M2.1 earthquake 101 km WSW of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Dec 19, 2016, 10:50 PM HAST

UTC

2016-12-20 08:50:36 UTC

Depth

30.0 km (18.6 mi), shallow

Epicenter

51.387° N, 177.872° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 2.0105 km WSW of Adak, AlaskaTue, Dec 20, 4:44 AM HAST · 3574 days ago · 37 km deep · 24 km away
2. 1.860 km SSW of Adak, AlaskaTue, Dec 20, 9:26 PM HAST · 3573 days ago · 38 km deep · 57 km away
3. 1.752 km SW of Adak, AlaskaFri, Dec 23, 12:00 PM HAST · 3570 days ago · 22 km deep · 49 km away
4. 1.859 km WSW of Adak, AlaskaSat, Dec 24, 7:19 PM HAST · 3569 days ago · 31 km deep · 42 km away
5. 2.091 km SW of Adak, AlaskaSun, Dec 25, 12:43 PM HAST · 3568 days ago · 54 km deep · 10 km away
6. 2.776 km SW of Adak, AlaskaMon, Dec 26, 2:52 AM HAST · 3568 days ago · 45 km deep · 25 km away
7. 2.3136 km WSW of Adak, AlaskaWed, Dec 28, 4:20 AM HAST · 3566 days ago · 26 km deep · 40 km away
8. 2.323 km WSW of Adak, AlaskaFri, Dec 30, 4:48 AM HAST · 3564 days ago · 68 km deep · 78 km away
9. 2.3145 km WSW of Adak, AlaskaSat, Dec 31, 12:13 AM HAST · 3563 days ago · 45 km deep · 50 km away
10. 1.721 km WNW of Adak, AlaskaMon, Jan 2, 2:37 AM HAST · 3561 days ago · 76 km deep · 89 km away
11. 2.0112 km SW of Adak, AlaskaMon, Jan 2, 4:27 AM HAST · 3561 days ago · 43 km deep · 14 km away
12. 2.685 km WSW of Adak, AlaskaMon, Jan 2, 11:12 AM HAST · 3560 days ago · 56 km deep · 21 km away
13. 2.1100 km SW of Adak, AlaskaTue, Jan 3, 7:54 PM HAST · 3559 days ago · 24 km deep · 20 km away
14. 1.574 km SW of Adak, AlaskaTue, Jan 3, 9:43 PM HAST · 3559 days ago · 31 km deep · 27 km away
15. 1.636 km W of Adak, AlaskaWed, Jan 4, 5:38 AM HAST · 3559 days ago · 13 km deep · 70 km away
16. 2.0136 km WSW of Adak, AlaskaThu, Jan 5, 12:39 AM HAST · 3558 days ago · 26 km deep · 50 km away
17. 2.1105 km WSW of Adak, AlaskaFri, Jan 6, 11:17 AM HAST · 3556 days ago · 61 km deep · 25 km away
18. 3.136 km SSW of Adak, AlaskaSun, Jan 8, 9:58 AM HAST · 3555 days ago · 47 km deep · 75 km away
19. 3.9178 km WSW of Adak, AlaskaSun, Jan 8, 4:34 PM HAST · 3554 days ago · 40 km deep · 85 km away
20. 2.3144 km W of Adak, AlaskaSun, Jan 8, 7:01 PM HAST · 3554 days ago · 87 km deep · 73 km away
21. 3.3124 km WSW of Adak, AlaskaSun, Jan 8, 11:36 PM HAST · 3554 days ago · 43 km deep · 28 km away
22. 2.4140 km SW of Adak, AlaskaMon, Jan 9, 3:23 AM HAST · 3554 days ago · 41 km deep · 48 km away
23. 1.661 km SW of Adak, AlaskaMon, Jan 9, 6:41 PM HAST · 3553 days ago · 43 km deep · 50 km away
24. 2.1152 km WSW of Adak, AlaskaWed, Jan 11, 1:26 AM HAST · 3552 days ago · 64 km deep · 64 km away
25. 4.9107 km WSW of Adak, AlaskaWed, Jan 11, 9:42 AM HAST · 3552 days ago · 47 km deep · 7 km away · tsunami flag
26. 2.8114 km SW of Adak, AlaskaWed, Jan 11, 10:09 AM HAST · 3552 days ago · 49 km deep · 16 km away
27. 2.0113 km SW of Adak, AlaskaWed, Jan 11, 10:25 AM HAST · 3552 days ago · 20 km deep · 14 km away
28. 1.9111 km SW of Adak, AlaskaWed, Jan 11, 12:29 PM HAST · 3551 days ago · 25 km deep · 11 km away
29. 2.3161 km W of Adak, AlaskaWed, Jan 11, 1:40 PM HAST · 3551 days ago · 12 km deep · 88 km away
