M2.1 earthquake 139 km S of Unalaska, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Sep 26, 2016, 11:37 PM AKDT

UTC

2016-09-27 07:37:47 UTC

Depth

19.2 km (11.9 mi), shallow

Epicenter

52.616° N, 166.551° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

• Unalaska, AlaskaPopulation 4,491. Forecast140 kmS

After

1. 1.8112 km S of Unalaska, AlaskaTue, Sep 27, 9:12 AM AKDT · 3659 days ago · 5 km deep · 32 km away
2. 1.792 km SSW of Unalaska, AlaskaWed, Sep 28, 3:13 PM AKDT · 3657 days ago · 72 km deep · 75 km away
3. 2.6219 km S of Unalaska, AlaskaSun, Oct 2, 1:47 AM AKDT · 3654 days ago · 47 km deep · 85 km away
4. 2.1121 km S of Unalaska, AlaskaMon, Oct 3, 3:10 AM AKDT · 3653 days ago · 1 km deep · 23 km away
5. 2.8124 km ESE of Nikolski, AlaskaMon, Oct 3, 4:06 AM AKDT · 3653 days ago · 21 km deep · 36 km away
6. 2.5127 km S of Unalaska, AlaskaMon, Oct 3, 5:58 AM AKDT · 3653 days ago · 5 km deep · 13 km away
7. 1.691 km E of Nikolski, AlaskaMon, Oct 3, 6:38 AM AKDT · 3653 days ago · 34 km deep · 77 km away
8. 2.087 km SSW of Unalaska, AlaskaTue, Oct 4, 9:17 PM AKDT · 3651 days ago · 35 km deep · 78 km away
9. 2.0102 km SSW of Unalaska, AlaskaWed, Oct 5, 7:23 PM AKDT · 3650 days ago · 13 km deep · 70 km away
10. 3.890 km SSW of Unalaska, AlaskaSun, Oct 9, 8:43 AM AKDT · 3647 days ago · 20 km deep · 73 km away
11. 3.9140 km S of Unalaska, AlaskaSun, Oct 9, 10:57 AM AKDT · 3646 days ago · 24 km deep · 2 km away
12. 3.3144 km ESE of Nikolski, AlaskaSun, Oct 9, 4:34 PM AKDT · 3646 days ago · 10 km deep · 32 km away
13. 3.7103 km E of Nikolski, AlaskaSun, Oct 9, 4:34 PM AKDT · 3646 days ago · 22 km deep · 61 km away
14. 2.261 km SSE of Unalaska, AlaskaSun, Oct 9, 6:11 PM AKDT · 3646 days ago · 25 km deep · 94 km away
15. 2.2133 km ESE of Nikolski, AlaskaSun, Oct 9, 6:54 PM AKDT · 3646 days ago · 25 km deep · 31 km away
16. 2.5141 km ESE of Nikolski, AlaskaSun, Oct 9, 7:04 PM AKDT · 3646 days ago · 12 km deep · 32 km away
17. 2.2139 km ESE of Nikolski, AlaskaSun, Oct 9, 7:14 PM AKDT · 3646 days ago · 8 km deep · 30 km away
18. 2.3150 km ESE of Nikolski, AlaskaSun, Oct 9, 11:48 PM AKDT · 3646 days ago · 13 km deep · 32 km away
19. 2.082 km SSW of Unalaska, AlaskaSun, Oct 16, 11:47 PM AKDT · 3639 days ago · 26 km deep · 64 km away
20. 1.983 km S of Unalaska, AlaskaMon, Oct 17, 7:49 AM AKDT · 3639 days ago · 26 km deep · 60 km away
21. 2.4130 km ESE of Nikolski, AlaskaMon, Oct 17, 8:18 AM AKDT · 3639 days ago · 42 km deep · 42 km away
22. 1.881 km SW of Unalaska, AlaskaMon, Oct 17, 12:09 PM AKDT · 3638 days ago · 20 km deep · 98 km away
23. 3.658 km SSW of Unalaska, AlaskaTue, Oct 18, 12:32 AM AKDT · 3638 days ago · 36 km deep · 88 km away
