M1.6 earthquake 94 km SW of Atka, Alaska

Magnitude

1.6 (ml), micro

Local time

Wed, Feb 17, 2021, 7:56 PM HAST

UTC

2021-02-18 05:56:29 UTC

Depth

20.0 km (12.4 mi), shallow

Epicenter

51.540° N, 175.081° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

13

After

1. 1.884 km S of Atka, AlaskaWed, Feb 17, 10:50 PM HAST · 2049 days ago · 3 km deep · 56 km away
2. 1.824 km W of Atka, AlaskaThu, Feb 18, 8:05 PM HAST · 2049 days ago · 25 km deep · 81 km away
3. 2.059 km SE of Adak, AlaskaThu, Feb 18, 8:48 PM HAST · 2048 days ago · 41 km deep · 71 km away
4. 3.075 km SSE of Adak, AlaskaFri, Feb 19, 4:40 AM HAST · 2048 days ago · 35 km deep · 72 km away
5. 1.991 km ESE of Adak, AlaskaFri, Feb 19, 5:06 PM HAST · 2048 days ago · 25 km deep · 22 km away
6. 1.797 km ESE of Adak, AlaskaFri, Feb 19, 7:02 PM HAST · 2048 days ago · 29 km deep · 16 km away
7. 1.973 km SSW of Atka, AlaskaSat, Feb 20, 12:51 AM HAST · 2047 days ago · 14 km deep · 46 km away
8. 1.864 km SSE of Adak, AlaskaSat, Feb 20, 2:09 AM HAST · 2047 days ago · 22 km deep · 87 km away
9. 1.877 km ESE of Adak, AlaskaSun, Feb 21, 4:42 AM HAST · 2046 days ago · 27 km deep · 42 km away
10. 1.874 km SE of Adak, AlaskaSun, Feb 21, 5:13 AM HAST · 2046 days ago · 18 km deep · 58 km away
11. 2.772 km SSE of Adak, AlaskaSun, Feb 21, 1:02 PM HAST · 2046 days ago · 35 km deep · 73 km away
12. 2.7105 km ESE of Adak, AlaskaSun, Feb 21, 3:45 PM HAST · 2046 days ago · 33 km deep · 14 km away
13. 2.872 km SE of Adak, AlaskaSun, Feb 21, 5:03 PM HAST · 2046 days ago · 31 km deep · 67 km away
14. 1.961 km SE of Adak, AlaskaSun, Feb 21, 9:33 PM HAST · 2045 days ago · 23 km deep · 67 km away
15. 2.098 km ESE of Adak, AlaskaMon, Feb 22, 3:54 PM HAST · 2045 days ago · 37 km deep · 15 km away
16. 1.920 km SE of Atka, AlaskaTue, Feb 23, 4:00 AM HAST · 2044 days ago · 16 km deep · 91 km away
17. 3.362 km WSW of Atka, AlaskaTue, Feb 23, 5:02 AM HAST · 2044 days ago · 69 km deep · 53 km away
18. 3.161 km ESE of Adak, AlaskaThu, Feb 25, 5:38 AM HAST · 2042 days ago · 35 km deep · 56 km away
19. 1.936 km ESE of Adak, AlaskaThu, Feb 25, 1:15 PM HAST · 2042 days ago · 71 km deep · 77 km away
20. 1.896 km SW of Atka, AlaskaThu, Feb 25, 11:09 PM HAST · 2041 days ago · 30 km deep · 7 km away
21. 2.2128 km S of Atka, AlaskaFri, Feb 26, 2:16 AM HAST · 2041 days ago · 7 km deep · 79 km away
22. 2.330 km S of Atka, AlaskaFri, Feb 26, 3:36 AM HAST · 2041 days ago · 159 km deep · 76 km away
23. 1.648 km S of Atka, AlaskaFri, Feb 26, 5:16 PM HAST · 2041 days ago · 56 km deep · 64 km away
24. 2.067 km SE of Adak, AlaskaFri, Feb 26, 7:53 PM HAST · 2041 days ago · 26 km deep · 63 km away
25. 1.761 km SE of Adak, AlaskaFri, Feb 26, 7:55 PM HAST · 2041 days ago · 13 km deep · 70 km away
26. 2.97 km E of Atka, AlaskaSat, Feb 27, 8:04 AM HAST · 2040 days ago · 183 km deep · 99 km away
27. 1.993 km ESE of Adak, AlaskaSat, Feb 27, 4:13 PM HAST · 2040 days ago · 26 km deep · 27 km away
28. 1.546 km SSE of Adak, AlaskaSat, Feb 27, 9:11 PM HAST · 2039 days ago · 28 km deep · 88 km away
29. 2.246 km SSE of Atka, AlaskaSun, Feb 28, 3:07 AM HAST · 2039 days ago · 49 km deep · 87 km away
30. 4.266 km SSW of Atka, AlaskaMon, Mar 1, 6:32 AM HAST · 2038 days ago · 63 km deep · 33 km away
31. 2.986 km SE of Adak, AlaskaMon, Mar 1, 11:49 PM HAST · 2037 days ago · 35 km deep · 42 km away
