M1.6 earthquake 26 km N of Atka, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, Jun 18, 2018, 3:38 AM HADT

UTC

2018-06-18 12:38:43 UTC

Depth

7.4 km (4.6 mi), shallow

Epicenter

52.429° N, 174.230° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

303°, poorly surrounded by stations

Stations used

6

After

1. 1.719 km N of Atka, AlaskaWed, Jun 20, 2:27 AM HADT · 3025 days ago · 5 km deep · 8 km away
2. 1.680 km WSW of Atka, AlaskaThu, Jun 21, 3:21 PM HADT · 3024 days ago · 8 km deep · 87 km away
3. 1.680 km WSW of Atka, AlaskaThu, Jun 21, 3:24 PM HADT · 3024 days ago · 7 km deep · 88 km away
4. 1.734 km SE of Atka, AlaskaThu, Jun 21, 8:12 PM HADT · 3024 days ago · 66 km deep · 58 km away
5. 1.749 km S of Atka, AlaskaFri, Jun 22, 8:40 PM HADT · 3023 days ago · 37 km deep · 75 km away
6. 2.020 km W of Atka, AlaskaMon, Jun 25, 7:03 PM HADT · 3020 days ago · 88 km deep · 35 km away
7. 2.071 km E of Atka, AlaskaTue, Jun 26, 4:30 AM HADT · 3019 days ago · 10 km deep · 76 km away
8. 3.037 km SSE of Atka, AlaskaWed, Jun 27, 12:20 PM HADT · 3018 days ago · 60 km deep · 63 km away
9. 3.166 km SSW of Atka, AlaskaFri, Jun 29, 1:02 AM HADT · 3016 days ago · 29 km deep · 89 km away
10. 2.024 km ESE of Atka, AlaskaFri, Jun 29, 1:33 AM HADT · 3016 days ago · 145 km deep · 43 km away
11. 2.153 km SW of Atka, AlaskaFri, Jun 29, 1:15 PM HADT · 3016 days ago · 17 km deep · 75 km away
12. 4.272 km SSE of Atka, AlaskaTue, Jul 3, 9:17 AM HADT · 3012 days ago · 40 km deep · 97 km away
13. 3.369 km NE of Atka, AlaskaWed, Jul 4, 4:12 PM HADT · 3011 days ago · 244 km deep · 58 km away
14. 1.6Andreanof Islands, Aleutian Islands, AlaskaThu, Jul 5, 3:25 AM HADT · 3010 days ago · 37 km deep · 70 km away
15. 2.165 km SW of Atka, AlaskaSat, Jul 7, 7:52 AM HADT · 3008 days ago · 53 km deep · 84 km away
16. 2.427 km SSE of Atka, AlaskaSun, Jul 8, 2:18 AM HADT · 3007 days ago · 161 km deep · 52 km away
17. 2.314 km S of Atka, AlaskaMon, Jul 9, 9:29 PM HADT · 3006 days ago · 190 km deep · 41 km away
18. 1.961 km SSE of Atka, AlaskaWed, Jul 11, 11:24 AM HADT · 3004 days ago · 40 km deep · 87 km away
19. 2.369 km SSE of Atka, AlaskaWed, Jul 11, 12:48 PM HADT · 3004 days ago · 4 km deep · 94 km away
20. 1.733 km S of Atka, AlaskaThu, Jul 12, 4:44 AM HADT · 3003 days ago · 53 km deep · 59 km away
21. 2.155 km WSW of Atka, AlaskaThu, Jul 12, 8:14 AM HADT · 3003 days ago · 71 km deep · 66 km away
22. 2.863 km NNE of Atka, AlaskaFri, Jul 13, 6:19 PM HADT · 3002 days ago · 158 km deep · 42 km away
23. 2.419 km SSW of Atka, AlaskaMon, Jul 16, 1:11 PM HADT · 2999 days ago · 103 km deep · 43 km away
24. 1.867 km SSW of Atka, AlaskaMon, Jul 16, 2:56 PM HADT · 2999 days ago · 26 km deep · 93 km away
25. 1.844 km S of Atka, AlaskaTue, Jul 17, 6:10 AM HADT · 2998 days ago · 16 km deep · 70 km away
26. 2.762 km N of Atka, AlaskaTue, Jul 17, 1:32 PM HADT · 2998 days ago · 161 km deep · 37 km away
27. 1.657 km SW of Atka, AlaskaTue, Jul 17, 11:00 PM HADT · 2998 days ago · 57 km deep · 74 km away
28. 2.796 km NNE of Atka, AlaskaWed, Jul 18, 6:55 AM HADT · 2997 days ago · 220 km deep · 74 km away
29. 1.661 km W of Atka, AlaskaWed, Jul 18, 10:03 AM HADT · 2997 days ago · 13 km deep · 68 km away
30. 3.646 km SSE of Atka, AlaskaThu, Jul 19, 12:09 PM HADT · 2996 days ago · 51 km deep · 71 km away
31. 2.561 km S of Atka, AlaskaSat, Jul 21, 5:35 PM HADT · 2994 days ago · 14 km deep · 87 km away
32. 3.451 km NE of Atka, AlaskaSun, Jul 22, 12:25 AM HADT · 2993 days ago · 155 km deep · 43 km away
33. 2.755 km ENE of Atka, AlaskaMon, Jul 23, 7:00 AM HADT · 2992 days ago · 161 km deep · 56 km away
34. 2.371 km SSE of Atka, AlaskaTue, Jul 24, 9:55 AM HADT · 2991 days ago · 14 km deep · 95 km away
35. 1.917 km NW of Atka, AlaskaWed, Jul 25, 9:41 AM HADT · 2990 days ago · 174 km deep · 20 km away
36. 1.765 km SW of Atka, AlaskaWed, Jul 25, 8:44 PM HADT · 2990 days ago · 42 km deep · 84 km away
37. 2.444 km S of Atka, AlaskaMon, Aug 6, 6:31 PM HADT · 2978 days ago · 27 km deep · 70 km away
38. 3.958 km NNW of Atka, AlaskaTue, Aug 7, 5:51 AM HADT · 2977 days ago · 221 km deep · 36 km away
39. 3.059 km NW of Atka, AlaskaWed, Aug 8, 4:34 PM HADT · 2976 days ago · 109 km deep · 47 km away
40. 2.675 km SSE of Atka, AlaskaWed, Aug 8, 7:25 PM HADT · 2976 days ago · 28 km deep · 100 km away
41. 3.059 km SSW of Atka, AlaskaThu, Aug 9, 12:15 PM HADT · 2975 days ago · 35 km deep · 84 km away
42. 3.479 km NNE of Atka, AlaskaFri, Aug 10, 10:21 AM HADT · 2974 days ago · 246 km deep · 58 km away
43. 1.673 km SW of Atka, AlaskaSat, Aug 11, 4:07 AM HADT · 2973 days ago · 19 km deep · 93 km away
44. 2.668 km W of Atka, AlaskaSun, Aug 12, 12:11 AM HADT · 2972 days ago · 208 km deep · 66 km away
45. 2.881 km NNE of Atka, AlaskaSun, Aug 12, 7:03 PM HADT · 2972 days ago · 212 km deep · 60 km away
46. 2.655 km NW of Atka, AlaskaMon, Aug 13, 2:19 AM HADT · 2971 days ago · 192 km deep · 37 km away
47. 4.116 km SSE of Atka, AlaskaTue, Aug 14, 12:00 PM HADT · 2970 days ago · 7 km deep · 42 km away
48. 3.31 km S of Atka, AlaskaTue, Aug 14, 12:19 PM HADT · 2970 days ago · 10 km deep · 27 km away
49. 2.381 km WSW of Atka, AlaskaWed, Aug 15, 12:19 PM HADT · 2969 days ago · 84 km deep · 88 km away
50. 2.639 km NW of Atka, AlaskaWed, Aug 15, 4:42 PM HADT · 2969 days ago · 145 km deep · 24 km away
51. 3.014 km NNW of Atka, AlaskaThu, Aug 16, 9:58 PM HADT · 2968 days ago · 124 km deep · 12 km away