24. 2.3118 km S of Unalaska, AlaskaThu, Oct 20, 1:39 AM AKDT · 3636 days ago · 19 km deep · 26 km away
25. 1.7109 km SSW of Unalaska, AlaskaThu, Oct 20, 5:04 PM AKDT · 3635 days ago · 13 km deep · 54 km away
26. 3.2100 km E of Nikolski, AlaskaFri, Oct 21, 7:11 AM AKDT · 3635 days ago · 25 km deep · 62 km away
27. 1.792 km E of Nikolski, AlaskaFri, Oct 21, 9:46 AM AKDT · 3635 days ago · 49 km deep · 73 km away
28. 2.179 km ESE of Nikolski, AlaskaFri, Oct 21, 11:29 AM AKDT · 3634 days ago · 50 km deep · 86 km away
29. 2.695 km SSE of Unalaska, AlaskaFri, Oct 21, 4:50 PM AKDT · 3634 days ago · 25 km deep · 82 km away
30. 1.7102 km E of Nikolski, AlaskaSat, Oct 22, 8:56 AM AKDT · 3634 days ago · 20 km deep · 63 km away
31. 1.974 km S of Unalaska, AlaskaSat, Oct 22, 2:40 PM AKDT · 3633 days ago · 26 km deep · 66 km away
32. 1.673 km S of Unalaska, AlaskaSat, Oct 22, 4:32 PM AKDT · 3633 days ago · 29 km deep · 66 km away
33. 2.381 km E of Nikolski, AlaskaTue, Oct 25, 10:15 AM AKDT · 3630 days ago · 80 km deep · 89 km away
34. 2.5120 km S of Unalaska, AlaskaFri, Oct 28, 2:27 AM AKDT · 3628 days ago · 57 km deep · 22 km away
35. 2.6124 km S of Unalaska, AlaskaFri, Oct 28, 10:10 PM AKDT · 3627 days ago · 10 km deep · 16 km away
36. 2.5119 km S of Unalaska, AlaskaFri, Oct 28, 11:18 PM AKDT · 3627 days ago · 2 km deep · 26 km away
37. 1.964 km SSW of Unalaska, AlaskaWed, Nov 2, 11:34 PM AKDT · 3622 days ago · 82 km deep · 78 km away
38. 2.255 km S of Unalaska, AlaskaThu, Nov 3, 6:35 PM AKDT · 3621 days ago · 62 km deep · 85 km away
39. 2.4198 km S of Unalaska, AlaskaFri, Nov 4, 3:06 AM AKDT · 3621 days ago · 41 km deep · 68 km away
40. 1.8104 km SE of Unalaska, AlaskaFri, Nov 4, 3:50 PM AKDT · 3620 days ago · 26 km deep · 98 km away
41. 3.758 km SSE of Unalaska, AlaskaSun, Nov 6, 10:38 AM AKST · 3618 days ago · 72 km deep · 89 km away
42. 3.757 km SSE of Unalaska, AlaskaTue, Nov 15, 1:52 AM AKST · 3610 days ago · 52 km deep · 86 km away
43. 2.1101 km SE of Unalaska, AlaskaTue, Nov 15, 3:16 AM AKST · 3610 days ago · 25 km deep · 94 km away
44. 1.971 km SW of Unalaska, AlaskaTue, Nov 15, 6:09 AM AKST · 3610 days ago · 27 km deep · 95 km away
45. 2.291 km SSE of Unalaska, AlaskaWed, Nov 16, 11:10 PM AKST · 3608 days ago · 17 km deep · 82 km away
46. 1.789 km E of Nikolski, AlaskaThu, Nov 17, 1:38 AM AKST · 3608 days ago · 39 km deep · 79 km away
47. 2.495 km ENE of Nikolski, AlaskaSat, Nov 19, 6:05 PM AKST · 3605 days ago · 37 km deep · 85 km away
48. 2.3142 km S of Unalaska, AlaskaSun, Nov 20, 9:42 AM AKST · 3604 days ago · 26 km deep · 8 km away
49. 2.083 km SE of Unalaska, AlaskaTue, Nov 22, 7:40 AM AKST · 3603 days ago · 21 km deep · 93 km away
50. 2.1127 km S of Unalaska, AlaskaThu, Nov 24, 6:39 AM AKST · 3601 days ago · 8 km deep · 12 km away

