M2.8 earthquake 51 km NW of Atka, Alaska

Magnitude

2.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Fri, Dec 21, 2018, 4:53 PM HAST

UTC

2018-12-22 02:53:51 UTC

Depth

174.1 km (108.2 mi), intermediate-depth

Epicenter

52.494° N, 174.776° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

After

1. 3.978 km NNW of Atka, AlaskaSat, Dec 22, 4:16 AM HAST · 2841 days ago · 237 km deep · 44 km away
2. 1.953 km SSW of Atka, AlaskaMon, Dec 24, 3:34 PM HAST · 2838 days ago · 16 km deep · 84 km away
3. 1.773 km E of Adak, AlaskaWed, Dec 26, 4:15 PM HAST · 2836 days ago · 31 km deep · 93 km away
4. 1.839 km SSE of Atka, AlaskaThu, Dec 27, 7:55 AM HAST · 2836 days ago · 36 km deep · 88 km away
5. 2.592 km SW of Atka, AlaskaSun, Dec 30, 11:17 AM HAST · 2833 days ago · 47 km deep · 99 km away
6. 1.646 km NE of Adak, AlaskaSun, Dec 30, 11:57 AM HAST · 2832 days ago · 5 km deep · 99 km away
7. 2.266 km SW of Atka, AlaskaSun, Dec 30, 7:12 PM HAST · 2832 days ago · 19 km deep · 81 km away
8. 3.087 km ENE of Adak, AlaskaWed, Jan 2, 1:38 AM HAST · 2830 days ago · 247 km deep · 57 km away
9. 1.928 km NNW of Atka, AlaskaWed, Jan 2, 4:04 AM HAST · 2830 days ago · 81 km deep · 30 km away
10. 1.874 km W of Atka, AlaskaWed, Jan 2, 5:37 AM HAST · 2830 days ago · 81 km deep · 46 km away
11. 1.854 km SW of Atka, AlaskaThu, Jan 3, 9:29 AM HAST · 2829 days ago · 49 km deep · 74 km away
12. 2.893 km NE of Adak, AlaskaFri, Jan 4, 2:53 PM HAST · 2827 days ago · 187 km deep · 56 km away
13. 3.620 km SSE of Atka, AlaskaSun, Jan 6, 12:14 AM HAST · 2826 days ago · 55 km deep · 71 km away
14. 2.331 km WSW of Atka, AlaskaMon, Jan 7, 12:14 AM HAST · 2825 days ago · 94 km deep · 51 km away
15. 1.646 km ENE of Adak, AlaskaTue, Jan 8, 6:13 AM HAST · 2824 days ago · 2 km deep · 98 km away
16. 1.645 km ENE of Adak, AlaskaFri, Jan 11, 11:18 AM HAST · 2821 days ago · 7 km deep · 99 km away
17. 3.672 km N of Atka, AlaskaSun, Jan 13, 9:57 PM HAST · 2818 days ago · 34 km deep · 56 km away
18. 2.052 km W of Atka, AlaskaWed, Jan 16, 3:13 AM HAST · 2816 days ago · 72 km deep · 28 km away
19. 2.350 km SSW of Atka, AlaskaWed, Jan 16, 7:41 PM HAST · 2815 days ago · 22 km deep · 81 km away
20. 2.372 km E of Adak, AlaskaWed, Jan 16, 10:18 PM HAST · 2815 days ago · 85 km deep · 87 km away
21. 2.231 km ESE of Atka, AlaskaTue, Jan 22, 4:25 AM HAST · 2810 days ago · 60 km deep · 81 km away
22. 2.675 km NE of Adak, AlaskaTue, Jan 29, 2:17 AM HAST · 2803 days ago · 158 km deep · 71 km away
23. 2.66 km NNW of Atka, AlaskaTue, Jan 29, 8:14 AM HAST · 2803 days ago · 143 km deep · 47 km away
24. 2.6Andreanof Islands, Aleutian Islands, AlaskaWed, Jan 30, 7:54 AM HAST · 2802 days ago · 11 km deep · 47 km away
25. 2.373 km E of Adak, AlaskaWed, Feb 6, 7:40 AM HAST · 2795 days ago · 65 km deep · 93 km away
26. 2.485 km W of Atka, AlaskaWed, Feb 6, 5:29 PM HAST · 2794 days ago · 108 km deep · 57 km away
27. 4.453 km ENE of Adak, AlaskaSun, Feb 10, 4:33 AM HAST · 2791 days ago · 157 km deep · 91 km away
28. 2.6Andreanof Islands, Aleutian Islands, AlaskaTue, Feb 12, 5:52 AM HAST · 2789 days ago · 7 km deep · 42 km away
29. 4.125 km SSW of Atka, AlaskaTue, Feb 12, 5:59 AM HAST · 2789 days ago · 4 km deep · 62 km away
30. 2.845 km NNW of Atka, AlaskaWed, Feb 13, 5:22 PM HAST · 2787 days ago · 161 km deep · 25 km away
31. 4.137 km S of Atka, AlaskaThu, Feb 14, 3:01 AM HAST · 2787 days ago · 67 km deep · 84 km away
32. 2.050 km S of Atka, AlaskaSat, Feb 16, 7:38 PM HAST · 2784 days ago · 0 km deep · 95 km away

