M2.1 earthquake 146 km S of Unalaska, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Nov 3, 2017, 2:13 PM AKDT

UTC

2017-11-03 22:13:04 UTC

Depth

24.8 km (15.4 mi), shallow

Epicenter

52.555° N, 166.599° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

• Unalaska, AlaskaPopulation 4,491. Forecast147 kmS

After

1. 2.3124 km S of Unalaska, AlaskaFri, Nov 3, 8:00 PM AKDT · 3255 days ago · 1 km deep · 24 km away
2. 3.689 km SE of Nikolski, AlaskaFri, Nov 3, 11:28 PM AKDT · 3255 days ago · 18 km deep · 97 km away
3. 2.0134 km ESE of Nikolski, AlaskaMon, Nov 6, 3:04 AM AKST · 3252 days ago · 17 km deep · 25 km away
4. 2.892 km S of Unalaska, AlaskaMon, Nov 6, 3:37 PM AKST · 3252 days ago · 34 km deep · 58 km away
5. 1.992 km SSW of Unalaska, AlaskaMon, Nov 6, 4:04 PM AKST · 3252 days ago · 26 km deep · 70 km away
6. 4.2119 km S of Unalaska, AlaskaTue, Nov 7, 1:43 AM AKST · 3251 days ago · 32 km deep · 31 km away
7. 1.678 km S of Unalaska, AlaskaFri, Nov 10, 1:17 AM AKST · 3248 days ago · 35 km deep · 69 km away
8. 2.585 km SW of Unalaska, AlaskaFri, Nov 10, 11:27 AM AKST · 3248 days ago · 70 km deep · 94 km away
9. 2.3101 km SE of Nikolski, AlaskaFri, Nov 10, 10:34 PM AKST · 3248 days ago · 25 km deep · 97 km away
10. 1.696 km E of Nikolski, AlaskaSat, Nov 11, 7:40 AM AKST · 3247 days ago · 24 km deep · 71 km away
11. 1.795 km E of Nikolski, AlaskaSat, Nov 11, 11:17 AM AKST · 3247 days ago · 14 km deep · 72 km away
12. 1.784 km SW of Unalaska, AlaskaSat, Nov 11, 2:29 PM AKST · 3247 days ago · 18 km deep · 95 km away
13. 1.5126 km S of Unalaska, AlaskaSun, Nov 12, 3:49 AM AKST · 3246 days ago · 16 km deep · 20 km away
14. 2.0170 km ESE of Nikolski, AlaskaSun, Nov 12, 9:59 PM AKST · 3246 days ago · 9 km deep · 43 km away
15. 1.896 km E of Nikolski, AlaskaMon, Nov 13, 12:10 PM AKST · 3245 days ago · 22 km deep · 76 km away
16. 2.2103 km E of Nikolski, AlaskaMon, Nov 13, 10:56 PM AKST · 3245 days ago · 38 km deep · 60 km away
17. 2.5102 km E of Nikolski, AlaskaMon, Nov 13, 10:58 PM AKST · 3245 days ago · 41 km deep · 58 km away
18. 2.185 km S of Unalaska, AlaskaTue, Nov 14, 8:42 AM AKST · 3244 days ago · 15 km deep · 62 km away
19. 1.886 km SW of Unalaska, AlaskaSat, Nov 18, 9:08 AM AKST · 3240 days ago · 68 km deep · 99 km away
20. 2.480 km S of Unalaska, AlaskaFri, Nov 24, 2:25 PM AKST · 3234 days ago · 26 km deep · 67 km away
21. 2.4169 km SE of Nikolski, AlaskaFri, Nov 24, 6:52 PM AKST · 3234 days ago · 45 km deep · 68 km away
22. 1.8Fox Islands, Aleutian Islands, AlaskaSat, Nov 25, 9:50 AM AKST · 3233 days ago · 15 km deep · 53 km away
23. 2.2132 km S of Unalaska, AlaskaSat, Nov 25, 11:45 AM AKST · 3233 days ago · 5 km deep · 15 km away
24. 3.184 km S of Unalaska, AlaskaMon, Nov 27, 9:17 PM AKST · 3231 days ago · 49 km deep · 62 km away
25. 2.572 km E of Nikolski, AlaskaWed, Nov 29, 10:37 AM AKST · 3229 days ago · 35 km deep · 88 km away
26. 3.3212 km ESE of Nikolski, AlaskaSat, Dec 2, 8:09 PM AKST · 3226 days ago · 10 km deep · 72 km away
27. 1.972 km SSE of Unalaska, AlaskaSun, Dec 3, 9:18 AM AKST · 3225 days ago · 18 km deep · 90 km away
