Feb 10, 3:43 PM HAST · 3155 days ago · 7 km deep · 57 km away
16. 1.8129 km WSW of Adak, AlaskaSat, Feb 10, 4:24 PM HAST · 3155 days ago · 14 km deep · 42 km away
17. 1.9128 km W of Adak, AlaskaSun, Feb 11, 7:38 AM HAST · 3154 days ago · 13 km deep · 40 km away
18. 2.3126 km WSW of Adak, AlaskaSun, Feb 11, 7:57 PM HAST · 3154 days ago · 31 km deep · 68 km away
19. 3.2187 km WSW of Adak, AlaskaMon, Feb 12, 6:46 PM HAST · 3153 days ago · 18 km deep · 83 km away
20. 2.285 km SW of Adak, AlaskaTue, Feb 13, 2:38 AM HAST · 3153 days ago · 35 km deep · 98 km away
21. 2.6129 km WSW of Adak, AlaskaWed, Feb 14, 8:25 AM HAST · 3151 days ago · 35 km deep · 80 km away
22. 2.472 km W of Adak, AlaskaWed, Feb 14, 8:33 PM HAST · 3151 days ago · 73 km deep · 80 km away
23. 2.0110 km WSW of Adak, AlaskaThu, Feb 15, 9:53 PM HAST · 3150 days ago · 13 km deep · 68 km away
24. 1.8124 km W of Adak, AlaskaFri, Feb 16, 3:26 AM HAST · 3150 days ago · 7 km deep · 38 km away
25. 2.0125 km W of Adak, AlaskaSat, Feb 17, 4:28 AM HAST · 3149 days ago · 16 km deep · 37 km away
26. 2.1128 km W of Adak, AlaskaMon, Feb 19, 2:36 PM HAST · 3146 days ago · 18 km deep · 36 km away
27. 1.988 km WSW of Adak, AlaskaTue, Feb 20, 12:20 PM HAST · 3145 days ago · 13 km deep · 90 km away
28. 2.4110 km SW of Adak, AlaskaWed, Feb 21, 12:55 AM HAST · 3145 days ago · 52 km deep · 98 km away
29. 2.1122 km WSW of Adak, AlaskaWed, Feb 21, 10:30 PM HAST · 3144 days ago · 38 km deep · 88 km away
30. 2.2120 km WSW of Adak, AlaskaFri, Feb 23, 8:54 PM HAST · 3142 days ago · 13 km deep · 78 km away
31. 3.7111 km SW of Adak, AlaskaFri, Feb 23, 10:54 PM HAST · 3142 days ago · 40 km deep · 97 km away
32. 2.2122 km W of Adak, AlaskaSat, Feb 24, 9:01 AM HAST · 3141 days ago · 12 km deep · 41 km away
33. 2.5128 km WSW of Adak, AlaskaSat, Feb 24, 9:25 AM HAST · 3141 days ago · 21 km deep · 56 km away
34. 2.674 km WSW of Adak, AlaskaSun, Feb 25, 11:11 AM HAST · 3140 days ago · 45 km deep · 98 km away
35. 2.894 km W of Adak, AlaskaSun, Feb 25, 1:45 PM HAST · 3140 days ago · 112 km deep · 57 km away
36. 2.261 km W of Adak, AlaskaMon, Feb 26, 1:42 AM HAST · 3140 days ago · 84 km deep · 91 km away
37. 1.9133 km WSW of Adak, AlaskaMon, Feb 26, 7:11 AM HAST · 3139 days ago · 21 km deep · 82 km away
38. 1.661 km W of Adak, AlaskaMon, Feb 26, 9:22 AM HAST · 3139 days ago · 9 km deep · 93 km away
39. 2.1119 km SW of Adak, AlaskaMon, Feb 26, 12:00 PM HAST · 3139 days ago · 3 km deep · 93 km away
40. 2.8200 km W of Adak, AlaskaTue, Feb 27, 12:30 AM HAST · 3139 days ago · 123 km deep · 50 km away
41. 2.7151 km WSW of Adak, AlaskaTue, Feb 27, 9:12 AM HAST · 3138 days ago · 35 km deep · 85 km away
42. 2.4187 km W of Adak, AlaskaTue, Feb 27, 3:24 PM HAST · 3138 days ago · 41 km deep · 36 km away
43. 3.7131 km WSW of Adak, AlaskaTue, Feb 27, 8:43 PM HAST · 3138 days ago · 16 km deep · 63 km away
44. 1.8126 km WSW of Adak, AlaskaFri, Mar 2, 2:36 AM HAST · 3136 days ago · 13 km deep · 44 km away
45. 1.9128 km W of Adak, AlaskaFri, Mar 2, 7:21 AM HAST · 3135 days ago · 16 km deep · 38 km away
46. 1.8127 km W of Adak, AlaskaFri, Mar 2, 7:22 AM HAST · 3135 days ago · 22 km deep · 30 km away
47. 2.9168 km WSW of Adak, AlaskaFri, Mar 2, 8:53 AM HAST · 3135 days ago · 40 km deep · 97 km away
48. 2.083 km WSW of Adak, AlaskaSat, Mar 3, 3:19 AM HAST · 3135 days ago · 44 km deep · 80 km away
49. 3.0117 km WSW of Adak, AlaskaSat, Mar 3, 6:18 AM HAST · 3135 days ago · 19 km deep · 58 km away
50. 2.1136 km WSW of Adak, AlaskaSat, Mar 3, 2:51 PM HAST · 3134 days ago · 26 km deep · 74 km away
51. 2.7127 km WSW of Adak, AlaskaSat, Mar 3, 11:03 PM HAST · 3134 days ago · 16 km deep · 57 km away
52. 2.3123 km WSW of Adak, AlaskaSun, Mar 4, 1:32 AM HAST · 3134 days ago · 9 km deep · 45 km away
53. 2.1156 km WSW of Adak, AlaskaSun, Mar 4, 4:29 AM HAST · 3134 days ago · 53 km deep · 75 km away
54. 2.1131 km W of Adak, AlaskaSun, Mar 4, 9:01 AM HAST · 3133 days ago · 13 km deep · 31 km away
55. 1.7122 km WSW of Adak, AlaskaSun, Mar 4, 9:11 PM HAST · 3133 days ago · 13 km deep · 47 km away
56. 1.9129 km WSW of Adak, AlaskaMon, Mar 5, 1:54 PM HAST · 3132 days ago · 43 km deep · 62 km away
57. 4.3148 km WSW of Adak, AlaskaTue, Mar 6, 1:17 PM HAST · 3131 days ago · 35 km deep · 89 km away
58. 2.4136 km WSW of Adak, AlaskaTue, Mar 6, 5:59 PM HAST · 3131 days ago · 6 km deep · 59 km away
59. 2.0127 km W of Adak, AlaskaWed, Mar 7, 3:36 AM HAST · 3131 days ago · 1 km deep · 38 km away
60. 2.6128 km WSW of Adak, AlaskaWed, Mar 7, 4:06 AM HAST · 3131 days ago · 21 km deep · 47 km away

