M2.1 earthquake 56 km SSE of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Dec 20, 2018, 3:09 PM HAST

UTC

2018-12-21 01:09:09 UTC

Depth

23.2 km (14.4 mi), shallow

Epicenter

51.420° N, 176.274° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 1.937 km SSW of Adak, AlaskaThu, Dec 20, 7:28 PM HAST · 2843 days ago · 21 km deep · 48 km away
2. 1.837 km SSW of Adak, AlaskaFri, Dec 21, 1:24 AM HAST · 2843 days ago · 45 km deep · 47 km away
3. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Dec 21, 2:02 AM HAST · 2843 days ago · 34 km deep · 19 km away
4. 1.761 km WSW of Adak, AlaskaSat, Dec 22, 5:38 AM HAST · 2842 days ago · 65 km deep · 87 km away
5. 2.356 km ESE of Adak, AlaskaSat, Dec 22, 3:52 PM HAST · 2842 days ago · 66 km deep · 47 km away
6. 1.757 km SW of Adak, AlaskaSat, Dec 22, 7:16 PM HAST · 2842 days ago · 22 km deep · 65 km away
7. 2.063 km SE of Adak, AlaskaSun, Dec 23, 6:49 AM HAST · 2841 days ago · 30 km deep · 13 km away
8. 3.2115 km SSW of Atka, AlaskaMon, Dec 24, 1:44 AM HAST · 2840 days ago · 22 km deep · 88 km away
9. 2.7118 km SSW of Atka, AlaskaMon, Dec 24, 3:30 AM HAST · 2840 days ago · 26 km deep · 91 km away
10. 3.985 km SSW of Adak, AlaskaTue, Dec 25, 10:07 AM HAST · 2839 days ago · 10 km deep · 56 km away
11. 2.660 km SE of Adak, AlaskaWed, Dec 26, 12:20 PM HAST · 2838 days ago · 48 km deep · 14 km away
12. 1.773 km E of Adak, AlaskaWed, Dec 26, 4:15 PM HAST · 2838 days ago · 31 km deep · 65 km away
13. 2.160 km ESE of Adak, AlaskaWed, Dec 26, 9:20 PM HAST · 2837 days ago · 48 km deep · 44 km away
14. 1.665 km WSW of Adak, AlaskaThu, Dec 27, 10:19 PM HAST · 2836 days ago · 23 km deep · 85 km away
15. 2.6106 km SE of Adak, AlaskaFri, Dec 28, 12:48 AM HAST · 2836 days ago · 26 km deep · 64 km away
16. 2.556 km SE of Adak, AlaskaFri, Dec 28, 2:57 PM HAST · 2836 days ago · 31 km deep · 12 km away
17. 2.2Andreanof Islands, Aleutian Islands, AlaskaFri, Dec 28, 11:47 PM HAST · 2835 days ago · 25 km deep · 98 km away
18. 2.243 km ENE of Adak, AlaskaSat, Dec 29, 5:46 PM HAST · 2835 days ago · 9 km deep · 71 km away
19. 2.964 km SW of Adak, AlaskaSat, Dec 29, 8:11 PM HAST · 2834 days ago · 49 km deep · 79 km away
20. 3.8112 km SSW of Atka, AlaskaSat, Dec 29, 10:17 PM HAST · 2834 days ago · 31 km deep · 96 km away
21. 2.520 km SSE of Adak, AlaskaSat, Dec 29, 11:29 PM HAST · 2834 days ago · 53 km deep · 36 km away
22. 2.9117 km SSW of Atka, AlaskaSun, Dec 30, 2:53 AM HAST · 2834 days ago · 20 km deep · 92 km away
23. 1.959 km SSE of Adak, AlaskaSun, Dec 30, 6:53 AM HAST · 2834 days ago · 13 km deep · 8 km away
24. 2.592 km SW of Atka, AlaskaSun, Dec 30, 11:17 AM HAST · 2834 days ago · 47 km deep · 77 km away
25. 1.741 km ENE of Adak, AlaskaSun, Dec 30, 11:24 AM HAST · 2834 days ago · 2 km deep · 72 km away
26. 1.646 km NE of Adak, AlaskaSun, Dec 30, 11:57 AM HAST · 2834 days ago · 5 km deep · 78 km away
27. 2.581 km SW of Adak, AlaskaMon, Dec 31, 2:18 AM HAST · 2833 days ago · 42 km deep · 90 km away
28. 3.762 km SE of Adak, AlaskaMon, Dec 31, 3:59 AM HAST · 2833 days ago · 35 km deep · 19 km away
29. 3.078 km SE of Adak, AlaskaMon, Dec 31, 4:01 AM HAST · 2833 days ago · 35 km deep · 24 km away