Before

1. 2.137 km SSW of Atka, AlaskaFri, Jun 15, 4:57 PM HADT · 3030 days ago · 63 km deep · 60 km away
2. 1.576 km SW of Atka, AlaskaWed, Jun 13, 8:12 PM HADT · 3032 days ago · 32 km deep · 98 km away
3. 1.666 km SW of Atka, AlaskaWed, Jun 13, 5:38 PM HADT · 3032 days ago · 51 km deep · 84 km away
4. 2.4Andreanof Islands, Aleutian Islands, AlaskaWed, Jun 13, 8:49 AM HADT · 3032 days ago · 199 km deep · 30 km away
5. 3.874 km SE of Atka, AlaskaTue, Jun 12, 11:35 AM HADT · 3033 days ago · 49 km deep · 96 km away
6. 2.116 km SSW of Atka, AlaskaMon, Jun 11, 12:02 PM HADT · 3034 days ago · 177 km deep · 41 km away
7. 2.367 km SW of Atka, AlaskaSat, Jun 9, 7:15 PM HADT · 3036 days ago · 26 km deep · 88 km away
8. 3.967 km SW of Atka, AlaskaSat, Jun 9, 5:23 PM HADT · 3036 days ago · 42 km deep · 88 km away
9. 1.868 km SW of Atka, AlaskaSat, Jun 9, 5:15 PM HADT · 3036 days ago · 25 km deep · 89 km away
10. 3.080 km NE of Atka, AlaskaSat, Jun 9, 4:37 PM HADT · 3036 days ago · 176 km deep · 70 km away
11. 2.261 km S of Atka, AlaskaFri, Jun 8, 11:38 AM HADT · 3037 days ago · 8 km deep · 87 km away
12. 2.061 km SSE of Atka, AlaskaThu, Jun 7, 10:01 AM HADT · 3038 days ago · 17 km deep · 87 km away
13. 1.678 km WSW of Atka, AlaskaWed, Jun 6, 6:26 AM HADT · 3039 days ago · 109 km deep · 87 km away
14. 2.411 km NNW of Atka, AlaskaTue, Jun 5, 5:06 PM HADT · 3040 days ago · 172 km deep · 15 km away
15. 4.375 km NE of Atka, AlaskaTue, Jun 5, 1:45 PM HADT · 3040 days ago · 182 km deep · 63 km away
16. 2.2Andreanof Islands, Aleutian Islands, AlaskaTue, Jun 5, 12:17 PM HADT · 3040 days ago · 113 km deep · 52 km away
17. 2.576 km ESE of Atka, AlaskaTue, Jun 5, 4:46 AM HADT · 3040 days ago · 57 km deep · 87 km away
18. 2.050 km SW of Atka, AlaskaSun, Jun 3, 8:56 PM HADT · 3042 days ago · 54 km deep · 71 km away
19. 2.050 km SW of Atka, AlaskaFri, Jun 1, 6:14 PM HADT · 3044 days ago · 58 km deep · 68 km away
20. 2.220 km SW of Atka, AlaskaFri, Jun 1, 7:47 AM HADT · 3044 days ago · 188 km deep · 42 km away

From the USGS Earthquake Hazards Program and its partner networks, event av61729021. Read Thu, Oct 1, 2026, 8:08 PM UTC.