M1.9 earthquake 81 km SSW of Unalaska, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Oct 26, 2017, 1:47 PM AKDT

UTC

2017-10-26 21:47:46 UTC

Depth

22.5 km (14.0 mi), shallow

Epicenter

53.170° N, 166.872° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

9

• Unalaska, AlaskaPopulation 4,491. Forecast81 kmSSW

After

1. 2.158 km SSE of Unalaska, AlaskaSat, Oct 28, 9:25 AM AKDT · 3260 days ago · 23 km deep · 40 km away
2. 2.7144 km S of Unalaska, AlaskaSun, Oct 29, 9:04 AM AKDT · 3259 days ago · 23 km deep · 67 km away
3. 1.858 km SE of Unalaska, AlaskaMon, Oct 30, 5:48 AM AKDT · 3258 days ago · 35 km deep · 78 km away
4. 2.053 km SW of Unalaska, AlaskaTue, Oct 31, 9:20 AM AKDT · 3257 days ago · 72 km deep · 37 km away
5. 2.083 km SSE of Unalaska, AlaskaTue, Oct 31, 1:19 PM AKDT · 3257 days ago · 25 km deep · 50 km away
6. 1.950 km S of Unalaska, AlaskaTue, Oct 31, 6:11 PM AKDT · 3257 days ago · 59 km deep · 35 km away
7. 1.894 km ENE of Nikolski, AlaskaTue, Oct 31, 11:14 PM AKDT · 3257 days ago · 86 km deep · 48 km away
8. 1.646 km S of Unalaska, AlaskaWed, Nov 1, 5:00 AM AKDT · 3256 days ago · 62 km deep · 45 km away
9. 2.97 km ENE of Dutch Harbor, AlaskaThu, Nov 2, 10:05 AM AKDT · 3255 days ago · 125 km deep · 87 km away
10. 1.777 km SE of Unalaska, AlaskaThu, Nov 2, 10:35 AM AKDT · 3255 days ago · 55 km deep · 72 km away
11. 1.846 km SE of Unalaska, AlaskaThu, Nov 2, 5:30 PM AKDT · 3255 days ago · 31 km deep · 65 km away
12. 4.6109 km S of Unalaska, AlaskaFri, Nov 3, 9:19 AM AKDT · 3254 days ago · 31 km deep · 31 km away
13. 2.2124 km S of Unalaska, AlaskaFri, Nov 3, 9:23 AM AKDT · 3254 days ago · 5 km deep · 50 km away
14. 2.1134 km S of Unalaska, AlaskaFri, Nov 3, 9:32 AM AKDT · 3254 days ago · 4 km deep · 55 km away
15. 2.0129 km S of Unalaska, AlaskaFri, Nov 3, 9:38 AM AKDT · 3254 days ago · 13 km deep · 53 km away
16. 2.6125 km S of Unalaska, AlaskaFri, Nov 3, 9:53 AM AKDT · 3254 days ago · 2 km deep · 48 km away
17. 3.6126 km S of Unalaska, AlaskaFri, Nov 3, 2:07 PM AKDT · 3254 days ago · 10 km deep · 50 km away
18. 2.1146 km S of Unalaska, AlaskaFri, Nov 3, 2:13 PM AKDT · 3254 days ago · 25 km deep · 71 km away
19. 2.120 km ESE of Unalaska, AlaskaFri, Nov 3, 7:51 PM AKDT · 3254 days ago · 81 km deep · 81 km away
20. 2.3124 km S of Unalaska, AlaskaFri, Nov 3, 8:00 PM AKDT · 3254 days ago · 1 km deep · 47 km away
21. 1.556 km WSW of Unalaska, AlaskaSun, Nov 5, 10:48 AM AKST · 3252 days ago · 13 km deep · 54 km away
22. 1.757 km WSW of Unalaska, AlaskaSun, Nov 5, 10:53 AM AKST · 3252 days ago · 13 km deep · 54 km away
23. 1.557 km SW of Unalaska, AlaskaSun, Nov 5, 12:39 PM AKST · 3252 days ago · 13 km deep · 51 km away
24. 2.0134 km ESE of Nikolski, AlaskaMon, Nov 6, 3:04 AM AKST · 3251 days ago · 17 km deep · 57 km away
25. 2.892 km S of Unalaska, AlaskaMon, Nov 6, 3:37 PM AKST · 3251 days ago · 34 km deep · 13 km away
26. 1.992 km SSW of Unalaska, AlaskaMon, Nov 6, 4:04 PM AKST · 3251 days ago · 26 km deep · 17 km away
27. 4.2119 km S of Unalaska, AlaskaTue, Nov 7, 1:43 AM AKST · 3250 days ago · 32 km deep · 40 km away
28. 1.816 km WSW of Dutch Harbor, AlaskaTue, Nov 7, 7:35 AM AKST · 3250 days ago · 5 km deep · 76 km away
29. 1.862 km SE of Unalaska, AlaskaThu, Nov 9, 5:04 AM AKST · 3248 days ago · 49 km deep · 70 km away