The first 60 of 141.

Before

1. 1.8126 km WSW of Adak, AlaskaWed, Feb 7, 11:03 PM HAST · 3158 days ago · 24 km deep · 70 km away
2. 2.0126 km WSW of Adak, AlaskaWed, Feb 7, 8:03 PM HAST · 3158 days ago · 17 km deep · 43 km away
3. 2.0126 km W of Adak, AlaskaWed, Feb 7, 5:55 AM HAST · 3159 days ago · 19 km deep · 34 km away
4. 2.4106 km WSW of Adak, AlaskaWed, Feb 7, 1:28 AM HAST · 3159 days ago · 28 km deep · 58 km away
5. 2.0125 km WSW of Adak, AlaskaTue, Feb 6, 11:16 PM HAST · 3159 days ago · 13 km deep · 45 km away
6. 2.6131 km WSW of Adak, AlaskaTue, Feb 6, 1:46 AM HAST · 3160 days ago · 7 km deep · 76 km away
7. 1.8129 km W of Adak, AlaskaMon, Feb 5, 10:48 PM HAST · 3160 days ago · 5 km deep · 39 km away
8. 1.7124 km W of Adak, AlaskaMon, Feb 5, 8:24 PM HAST · 3160 days ago · 23 km deep · 37 km away
9. 1.7123 km W of Adak, AlaskaMon, Feb 5, 10:00 AM HAST · 3160 days ago · 9 km deep · 39 km away
10. 3.1138 km WSW of Adak, AlaskaSun, Feb 4, 10:54 AM HAST · 3161 days ago · 10 km deep · 61 km away
11. 2.2128 km WSW of Adak, AlaskaSat, Feb 3, 2:46 PM HAST · 3162 days ago · 5 km deep · 41 km away
12. 3.0130 km WSW of Adak, AlaskaSat, Feb 3, 2:35 PM HAST · 3162 days ago · 35 km deep · 86 km away
13. 2.2119 km W of Adak, AlaskaSat, Feb 3, 11:21 AM HAST · 3162 days ago · 7 km deep · 36 km away
14. 1.9100 km WSW of Adak, AlaskaSat, Feb 3, 4:30 AM HAST · 3163 days ago · 28 km deep · 77 km away
15. 2.2124 km W of Adak, AlaskaFri, Feb 2, 7:54 PM HAST · 3163 days ago · 79 km deep · 34 km away
16. 2.493 km WSW of Adak, AlaskaFri, Feb 2, 12:58 PM HAST · 3163 days ago · 26 km deep · 79 km away
17. 1.867 km W of Adak, AlaskaWed, Jan 31, 9:40 AM HAST · 3165 days ago · 17 km deep · 84 km away
18. 2.0Andreanof Islands, Aleutian Islands, AlaskaTue, Jan 30, 11:23 PM HAST · 3166 days ago · 5 km deep · 56 km away
19. 2.283 km W of Adak, AlaskaTue, Jan 30, 12:12 PM HAST · 3166 days ago · 93 km deep · 71 km away
20. 2.0128 km W of Adak, AlaskaTue, Jan 30, 11:40 AM HAST · 3166 days ago · 1 km deep · 28 km away

From the USGS Earthquake Hazards Program and its partner networks, event av61653266. Read Fri, Oct 2, 2026, 4:37 AM UTC.