28. 2.1137 km S of Unalaska, AlaskaThu, Dec 7, 9:13 AM AKST · 3221 days ago · 25 km deep · 23 km away
29. 2.387 km SSW of Unalaska, AlaskaThu, Dec 7, 11:04 AM AKST · 3221 days ago · 26 km deep · 62 km away
30. 3.790 km SSW of Unalaska, AlaskaThu, Dec 7, 11:06 AM AKST · 3221 days ago · 37 km deep · 61 km away
31. 2.192 km S of Unalaska, AlaskaThu, Dec 7, 11:10 AM AKST · 3221 days ago · 26 km deep · 58 km away
32. 2.284 km SSW of Unalaska, AlaskaThu, Dec 7, 2:32 PM AKST · 3221 days ago · 48 km deep · 68 km away
33. 3.390 km S of Unalaska, AlaskaFri, Dec 8, 8:03 AM AKST · 3220 days ago · 28 km deep · 59 km away
34. 2.287 km SSW of Unalaska, AlaskaFri, Dec 8, 4:59 PM AKST · 3220 days ago · 26 km deep · 64 km away
35. 2.187 km SSW of Unalaska, AlaskaFri, Dec 8, 8:43 PM AKST · 3220 days ago · 26 km deep · 63 km away
36. 4.9143 km SE of Nikolski, AlaskaSat, Dec 9, 5:58 PM AKST · 3219 days ago · 24 km deep · 58 km away
37. 4.080 km E of Nikolski, AlaskaSun, Dec 10, 9:27 AM AKST · 3218 days ago · 40 km deep · 83 km away
38. 2.4146 km SE of Nikolski, AlaskaSun, Dec 10, 5:09 PM AKST · 3218 days ago · 35 km deep · 60 km away
39. 2.168 km SSW of Unalaska, AlaskaWed, Dec 13, 1:09 AM AKST · 3215 days ago · 62 km deep · 82 km away
40. 2.268 km E of Nikolski, AlaskaMon, Dec 18, 7:46 PM AKST · 3210 days ago · 53 km deep · 97 km away
41. 2.185 km SSW of Unalaska, AlaskaTue, Dec 19, 3:26 AM AKST · 3209 days ago · 26 km deep · 69 km away
42. 2.588 km ENE of Nikolski, AlaskaWed, Dec 20, 2:26 PM AKST · 3208 days ago · 52 km deep · 96 km away
43. 2.272 km E of Nikolski, AlaskaWed, Dec 20, 4:42 PM AKST · 3208 days ago · 38 km deep · 87 km away
44. 2.1150 km ESE of Nikolski, AlaskaMon, Dec 25, 12:20 PM AKST · 3203 days ago · 17 km deep · 12 km away
45. 2.0123 km ESE of Nikolski, AlaskaMon, Dec 25, 10:52 PM AKST · 3203 days ago · 26 km deep · 51 km away
46. 2.1130 km S of Unalaska, AlaskaTue, Dec 26, 3:21 AM AKST · 3202 days ago · 4 km deep · 17 km away
47. 2.1137 km S of Unalaska, AlaskaTue, Dec 26, 4:21 AM AKST · 3202 days ago · 23 km deep · 22 km away
48. 2.071 km SSW of Unalaska, AlaskaTue, Dec 26, 7:18 AM AKST · 3202 days ago · 50 km deep · 78 km away
49. 2.382 km SE of Nikolski, AlaskaWed, Dec 27, 2:52 PM AKST · 3201 days ago · 14 km deep · 95 km away
50. 3.196 km S of Unalaska, AlaskaFri, Dec 29, 6:34 AM AKST · 3199 days ago · 49 km deep · 57 km away
51. 3.065 km SSW of Unalaska, AlaskaFri, Dec 29, 8:32 AM AKST · 3199 days ago · 7 km deep · 90 km away
52. 2.084 km SSW of Unalaska, AlaskaFri, Dec 29, 9:15 AM AKST · 3199 days ago · 18 km deep · 70 km away
53. 1.983 km SSW of Unalaska, AlaskaFri, Dec 29, 8:35 PM AKST · 3199 days ago · 62 km deep · 84 km away
54. 2.1106 km SSW of Unalaska, AlaskaSat, Dec 30, 5:15 PM AKST · 3198 days ago · 12 km deep · 56 km away
55. 2.4149 km ESE of Nikolski, AlaskaSun, Dec 31, 5:41 PM AKST · 3197 days ago · 26 km deep · 16 km away
56. 2.1Fox Islands, Aleutian Islands, AlaskaMon, Jan 1, 5:04 PM AKST · 3196 days ago · 23 km deep · 92 km away
57. 1.776 km SSW of Unalaska, AlaskaMon, Jan 1, 8:27 PM AKST · 3196 days ago · 56 km deep · 89 km away

