M1.5 earthquake 18 km NE of Atka, Alaska

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Tue, Dec 11, 2018, 2:26 PM HAST

UTC

2018-12-12 00:26:38 UTC

Depth

18.8 km (11.7 mi), shallow

Epicenter

52.294° N, 173.974° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.2 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.11

Depth from

From location

Station coverage gap

279°, poorly surrounded by stations

Stations used

5

After

1. 1.855 km SW of Atka, AlaskaWed, Dec 12, 12:12 PM HAST · 2850 days ago · 59 km deep · 74 km away
2. 2.415 km SE of Atka, AlaskaThu, Dec 13, 1:00 AM HAST · 2849 days ago · 135 km deep · 24 km away
3. 2.642 km E of Atka, AlaskaFri, Dec 14, 7:50 AM HAST · 2848 days ago · 131 km deep · 31 km away
4. 1.856 km SSW of Atka, AlaskaSat, Dec 15, 2:46 AM HAST · 2847 days ago · 38 km deep · 73 km away
5. 2.179 km ESE of Atka, AlaskaSun, Dec 16, 3:07 AM HAST · 2846 days ago · 33 km deep · 73 km away
6. 2.260 km SSE of Atka, AlaskaSun, Dec 16, 10:04 AM HAST · 2846 days ago · 34 km deep · 69 km away
7. 1.531 km W of Atka, AlaskaSun, Dec 16, 8:36 PM HAST · 2845 days ago · 13 km deep · 49 km away
8. 2.760 km SW of Atka, AlaskaTue, Dec 18, 7:28 AM HAST · 2844 days ago · 26 km deep · 80 km away
9. 3.393 km SSE of Atka, AlaskaTue, Dec 18, 6:44 PM HAST · 2843 days ago · 35 km deep · 96 km away
10. 2.049 km ENE of Atka, AlaskaThu, Dec 20, 12:20 PM HAST · 2842 days ago · 6 km deep · 32 km away
11. 2.122 km SW of Atka, AlaskaThu, Dec 20, 9:23 PM HAST · 2841 days ago · 64 km deep · 41 km away
12. 2.512 km ENE of Atka, AlaskaThu, Dec 20, 11:12 PM HAST · 2841 days ago · 164 km deep · 7 km away
13. 2.851 km NW of Atka, AlaskaFri, Dec 21, 4:53 PM HAST · 2840 days ago · 174 km deep · 59 km away
14. 3.978 km NNW of Atka, AlaskaSat, Dec 22, 4:16 AM HAST · 2840 days ago · 237 km deep · 76 km away
15. 2.392 km SE of Atka, AlaskaSat, Dec 22, 5:56 PM HAST · 2839 days ago · 13 km deep · 87 km away
16. 1.953 km SSW of Atka, AlaskaMon, Dec 24, 3:34 PM HAST · 2837 days ago · 16 km deep · 70 km away
17. 2.6107 km E of Atka, AlaskaWed, Dec 26, 3:26 PM HAST · 2835 days ago · 10 km deep · 91 km away
18. 2.5112 km E of Atka, AlaskaWed, Dec 26, 5:57 PM HAST · 2835 days ago · 38 km deep · 95 km away
19. 1.839 km SSE of Atka, AlaskaThu, Dec 27, 7:55 AM HAST · 2835 days ago · 36 km deep · 48 km away
20. 2.266 km SW of Atka, AlaskaSun, Dec 30, 7:12 PM HAST · 2831 days ago · 19 km deep · 85 km away
21. 1.928 km NNW of Atka, AlaskaWed, Jan 2, 4:04 AM HAST · 2829 days ago · 81 km deep · 30 km away
22. 1.874 km W of Atka, AlaskaWed, Jan 2, 5:37 AM HAST · 2829 days ago · 81 km deep · 90 km away
23. 1.854 km SW of Atka, AlaskaThu, Jan 3, 9:29 AM HAST · 2828 days ago · 49 km deep · 73 km away
24. 3.665 km E of Atka, AlaskaThu, Jan 3, 8:19 PM HAST · 2827 days ago · 100 km deep · 49 km away
25. 3.620 km SSE of Atka, AlaskaSun, Jan 6, 12:14 AM HAST · 2825 days ago · 55 km deep · 29 km away
26. 2.331 km WSW of Atka, AlaskaMon, Jan 7, 12:14 AM HAST · 2824 days ago · 94 km deep · 50 km away
27. 3.672 km N of Atka, AlaskaSun, Jan 13, 9:57 PM HAST · 2817 days ago · 34 km deep · 64 km away
28. 2.052 km W of Atka, AlaskaWed, Jan 16, 3:13 AM HAST · 2815 days ago · 72 km deep · 67 km away
29. 2.350 km SSW of Atka, AlaskaWed, Jan 16, 7:41 PM HAST · 2814 days ago · 22 km deep · 68 km away
30. 2.886 km ESE of Atka, AlaskaWed, Jan 16, 9:16 PM HAST · 2814 days ago · 35 km deep · 81 km away
31. 2.231 km ESE of Atka, AlaskaTue, Jan 22, 4:25 AM HAST · 2809 days ago · 60 km deep · 25 km away
32. 2.66 km NNW of Atka, AlaskaTue, Jan 29, 8:14 AM HAST · 2802 days ago · 143 km deep · 17 km away
33. 2.6Andreanof Islands, Aleutian Islands, AlaskaWed, Jan 30, 7:54 AM HAST · 2801 days ago · 11 km deep · 56 km away

