M1.6 earthquake 46 km NE of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Sun, Dec 30, 2018, 11:57 AM HAST

UTC

2018-12-30 21:57:06 UTC

Depth

4.5 km (2.8 mi), shallow

Epicenter

52.114° N, 176.087° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.8 km horizontally, 1.0 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

253°, poorly surrounded by stations

Stations used

5

After

1. 2.266 km SW of Atka, AlaskaSun, Dec 30, 7:12 PM HAST · 2832 days ago · 19 km deep · 92 km away
2. 3.762 km SE of Adak, AlaskaMon, Dec 31, 3:59 AM HAST · 2831 days ago · 35 km deep · 72 km away
3. 3.078 km SE of Adak, AlaskaMon, Dec 31, 4:01 AM HAST · 2831 days ago · 35 km deep · 91 km away
4. 2.573 km SSE of Adak, AlaskaMon, Dec 31, 4:53 AM HAST · 2831 days ago · 35 km deep · 89 km away
5. 3.069 km SSE of Adak, AlaskaMon, Dec 31, 12:00 PM HAST · 2831 days ago · 35 km deep · 86 km away
6. 3.087 km ENE of Adak, AlaskaWed, Jan 2, 1:38 AM HAST · 2829 days ago · 247 km deep · 41 km away
7. 1.874 km W of Atka, AlaskaWed, Jan 2, 5:37 AM HAST · 2829 days ago · 81 km deep · 56 km away
8. 1.831 km S of Adak, AlaskaWed, Jan 2, 10:06 AM HAST · 2829 days ago · 45 km deep · 69 km away
9. 2.554 km S of Adak, AlaskaWed, Jan 2, 6:01 PM HAST · 2829 days ago · 35 km deep · 90 km away
10. 1.854 km SW of Atka, AlaskaThu, Jan 3, 9:29 AM HAST · 2828 days ago · 49 km deep · 98 km away
11. 2.060 km SE of Adak, AlaskaThu, Jan 3, 5:11 PM HAST · 2828 days ago · 21 km deep · 77 km away
12. 2.154 km SE of Adak, AlaskaFri, Jan 4, 3:49 AM HAST · 2827 days ago · 23 km deep · 71 km away
13. 2.893 km NE of Adak, AlaskaFri, Jan 4, 2:53 PM HAST · 2827 days ago · 187 km deep · 47 km away
14. 2.254 km ESE of Adak, AlaskaSat, Jan 5, 11:23 AM HAST · 2826 days ago · 61 km deep · 48 km away
15. 2.2Andreanof Islands, Aleutian Islands, AlaskaTue, Jan 8, 1:39 AM HAST · 2823 days ago · 23 km deep · 88 km away
16. 1.646 km ENE of Adak, AlaskaTue, Jan 8, 6:13 AM HAST · 2823 days ago · 2 km deep · 7 km away
17. 2.520 km S of Adak, AlaskaWed, Jan 9, 6:35 AM HAST · 2822 days ago · 51 km deep · 58 km away
18. 2.018 km WSW of Adak, AlaskaWed, Jan 9, 10:53 AM HAST · 2822 days ago · 66 km deep · 64 km away
19. 1.963 km ESE of Adak, AlaskaWed, Jan 9, 3:40 PM HAST · 2822 days ago · 46 km deep · 63 km away
20. 2.170 km ESE of Adak, AlaskaWed, Jan 9, 8:00 PM HAST · 2822 days ago · 50 km deep · 60 km away
21. 1.555 km SW of Adak, AlaskaFri, Jan 11, 7:48 AM HAST · 2820 days ago · 40 km deep · 100 km away
22. 2.952 km W of Adak, AlaskaFri, Jan 11, 8:41 AM HAST · 2820 days ago · 79 km deep · 94 km away
23. 1.645 km ENE of Adak, AlaskaFri, Jan 11, 11:18 AM HAST · 2820 days ago · 7 km deep · 7 km away
24. 2.944 km S of Adak, AlaskaFri, Jan 11, 7:59 PM HAST · 2820 days ago · 36 km deep · 83 km away
25. 4.520 km SW of Adak, AlaskaMon, Jan 14, 11:37 AM HAST · 2817 days ago · 65 km deep · 66 km away
26. 2.234 km S of Adak, AlaskaMon, Jan 14, 12:46 PM HAST · 2817 days ago · 64 km deep · 72 km away
27. 2.448 km SE of Adak, AlaskaMon, Jan 14, 2:38 PM HAST · 2817 days ago · 56 km deep · 55 km away
28. 2.420 km SW of Adak, AlaskaTue, Jan 15, 7:54 AM HAST · 2816 days ago · 60 km deep · 66 km away