Before

1. 3.6126 km S of Unalaska, AlaskaFri, Nov 3, 2:07 PM AKDT · 3255 days ago · 10 km deep · 21 km away
2. 2.6125 km S of Unalaska, AlaskaFri, Nov 3, 9:53 AM AKDT · 3255 days ago · 2 km deep · 22 km away
3. 2.0129 km S of Unalaska, AlaskaFri, Nov 3, 9:38 AM AKDT · 3255 days ago · 13 km deep · 17 km away
4. 2.1134 km S of Unalaska, AlaskaFri, Nov 3, 9:32 AM AKDT · 3255 days ago · 4 km deep · 18 km away
5. 2.2124 km S of Unalaska, AlaskaFri, Nov 3, 9:23 AM AKDT · 3255 days ago · 5 km deep · 22 km away
6. 4.6109 km S of Unalaska, AlaskaFri, Nov 3, 9:19 AM AKDT · 3255 days ago · 31 km deep · 40 km away
7. 1.777 km SE of Unalaska, AlaskaThu, Nov 2, 10:35 AM AKDT · 3256 days ago · 55 km deep · 100 km away
8. 3.4187 km ESE of Nikolski, AlaskaWed, Nov 1, 2:40 AM AKDT · 3257 days ago · 10 km deep · 47 km away
9. 1.950 km S of Unalaska, AlaskaTue, Oct 31, 6:11 PM AKDT · 3258 days ago · 59 km deep · 97 km away
10. 2.083 km SSE of Unalaska, AlaskaTue, Oct 31, 1:19 PM AKDT · 3258 days ago · 25 km deep · 75 km away
11. 2.7144 km S of Unalaska, AlaskaSun, Oct 29, 9:04 AM AKDT · 3260 days ago · 23 km deep · 6 km away
12. 2.158 km SSE of Unalaska, AlaskaSat, Oct 28, 9:25 AM AKDT · 3261 days ago · 23 km deep · 91 km away
13. 1.981 km SSW of Unalaska, AlaskaThu, Oct 26, 1:47 PM AKDT · 3263 days ago · 23 km deep · 71 km away
14. 4.491 km SE of Nikolski, AlaskaThu, Oct 26, 9:53 AM AKDT · 3263 days ago · 10 km deep · 92 km away
15. 1.752 km S of Unalaska, AlaskaThu, Oct 26, 12:04 AM AKDT · 3264 days ago · 24 km deep · 94 km away
16. 2.080 km SE of Nikolski, AlaskaSat, Oct 21, 5:36 PM AKDT · 3268 days ago · 26 km deep · 95 km away
17. 2.3111 km E of Nikolski, AlaskaFri, Oct 20, 8:01 PM AKDT · 3269 days ago · 26 km deep · 49 km away
18. 2.280 km E of Nikolski, AlaskaWed, Oct 18, 2:24 PM AKDT · 3271 days ago · 26 km deep · 80 km away
19. 1.677 km S of Unalaska, AlaskaMon, Oct 16, 10:48 AM AKDT · 3273 days ago · 22 km deep · 70 km away
20. 1.797 km ENE of Nikolski, AlaskaSun, Oct 15, 1:08 PM AKDT · 3274 days ago · 48 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017e435vko (also filed as ak17169712). Read Fri, Oct 2, 2026, 7:46 PM UTC.