30. 2.350 km S of Adak, AlaskaThu, Jan 12, 6:09 AM HAST · 3551 days ago · 27 km deep · 80 km away
31. 4.0106 km WSW of Adak, AlaskaThu, Jan 12, 1:06 PM HAST · 3550 days ago · 60 km deep · 22 km away
32. 2.295 km WSW of Adak, AlaskaFri, Jan 13, 2:59 AM HAST · 3550 days ago · 63 km deep · 23 km away
33. 2.432 km SSE of Adak, AlaskaFri, Jan 13, 9:03 AM HAST · 3550 days ago · 52 km deep · 99 km away
34. 3.276 km SW of Adak, AlaskaSat, Jan 14, 11:28 AM HAST · 3548 days ago · 33 km deep · 26 km away
35. 1.876 km SW of Adak, AlaskaSat, Jan 14, 11:34 AM HAST · 3548 days ago · 25 km deep · 25 km away
36. 2.7173 km SW of Adak, AlaskaSun, Jan 15, 10:08 PM HAST · 3547 days ago · 36 km deep · 72 km away
37. 2.8159 km WSW of Adak, AlaskaSun, Jan 15, 10:15 PM HAST · 3547 days ago · 45 km deep · 58 km away
38. 2.5155 km WSW of Adak, AlaskaMon, Jan 16, 5:10 AM HAST · 3547 days ago · 41 km deep · 55 km away
39. 2.2113 km WSW of Adak, AlaskaMon, Jan 16, 10:11 AM HAST · 3547 days ago · 15 km deep · 17 km away
40. 2.2111 km SW of Adak, AlaskaWed, Jan 18, 4:38 PM HAST · 3544 days ago · 25 km deep · 13 km away
41. 2.652 km NW of Adak, AlaskaWed, Jan 18, 5:26 PM HAST · 3544 days ago · 182 km deep · 99 km away
42. 2.177 km WSW of Adak, AlaskaThu, Jan 19, 10:27 PM HAST · 3543 days ago · 66 km deep · 37 km away
43. 2.2124 km WSW of Adak, AlaskaFri, Jan 20, 12:32 AM HAST · 3543 days ago · 32 km deep · 34 km away
44. 2.6112 km WSW of Adak, AlaskaFri, Jan 20, 8:55 PM HAST · 3542 days ago · 48 km deep · 11 km away
45. 4.1129 km WSW of Adak, AlaskaSun, Jan 22, 4:44 AM HAST · 3541 days ago · 78 km deep · 37 km away
46. 2.0Andreanof Islands, Aleutian Islands, AlaskaSun, Jan 22, 9:52 AM HAST · 3541 days ago · 56 km deep · 80 km away
47. 1.969 km WSW of Adak, AlaskaSun, Jan 22, 4:14 PM HAST · 3540 days ago · 51 km deep · 34 km away
48. 2.884 km W of Adak, AlaskaMon, Jan 23, 12:07 PM HAST · 3539 days ago · 9 km deep · 52 km away
49. 2.887 km W of Adak, AlaskaMon, Jan 23, 12:08 PM HAST · 3539 days ago · 12 km deep · 49 km away
50. 4.291 km WSW of Adak, AlaskaMon, Jan 23, 12:41 PM HAST · 3539 days ago · 11 km deep · 37 km away
51. 1.986 km W of Adak, AlaskaMon, Jan 23, 12:45 PM HAST · 3539 days ago · 7 km deep · 54 km away
52. 2.784 km W of Adak, AlaskaMon, Jan 23, 12:46 PM HAST · 3539 days ago · 6 km deep · 48 km away
53. 2.187 km W of Adak, AlaskaMon, Jan 23, 12:50 PM HAST · 3539 days ago · 6 km deep · 53 km away
54. 1.986 km W of Adak, AlaskaMon, Jan 23, 12:59 PM HAST · 3539 days ago · 10 km deep · 53 km away
55. 2.088 km W of Adak, AlaskaMon, Jan 23, 1:01 PM HAST · 3539 days ago · 12 km deep · 52 km away
56. 2.384 km W of Adak, AlaskaMon, Jan 23, 1:06 PM HAST · 3539 days ago · 7 km deep · 51 km away
57. 3.690 km WSW of Adak, AlaskaMon, Jan 23, 1:11 PM HAST · 3539 days ago · 10 km deep · 12 km away
58. 2.3Andreanof Islands, Aleutian Islands, AlaskaMon, Jan 23, 1:14 PM HAST · 3539 days ago · 8 km deep · 53 km away
59. 4.485 km WSW of Adak, AlaskaMon, Jan 23, 1:16 PM HAST · 3539 days ago · 8 km deep · 31 km away
60. 1.887 km W of Adak, AlaskaMon, Jan 23, 1:23 PM HAST · 3539 days ago · 5 km deep · 53 km away