Before

1. 2.4135 km ESE of Nikolski, AlaskaSun, Sep 25, 6:22 PM AKDT · 3660 days ago · 8 km deep · 28 km away
2. 2.2143 km ESE of Nikolski, AlaskaSun, Sep 25, 5:39 PM AKDT · 3660 days ago · 22 km deep · 27 km away
3. 3.1135 km ESE of Nikolski, AlaskaSun, Sep 25, 4:42 PM AKDT · 3660 days ago · 10 km deep · 26 km away
4. 4.6120 km E of Nikolski, AlaskaSun, Sep 25, 4:40 PM AKDT · 3660 days ago · 46 km deep · 40 km away
5. 2.6138 km ESE of Nikolski, AlaskaSun, Sep 25, 2:14 AM AKDT · 3661 days ago · 39 km deep · 27 km away
6. 3.4127 km ESE of Nikolski, AlaskaSun, Sep 25, 2:10 AM AKDT · 3661 days ago · 28 km deep · 33 km away
7. 1.669 km SSE of Unalaska, AlaskaSat, Sep 24, 5:52 PM AKDT · 3661 days ago · 26 km deep · 91 km away
8. 1.798 km E of Nikolski, AlaskaWed, Sep 21, 8:32 AM AKDT · 3665 days ago · 40 km deep · 79 km away
9. 2.3138 km S of Unalaska, AlaskaWed, Sep 21, 4:38 AM AKDT · 3665 days ago · 20 km deep · 12 km away
10. 2.3130 km S of Unalaska, AlaskaWed, Sep 21, 4:06 AM AKDT · 3665 days ago · 20 km deep · 16 km away
11. 1.995 km E of Nikolski, AlaskaTue, Sep 20, 7:20 PM AKDT · 3665 days ago · 25 km deep · 70 km away
12. 2.064 km SSE of Unalaska, AlaskaTue, Sep 20, 3:15 PM AKDT · 3665 days ago · 38 km deep · 92 km away
13. 2.562 km SSW of Unalaska, AlaskaMon, Sep 19, 8:20 AM AKDT · 3667 days ago · 69 km deep · 90 km away
14. 2.480 km SSW of Unalaska, AlaskaSat, Sep 17, 7:57 AM AKDT · 3669 days ago · 30 km deep · 63 km away
15. 1.953 km SSE of Unalaska, AlaskaWed, Sep 14, 9:23 PM AKDT · 3671 days ago · 47 km deep · 96 km away
16. 2.161 km S of Unalaska, AlaskaSun, Sep 11, 2:39 PM AKDT · 3674 days ago · 47 km deep · 80 km away
17. 2.088 km SSW of Unalaska, AlaskaSun, Sep 11, 1:07 PM AKDT · 3674 days ago · 29 km deep · 59 km away
18. 1.973 km ENE of Nikolski, AlaskaWed, Sep 7, 6:54 PM AKDT · 3678 days ago · 52 km deep · 100 km away
19. 1.9103 km E of Nikolski, AlaskaMon, Sep 5, 3:35 PM AKDT · 3680 days ago · 21 km deep · 62 km away
20. 2.4192 km SSE of Unalaska, AlaskaSat, Sep 3, 10:51 PM AKDT · 3682 days ago · 14 km deep · 83 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak016cgb148n (also filed as ak14118290). Read Sun, Oct 4, 2026, 5:42 AM UTC.