Before

1. 1.657 km SSW of Atka, AlaskaTue, Dec 11, 6:36 AM HAST · 2851 days ago · 18 km deep · 75 km away
2. 3.1108 km ENE of Atka, AlaskaTue, Dec 11, 3:59 AM HAST · 2851 days ago · 146 km deep · 90 km away
3. 1.951 km SSE of Atka, AlaskaSat, Dec 8, 8:07 AM HAST · 2854 days ago · 9 km deep · 59 km away
4. 1.848 km E of Atka, AlaskaFri, Dec 7, 5:34 PM HAST · 2854 days ago · 16 km deep · 35 km away
5. 1.528 km W of Atka, AlaskaFri, Dec 7, 11:43 AM HAST · 2855 days ago · 13 km deep · 46 km away
6. 2.129 km W of Atka, AlaskaThu, Dec 6, 11:56 PM HAST · 2855 days ago · 11 km deep · 47 km away
7. 2.840 km E of Atka, AlaskaThu, Dec 6, 4:12 AM HAST · 2856 days ago · 35 km deep · 27 km away
8. 2.822 km NNW of Atka, AlaskaMon, Dec 3, 11:06 PM HAST · 2858 days ago · 206 km deep · 23 km away
9. 2.883 km S of Atka, AlaskaSun, Dec 2, 3:04 PM HAST · 2860 days ago · 35 km deep · 97 km away
10. 2.157 km SW of Atka, AlaskaThu, Nov 29, 3:52 PM HAST · 2862 days ago · 40 km deep · 76 km away
11. 2.433 km NNE of Atka, AlaskaWed, Nov 28, 11:45 AM HAST · 2864 days ago · 60 km deep · 18 km away
12. 2.250 km SSW of Atka, AlaskaMon, Nov 26, 7:17 AM HAST · 2866 days ago · 20 km deep · 67 km away
13. 4.753 km N of Atka, AlaskaWed, Nov 21, 1:14 PM HAST · 2871 days ago · 194 km deep · 48 km away
14. 2.176 km SE of Atka, AlaskaWed, Nov 21, 12:43 AM HAST · 2871 days ago · 30 km deep · 72 km away
15. 2.228 km SE of Atka, AlaskaTue, Nov 20, 4:07 PM HAST · 2871 days ago · 147 km deep · 31 km away
16. 1.723 km SW of Atka, AlaskaTue, Nov 20, 9:15 AM HAST · 2872 days ago · 75 km deep · 43 km away
17. 1.660 km SW of Atka, AlaskaSun, Nov 18, 4:59 AM HAST · 2874 days ago · 25 km deep · 79 km away
18. 2.060 km SW of Atka, AlaskaSat, Nov 17, 6:34 PM HAST · 2874 days ago · 22 km deep · 79 km away
19. 1.563 km SSW of Atka, AlaskaSat, Nov 17, 8:18 AM HAST · 2875 days ago · 22 km deep · 80 km away
20. 3.012 km SE of Atka, AlaskaSat, Nov 17, 2:31 AM HAST · 2875 days ago · 10 km deep · 22 km away

From the USGS Earthquake Hazards Program and its partner networks, event av61850556. Read Thu, Oct 1, 2026, 12:54 PM UTC.