The first 60 of at least 199.

Before

1. 2.065 km W of Adak, AlaskaMon, Dec 19, 1:15 PM HAST · 3574 days ago · 83 km deep · 50 km away
2. 2.9132 km WSW of Adak, AlaskaThu, Dec 15, 3:43 AM HAST · 3579 days ago · 42 km deep · 42 km away
3. 2.5133 km WSW of Adak, AlaskaWed, Dec 14, 11:33 AM HAST · 3579 days ago · 55 km deep · 52 km away
4. 1.656 km WSW of Adak, AlaskaWed, Dec 14, 3:47 AM HAST · 3580 days ago · 18 km deep · 45 km away
5. 2.7133 km W of Adak, AlaskaMon, Dec 12, 8:03 AM HAST · 3582 days ago · 194 km deep · 59 km away
6. 1.7115 km WSW of Adak, AlaskaMon, Dec 12, 5:02 AM HAST · 3582 days ago · 26 km deep · 33 km away
7. 4.0133 km SW of Adak, AlaskaSat, Dec 10, 6:54 PM HAST · 3583 days ago · 47 km deep · 42 km away
8. 3.7Andreanof Islands, Aleutian Islands, AlaskaSat, Dec 10, 6:41 PM HAST · 3583 days ago · 116 km deep · 57 km away
9. 2.1126 km W of Adak, AlaskaSat, Dec 10, 9:21 AM HAST · 3584 days ago · 16 km deep · 63 km away
10. 2.073 km SW of Adak, AlaskaSat, Dec 10, 5:32 AM HAST · 3584 days ago · 37 km deep · 33 km away
11. 2.0123 km SW of Adak, AlaskaFri, Dec 9, 2:54 PM HAST · 3584 days ago · 25 km deep · 23 km away
12. 2.170 km W of Adak, AlaskaThu, Dec 8, 3:52 PM HAST · 3585 days ago · 12 km deep · 61 km away
13. 2.3Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 8, 2:09 PM HAST · 3585 days ago · 13 km deep · 23 km away
14. 1.9113 km SW of Adak, AlaskaThu, Dec 8, 2:07 PM HAST · 3585 days ago · 44 km deep · 14 km away
15. 1.863 km SSW of Adak, AlaskaThu, Dec 8, 7:23 AM HAST · 3586 days ago · 37 km deep · 56 km away
16. 2.3176 km W of Adak, AlaskaThu, Dec 8, 1:19 AM HAST · 3586 days ago · 97 km deep · 97 km away
17. 1.9106 km SW of Adak, AlaskaThu, Dec 8, 12:47 AM HAST · 3586 days ago · 41 km deep · 25 km away
18. 2.085 km SW of Adak, AlaskaWed, Dec 7, 8:44 PM HAST · 3586 days ago · 29 km deep · 30 km away
19. 1.729 km SSW of Adak, AlaskaWed, Dec 7, 8:37 AM HAST · 3587 days ago · 43 km deep · 83 km away
20. 3.396 km WSW of Adak, AlaskaWed, Dec 7, 8:15 AM HAST · 3587 days ago · 34 km deep · 26 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak016gb8ugss (also filed as ak14822317). Read Sat, Oct 3, 2026, 8:30 AM UTC.