30. 2.573 km SSE of Adak, AlaskaMon, Dec 31, 4:53 AM HAST · 2833 days ago · 35 km deep · 19 km away
31. 3.069 km SSE of Adak, AlaskaMon, Dec 31, 12:00 PM HAST · 2833 days ago · 35 km deep · 15 km away
32. 1.658 km WSW of Adak, AlaskaWed, Jan 2, 4:15 AM HAST · 2831 days ago · 48 km deep · 80 km away
33. 1.831 km S of Adak, AlaskaWed, Jan 2, 10:06 AM HAST · 2831 days ago · 45 km deep · 31 km away
34. 2.554 km S of Adak, AlaskaWed, Jan 2, 6:01 PM HAST · 2831 days ago · 35 km deep · 28 km away
35. 1.992 km SW of Adak, AlaskaThu, Jan 3, 12:44 PM HAST · 2830 days ago · 44 km deep · 98 km away
36. 2.060 km SE of Adak, AlaskaThu, Jan 3, 5:11 PM HAST · 2830 days ago · 21 km deep · 9 km away
37. 2.154 km SE of Adak, AlaskaFri, Jan 4, 3:49 AM HAST · 2829 days ago · 23 km deep · 9 km away
38. 2.254 km ESE of Adak, AlaskaSat, Jan 5, 11:23 AM HAST · 2828 days ago · 61 km deep · 40 km away
39. 2.2Andreanof Islands, Aleutian Islands, AlaskaTue, Jan 8, 1:39 AM HAST · 2825 days ago · 23 km deep · 25 km away
40. 1.646 km ENE of Adak, AlaskaTue, Jan 8, 6:13 AM HAST · 2825 days ago · 2 km deep · 73 km away
41. 2.520 km S of Adak, AlaskaWed, Jan 9, 6:35 AM HAST · 2824 days ago · 51 km deep · 37 km away
42. 2.018 km WSW of Adak, AlaskaWed, Jan 9, 10:53 AM HAST · 2824 days ago · 66 km deep · 60 km away
43. 1.963 km ESE of Adak, AlaskaWed, Jan 9, 3:40 PM HAST · 2824 days ago · 46 km deep · 33 km away
44. 2.170 km ESE of Adak, AlaskaWed, Jan 9, 8:00 PM HAST · 2823 days ago · 50 km deep · 46 km away
45. 2.4120 km SSW of Atka, AlaskaThu, Jan 10, 8:26 PM HAST · 2822 days ago · 26 km deep · 96 km away
46. 2.861 km WSW of Adak, AlaskaFri, Jan 11, 7:45 AM HAST · 2822 days ago · 74 km deep · 89 km away
47. 1.555 km SW of Adak, AlaskaFri, Jan 11, 7:48 AM HAST · 2822 days ago · 40 km deep · 56 km away
48. 2.952 km W of Adak, AlaskaFri, Jan 11, 8:41 AM HAST · 2822 days ago · 79 km deep · 92 km away
49. 1.645 km ENE of Adak, AlaskaFri, Jan 11, 11:18 AM HAST · 2822 days ago · 7 km deep · 73 km away
50. 3.0144 km S of Adak, AlaskaFri, Jan 11, 3:46 PM HAST · 2822 days ago · 10 km deep · 97 km away
51. 2.944 km S of Adak, AlaskaFri, Jan 11, 7:59 PM HAST · 2821 days ago · 36 km deep · 32 km away
52. 1.961 km WSW of Adak, AlaskaSat, Jan 12, 12:37 AM HAST · 2821 days ago · 20 km deep · 80 km away
53. 1.981 km WSW of Adak, AlaskaSun, Jan 13, 11:46 PM HAST · 2819 days ago · 34 km deep · 97 km away
54. 4.520 km SW of Adak, AlaskaMon, Jan 14, 11:37 AM HAST · 2819 days ago · 65 km deep · 51 km away
55. 2.234 km S of Adak, AlaskaMon, Jan 14, 12:46 PM HAST · 2819 days ago · 64 km deep · 31 km away
56. 2.448 km SE of Adak, AlaskaMon, Jan 14, 2:38 PM HAST · 2819 days ago · 56 km deep · 26 km away
57. 2.6121 km SSW of Atka, AlaskaTue, Jan 15, 4:14 AM HAST · 2818 days ago · 17 km deep · 90 km away
58. 2.420 km SW of Adak, AlaskaTue, Jan 15, 7:54 AM HAST · 2818 days ago · 60 km deep · 56 km away
59. 2.276 km ESE of Adak, AlaskaTue, Jan 15, 8:42 AM HAST · 2818 days ago · 51 km deep · 58 km away
60. 3.371 km SSW of Adak, AlaskaWed, Jan 16, 7:47 AM HAST · 2817 days ago · 35 km deep · 54 km away