29. 2.276 km ESE of Adak, AlaskaTue, Jan 15, 8:42 AM HAST · 2816 days ago · 51 km deep · 59 km away
30. 2.052 km W of Atka, AlaskaWed, Jan 16, 3:13 AM HAST · 2815 days ago · 72 km deep · 79 km away
31. 1.554 km SSE of Adak, AlaskaWed, Jan 16, 6:49 PM HAST · 2815 days ago · 7 km deep · 84 km away
32. 2.372 km E of Adak, AlaskaWed, Jan 16, 10:18 PM HAST · 2814 days ago · 85 km deep · 43 km away
33. 2.544 km SE of Adak, AlaskaThu, Jan 17, 9:35 PM HAST · 2813 days ago · 43 km deep · 59 km away
34. 2.634 km ESE of Adak, AlaskaFri, Jan 18, 7:19 AM HAST · 2813 days ago · 134 km deep · 35 km away
35. 2.296 km ESE of Adak, AlaskaSun, Jan 20, 4:17 PM HAST · 2811 days ago · 25 km deep · 83 km away
36. 2.545 km SSE of Adak, AlaskaMon, Jan 21, 12:13 PM HAST · 2810 days ago · 34 km deep · 73 km away
37. 1.944 km S of Adak, AlaskaMon, Jan 21, 7:38 PM HAST · 2810 days ago · 24 km deep · 84 km away
38. 2.644 km SSE of Adak, AlaskaWed, Jan 23, 6:57 AM HAST · 2808 days ago · 55 km deep · 65 km away
39. 2.364 km S of Adak, AlaskaWed, Jan 23, 7:56 AM HAST · 2808 days ago · 26 km deep · 95 km away
40. 4.169 km SSE of Adak, AlaskaThu, Jan 24, 10:43 PM HAST · 2806 days ago · 35 km deep · 90 km away
41. 2.274 km SSE of Adak, AlaskaThu, Jan 24, 10:56 PM HAST · 2806 days ago · 20 km deep · 99 km away
42. 2.218 km S of Adak, AlaskaFri, Jan 25, 4:04 AM HAST · 2806 days ago · 65 km deep · 60 km away
43. 2.154 km SW of Adak, AlaskaSat, Jan 26, 2:19 AM HAST · 2805 days ago · 37 km deep · 99 km away
44. 1.853 km SW of Adak, AlaskaSat, Jan 26, 2:22 AM HAST · 2805 days ago · 40 km deep · 98 km away
45. 2.20 km SSE of Adak, AlaskaSat, Jan 26, 2:36 PM HAST · 2805 days ago · 75 km deep · 46 km away
46. 3.193 km ESE of Adak, AlaskaSat, Jan 26, 7:48 PM HAST · 2805 days ago · 35 km deep · 87 km away
47. 1.853 km SSE of Adak, AlaskaSun, Jan 27, 5:03 AM HAST · 2804 days ago · 24 km deep · 74 km away
48. 1.737 km WSW of Adak, AlaskaSun, Jan 27, 10:57 AM HAST · 2804 days ago · 69 km deep · 82 km away
49. 2.326 km SW of Adak, AlaskaMon, Jan 28, 1:03 AM HAST · 2803 days ago · 67 km deep · 72 km away
50. 2.031 km S of Adak, AlaskaMon, Jan 28, 7:24 PM HAST · 2803 days ago · 52 km deep · 70 km away
51. 2.675 km NE of Adak, AlaskaTue, Jan 29, 2:17 AM HAST · 2802 days ago · 158 km deep · 30 km away
52. 2.044 km S of Adak, AlaskaTue, Jan 29, 9:14 AM HAST · 2802 days ago · 26 km deep · 80 km away
53. 2.361 km SSE of Adak, AlaskaTue, Jan 29, 8:44 PM HAST · 2801 days ago · 10 km deep · 79 km away
54. 2.6Andreanof Islands, Aleutian Islands, AlaskaWed, Jan 30, 7:54 AM HAST · 2801 days ago · 11 km deep · 94 km away
55. 2.577 km SSE of Adak, AlaskaThu, Jan 31, 11:38 AM HAST · 2800 days ago · 10 km deep · 97 km away
56. 2.574 km ESE of Adak, AlaskaFri, Feb 1, 1:51 PM HAST · 2799 days ago · 35 km deep · 66 km away
57. 1.541 km ENE of Adak, AlaskaSat, Feb 2, 6:02 PM HAST · 2798 days ago · 4 km deep · 5 km away
58. 3.853 km S of Adak, AlaskaMon, Feb 4, 8:15 AM HAST · 2796 days ago · 40 km deep · 87 km away
59. 3.860 km ESE of Adak, AlaskaMon, Feb 4, 3:56 PM HAST · 2796 days ago · 50 km deep · 53 km away · felt by 2
60. 2.324 km SSE of Adak, AlaskaMon, Feb 4, 9:27 PM HAST · 2795 days ago · 48 km deep · 56 km away