30. 2.258 km ESE of Nikolski, AlaskaThu, Nov 9, 10:33 AM AKST · 3248 days ago · 26 km deep · 97 km away
31. 1.55 km SW of Unalaska, AlaskaThu, Nov 9, 10:27 PM AKST · 3248 days ago · 12 km deep · 77 km away
32. 1.678 km S of Unalaska, AlaskaFri, Nov 10, 1:17 AM AKST · 3247 days ago · 35 km deep · 14 km away
33. 2.585 km SW of Unalaska, AlaskaFri, Nov 10, 11:27 AM AKST · 3247 days ago · 70 km deep · 33 km away
34. 4.783 km ENE of Nikolski, AlaskaSat, Nov 11, 7:14 AM AKST · 3246 days ago · 68 km deep · 55 km away · felt by 1
35. 1.696 km E of Nikolski, AlaskaSat, Nov 11, 7:40 AM AKST · 3246 days ago · 24 km deep · 44 km away
36. 1.795 km E of Nikolski, AlaskaSat, Nov 11, 11:17 AM AKST · 3246 days ago · 14 km deep · 45 km away
37. 1.784 km SW of Unalaska, AlaskaSat, Nov 11, 2:29 PM AKST · 3246 days ago · 18 km deep · 33 km away
38. 1.5126 km S of Unalaska, AlaskaSun, Nov 12, 3:49 AM AKST · 3245 days ago · 16 km deep · 52 km away
39. 2.334 km SSW of Akutan, AlaskaSun, Nov 12, 8:17 AM AKST · 3245 days ago · 68 km deep · 98 km away
40. 1.960 km SE of Unalaska, AlaskaSun, Nov 12, 1:21 PM AKST · 3245 days ago · 45 km deep · 79 km away
41. 1.896 km E of Nikolski, AlaskaMon, Nov 13, 12:10 PM AKST · 3244 days ago · 22 km deep · 41 km away
42. 2.424 km S of Unalaska, AlaskaMon, Nov 13, 3:59 PM AKST · 3244 days ago · 76 km deep · 60 km away
43. 2.2103 km E of Nikolski, AlaskaMon, Nov 13, 10:56 PM AKST · 3244 days ago · 38 km deep · 45 km away
44. 2.5102 km E of Nikolski, AlaskaMon, Nov 13, 10:58 PM AKST · 3244 days ago · 41 km deep · 51 km away
45. 2.185 km S of Unalaska, AlaskaTue, Nov 14, 8:42 AM AKST · 3243 days ago · 15 km deep · 15 km away
46. 2.321 km ESE of Unalaska, AlaskaWed, Nov 15, 11:28 AM AKST · 3242 days ago · 80 km deep · 78 km away
47. 1.619 km WSW of Dutch Harbor, AlaskaThu, Nov 16, 2:14 PM AKST · 3241 days ago · 5 km deep · 76 km away
48. 1.991 km ENE of Nikolski, AlaskaFri, Nov 17, 9:16 PM AKST · 3240 days ago · 79 km deep · 52 km away
49. 1.886 km SW of Unalaska, AlaskaSat, Nov 18, 9:08 AM AKST · 3239 days ago · 68 km deep · 39 km away
50. 2.772 km ENE of Nikolski, AlaskaWed, Nov 22, 4:08 PM AKST · 3235 days ago · 77 km deep · 69 km away
51. 2.480 km S of Unalaska, AlaskaFri, Nov 24, 2:25 PM AKST · 3233 days ago · 26 km deep · 15 km away
52. 2.089 km SE of Unalaska, AlaskaFri, Nov 24, 6:51 PM AKST · 3233 days ago · 17 km deep · 81 km away
53. 1.971 km SE of Unalaska, AlaskaSat, Nov 25, 5:10 AM AKST · 3232 days ago · 25 km deep · 79 km away
54. 1.754 km S of Akutan, AlaskaSat, Nov 25, 7:13 AM AKST · 3232 days ago · 54 km deep · 95 km away
55. 1.8Fox Islands, Aleutian Islands, AlaskaSat, Nov 25, 9:50 AM AKST · 3232 days ago · 15 km deep · 18 km away
56. 2.2132 km S of Unalaska, AlaskaSat, Nov 25, 11:45 AM AKST · 3232 days ago · 5 km deep · 56 km away
57. 3.184 km S of Unalaska, AlaskaMon, Nov 27, 9:17 PM AKST · 3230 days ago · 49 km deep · 19 km away
58. 2.572 km E of Nikolski, AlaskaWed, Nov 29, 10:37 AM AKST · 3228 days ago · 35 km deep · 70 km away
59. 2.860 km SW of Unalaska, AlaskaThu, Nov 30, 12:22 AM AKST · 3228 days ago · 14 km deep · 36 km away
60. 2.263 km SE of Unalaska, AlaskaThu, Nov 30, 2:35 PM AKST · 3227 days ago · 37 km deep · 79 km away