The first 60 of 121.

Before

1. 2.544 km E of Adak, AlaskaThu, Dec 20, 9:18 AM HAST · 2844 days ago · 77 km deep · 61 km away
2. 2.671 km ENE of Adak, AlaskaThu, Dec 20, 4:11 AM HAST · 2844 days ago · 142 km deep · 95 km away
3. 1.940 km ENE of Adak, AlaskaThu, Dec 20, 1:46 AM HAST · 2844 days ago · 5 km deep · 72 km away
4. 4.1101 km ESE of Adak, AlaskaTue, Dec 18, 10:29 PM HAST · 2845 days ago · 10 km deep · 70 km away
5. 1.561 km SW of Adak, AlaskaTue, Dec 18, 9:00 PM HAST · 2845 days ago · 16 km deep · 77 km away
6. 3.244 km SSE of Adak, AlaskaTue, Dec 18, 2:36 PM HAST · 2846 days ago · 28 km deep · 12 km away
7. 2.243 km E of Adak, AlaskaTue, Dec 18, 1:43 AM HAST · 2846 days ago · 146 km deep · 58 km away
8. 1.797 km S of Adak, AlaskaMon, Dec 17, 11:37 PM HAST · 2846 days ago · 16 km deep · 58 km away
9. 1.899 km S of Adak, AlaskaMon, Dec 17, 11:22 PM HAST · 2846 days ago · 16 km deep · 61 km away
10. 2.466 km E of Adak, AlaskaSat, Dec 15, 4:03 PM HAST · 2849 days ago · 159 km deep · 74 km away
11. 1.692 km ESE of Adak, AlaskaSat, Dec 15, 11:15 AM HAST · 2849 days ago · 34 km deep · 73 km away
12. 1.632 km SSW of Adak, AlaskaSat, Dec 15, 8:31 AM HAST · 2849 days ago · 38 km deep · 42 km away
13. 1.736 km SSE of Adak, AlaskaFri, Dec 14, 11:11 PM HAST · 2849 days ago · 46 km deep · 21 km away
14. 2.85 km SSE of Adak, AlaskaThu, Dec 13, 9:29 PM HAST · 2850 days ago · 92 km deep · 51 km away
15. 1.77 km N of Adak, AlaskaThu, Dec 13, 12:03 PM HAST · 2851 days ago · 7 km deep · 63 km away
16. 2.0106 km ESE of Adak, AlaskaThu, Dec 13, 4:51 AM HAST · 2851 days ago · 25 km deep · 72 km away
17. 1.880 km E of Adak, AlaskaThu, Dec 13, 1:22 AM HAST · 2851 days ago · 18 km deep · 67 km away
18. 1.834 km S of Adak, AlaskaWed, Dec 12, 10:41 PM HAST · 2851 days ago · 41 km deep · 33 km away
19. 1.760 km SSW of Adak, AlaskaTue, Dec 11, 9:17 PM HAST · 2852 days ago · 31 km deep · 51 km away
20. 2.330 km SSE of Adak, AlaskaTue, Dec 11, 2:29 AM HAST · 2853 days ago · 46 km deep · 26 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018gb4fl3j. Read Sat, Oct 3, 2026, 4:47 PM UTC.