The first 60 of 98.

Before

1. 1.741 km ENE of Adak, AlaskaSun, Dec 30, 11:24 AM HAST · 2832 days ago · 2 km deep · 6 km away
2. 2.592 km SW of Atka, AlaskaSun, Dec 30, 11:17 AM HAST · 2832 days ago · 47 km deep · 79 km away
3. 1.959 km SSE of Adak, AlaskaSun, Dec 30, 6:53 AM HAST · 2832 days ago · 13 km deep · 76 km away
4. 2.520 km SSE of Adak, AlaskaSat, Dec 29, 11:29 PM HAST · 2832 days ago · 53 km deep · 52 km away
5. 2.243 km ENE of Adak, AlaskaSat, Dec 29, 5:46 PM HAST · 2833 days ago · 9 km deep · 7 km away
6. 2.556 km SE of Adak, AlaskaFri, Dec 28, 2:57 PM HAST · 2834 days ago · 31 km deep · 71 km away
7. 2.6106 km SE of Adak, AlaskaFri, Dec 28, 12:48 AM HAST · 2834 days ago · 26 km deep · 100 km away
8. 2.160 km ESE of Adak, AlaskaWed, Dec 26, 9:20 PM HAST · 2835 days ago · 48 km deep · 51 km away
9. 1.773 km E of Adak, AlaskaWed, Dec 26, 4:15 PM HAST · 2836 days ago · 31 km deep · 48 km away
10. 2.660 km SE of Adak, AlaskaWed, Dec 26, 12:20 PM HAST · 2836 days ago · 48 km deep · 74 km away
11. 2.063 km SE of Adak, AlaskaSun, Dec 23, 6:49 AM HAST · 2839 days ago · 30 km deep · 78 km away
12. 2.356 km ESE of Adak, AlaskaSat, Dec 22, 3:52 PM HAST · 2840 days ago · 66 km deep · 44 km away
13. 2.851 km NW of Atka, AlaskaFri, Dec 21, 4:53 PM HAST · 2841 days ago · 174 km deep · 99 km away
14. 1.9Andreanof Islands, Aleutian Islands, AlaskaFri, Dec 21, 2:02 AM HAST · 2841 days ago · 34 km deep · 63 km away
15. 1.837 km SSW of Adak, AlaskaFri, Dec 21, 1:24 AM HAST · 2841 days ago · 45 km deep · 81 km away
16. 1.937 km SSW of Adak, AlaskaThu, Dec 20, 7:28 PM HAST · 2842 days ago · 21 km deep · 81 km away
17. 2.156 km SSE of Adak, AlaskaThu, Dec 20, 3:09 PM HAST · 2842 days ago · 23 km deep · 78 km away
18. 2.544 km E of Adak, AlaskaThu, Dec 20, 9:18 AM HAST · 2842 days ago · 77 km deep · 20 km away
19. 2.671 km ENE of Adak, AlaskaThu, Dec 20, 4:11 AM HAST · 2842 days ago · 142 km deep · 26 km away
20. 1.940 km ENE of Adak, AlaskaThu, Dec 20, 1:46 AM HAST · 2842 days ago · 5 km deep · 6 km away

From the USGS Earthquake Hazards Program and its partner networks, event av70818719. Read Thu, Oct 1, 2026, 5:46 PM UTC.