The first 60 of 88.

Before

1. 1.752 km S of Unalaska, AlaskaThu, Oct 26, 12:04 AM AKDT · 3263 days ago · 24 km deep · 33 km away
2. 2.139 km SSW of Unalaska, AlaskaWed, Oct 25, 2:18 PM AKDT · 3263 days ago · 64 km deep · 42 km away
3. 1.767 km SW of Unalaska, AlaskaTue, Oct 24, 3:49 AM AKDT · 3264 days ago · 15 km deep · 53 km away
4. 1.782 km SE of Unalaska, AlaskaMon, Oct 23, 10:43 PM AKDT · 3265 days ago · 18 km deep · 85 km away
5. 2.631 km ESE of Unalaska, AlaskaSun, Oct 22, 10:15 PM AKDT · 3266 days ago · 72 km deep · 78 km away
6. 2.082 km SW of Unalaska, AlaskaSun, Oct 22, 7:54 PM AKDT · 3266 days ago · 75 km deep · 44 km away
7. 1.759 km SE of Unalaska, AlaskaSun, Oct 22, 7:53 AM AKDT · 3266 days ago · 39 km deep · 74 km away
8. 1.944 km SE of Unalaska, AlaskaFri, Oct 20, 8:50 PM AKDT · 3268 days ago · 51 km deep · 76 km away
9. 2.3111 km E of Nikolski, AlaskaFri, Oct 20, 8:01 PM AKDT · 3268 days ago · 26 km deep · 50 km away
10. 1.872 km SE of Unalaska, AlaskaFri, Oct 20, 4:33 PM AKDT · 3268 days ago · 21 km deep · 79 km away
11. 1.764 km SE of Unalaska, AlaskaThu, Oct 19, 6:08 AM AKDT · 3269 days ago · 7 km deep · 81 km away
12. 2.280 km E of Nikolski, AlaskaWed, Oct 18, 2:24 PM AKDT · 3270 days ago · 26 km deep · 63 km away
13. 1.950 km SE of Unalaska, AlaskaTue, Oct 17, 5:42 AM AKDT · 3271 days ago · 26 km deep · 66 km away
14. 1.677 km S of Unalaska, AlaskaMon, Oct 16, 10:48 AM AKDT · 3272 days ago · 22 km deep · 17 km away
15. 1.797 km ENE of Nikolski, AlaskaSun, Oct 15, 1:08 PM AKDT · 3273 days ago · 48 km deep · 39 km away
16. 1.757 km SW of Unalaska, AlaskaSun, Oct 15, 6:45 AM AKDT · 3273 days ago · 17 km deep · 47 km away
17. 2.078 km E of Nikolski, AlaskaThu, Oct 12, 8:23 AM AKDT · 3276 days ago · 37 km deep · 62 km away
18. 2.160 km SW of Unalaska, AlaskaThu, Oct 12, 4:50 AM AKDT · 3276 days ago · 15 km deep · 46 km away
19. 1.89 km SSE of Unalaska, AlaskaTue, Oct 10, 11:59 PM AKDT · 3278 days ago · 79 km deep · 74 km away
20. 1.571 km SW of Unalaska, AlaskaTue, Oct 10, 8:23 PM AKDT · 3278 days ago · 13 km deep · 47 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017dquh1m4 (also filed as ak17124555). Read Thu, Oct 1, 2026, 9:12 PM UTC.