Before

1. 2.512 km ENE of Atka, AlaskaThu, Dec 20, 11:12 PM HAST · 2842 days ago · 164 km deep · 57 km away
2. 2.122 km SW of Atka, AlaskaThu, Dec 20, 9:23 PM HAST · 2842 days ago · 64 km deep · 58 km away
3. 2.049 km ENE of Atka, AlaskaThu, Dec 20, 12:20 PM HAST · 2842 days ago · 6 km deep · 87 km away
4. 2.671 km ENE of Adak, AlaskaThu, Dec 20, 4:11 AM HAST · 2843 days ago · 142 km deep · 73 km away
5. 2.760 km SW of Atka, AlaskaTue, Dec 18, 7:28 AM HAST · 2845 days ago · 26 km deep · 73 km away
6. 1.531 km W of Atka, AlaskaSun, Dec 16, 8:36 PM HAST · 2846 days ago · 13 km deep · 37 km away
7. 2.466 km E of Adak, AlaskaSat, Dec 15, 4:03 PM HAST · 2847 days ago · 159 km deep · 84 km away
8. 1.692 km ESE of Adak, AlaskaSat, Dec 15, 11:15 AM HAST · 2848 days ago · 34 km deep · 96 km away
9. 1.856 km SSW of Atka, AlaskaSat, Dec 15, 2:46 AM HAST · 2848 days ago · 38 km deep · 84 km away
10. 2.642 km E of Atka, AlaskaFri, Dec 14, 7:50 AM HAST · 2849 days ago · 131 km deep · 90 km away
11. 1.880 km E of Adak, AlaskaThu, Dec 13, 1:22 AM HAST · 2850 days ago · 18 km deep · 93 km away
12. 2.415 km SE of Atka, AlaskaThu, Dec 13, 1:00 AM HAST · 2850 days ago · 135 km deep · 67 km away
13. 1.855 km SW of Atka, AlaskaWed, Dec 12, 12:12 PM HAST · 2850 days ago · 59 km deep · 66 km away
14. 1.518 km NE of Atka, AlaskaTue, Dec 11, 2:26 PM HAST · 2851 days ago · 19 km deep · 59 km away
15. 1.657 km SSW of Atka, AlaskaTue, Dec 11, 6:36 AM HAST · 2852 days ago · 18 km deep · 82 km away
16. 1.848 km E of Atka, AlaskaFri, Dec 7, 5:34 PM HAST · 2855 days ago · 16 km deep · 93 km away
17. 1.528 km W of Atka, AlaskaFri, Dec 7, 11:43 AM HAST · 2855 days ago · 13 km deep · 37 km away
18. 2.129 km W of Atka, AlaskaThu, Dec 6, 11:56 PM HAST · 2856 days ago · 11 km deep · 37 km away
19. 2.840 km E of Atka, AlaskaThu, Dec 6, 4:12 AM HAST · 2857 days ago · 35 km deep · 86 km away
20. 2.822 km NNW of Atka, AlaskaMon, Dec 3, 11:06 PM HAST · 2859 days ago · 206 km deep · 36 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018gcstvx4. Read Fri, Oct 2, 2026, 9:01 AM UTC.