32. 1.758 km SE of Adak, AlaskaTue, Mar 2, 5:04 PM HAST · 2037 days ago · 32 km deep · 62 km away
33. 4.461 km WSW of Atka, AlaskaTue, Mar 2, 8:51 PM HAST · 2036 days ago · 67 km deep · 41 km away · felt by 1
34. 3.860 km S of Atka, AlaskaThu, Mar 4, 1:15 AM HAST · 2035 days ago · 10 km deep · 65 km away
35. 2.773 km SW of Atka, AlaskaThu, Mar 4, 5:56 PM HAST · 2035 days ago · 35 km deep · 22 km away
36. 1.682 km SE of Adak, AlaskaSat, Mar 6, 5:37 AM HAST · 2033 days ago · 25 km deep · 42 km away
37. 2.425 km S of Atka, AlaskaSat, Mar 6, 12:48 PM HAST · 2033 days ago · 97 km deep · 81 km away
38. 3.142 km SSE of Atka, AlaskaSat, Mar 6, 2:14 PM HAST · 2033 days ago · 27 km deep · 81 km away
39. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 6, 4:34 PM HAST · 2033 days ago · 20 km deep · 46 km away
40. 1.7Andreanof Islands, Aleutian Islands, AlaskaMon, Mar 8, 4:04 AM HAST · 2031 days ago · 23 km deep · 73 km away
41. 1.762 km SE of Adak, AlaskaMon, Mar 8, 4:19 AM HAST · 2031 days ago · 21 km deep · 72 km away
42. 2.853 km SSE of Atka, AlaskaMon, Mar 8, 5:38 PM HAST · 2031 days ago · 159 km deep · 76 km away
43. 1.972 km ESE of Adak, AlaskaMon, Mar 8, 7:05 PM HAST · 2031 days ago · 51 km deep · 46 km away
44. 3.181 km SSW of Atka, AlaskaTue, Mar 9, 1:34 PM HAST · 2030 days ago · 35 km deep · 30 km away
45. 2.867 km SE of Adak, AlaskaWed, Mar 10, 12:01 AM HAST · 2029 days ago · 30 km deep · 66 km away
46. 1.556 km E of Adak, AlaskaWed, Mar 10, 12:19 AM HAST · 2029 days ago · 47 km deep · 58 km away
47. 1.859 km SSW of Atka, AlaskaWed, Mar 10, 6:42 PM HAST · 2029 days ago · 15 km deep · 38 km away
48. 1.845 km E of Adak, AlaskaThu, Mar 11, 1:13 AM HAST · 2028 days ago · 97 km deep · 75 km away
49. 2.712 km WNW of Atka, AlaskaThu, Mar 11, 6:04 PM HAST · 2028 days ago · 186 km deep · 93 km away
50. 2.783 km S of Atka, AlaskaFri, Mar 12, 8:38 PM HAST · 2026 days ago · 69 km deep · 59 km away
51. 1.551 km SE of Adak, AlaskaSat, Mar 13, 2:15 AM HAST · 2026 days ago · 25 km deep · 77 km away
52. 1.938 km SSW of Atka, AlaskaSat, Mar 13, 4:27 PM HAST · 2026 days ago · 57 km deep · 59 km away
53. 4.033 km S of Atka, AlaskaSun, Mar 14, 8:13 PM HADT · 2025 days ago · 23 km deep · 72 km away
54. 2.792 km SW of Atka, AlaskaMon, Mar 15, 2:30 AM HADT · 2024 days ago · 34 km deep · 17 km away
55. 1.983 km SW of Atka, AlaskaMon, Mar 15, 12:54 PM HADT · 2024 days ago · 26 km deep · 14 km away
56. 2.1100 km ESE of Adak, AlaskaMon, Mar 15, 5:14 PM HADT · 2024 days ago · 26 km deep · 15 km away
57. 2.087 km ESE of Adak, AlaskaTue, Mar 16, 9:39 AM HADT · 2023 days ago · 36 km deep · 26 km away
58. 1.951 km E of Adak, AlaskaTue, Mar 16, 1:13 PM HADT · 2023 days ago · 131 km deep · 65 km away
59. 1.689 km SW of Atka, AlaskaTue, Mar 16, 1:41 PM HADT · 2023 days ago · 26 km deep · 14 km away
60. 4.737 km SSW of Atka, AlaskaWed, Mar 17, 9:00 AM HADT · 2022 days ago · 65 km deep · 62 km away

The first 60 of 141.

Before

1. 1.766 km SSE of Adak, AlaskaWed, Feb 17, 8:45 AM HAST · 2050 days ago · 14 km deep · 96 km away
2. 1.945 km SSE of Adak, AlaskaWed, Feb 17, 3:20 AM HAST · 2050 days ago · 48 km deep · 94 km away
3. 2.860 km WSW of Atka, AlaskaWed, Feb 17, 1:24 AM HAST · 2050 days ago · 67 km deep · 43 km away
4. 2.2162 km SE of Adak, AlaskaWed, Feb 17, 1:16 AM HAST · 2050 days ago · 5 km deep · 85 km away
5. 3.7100 km SW of Atka, AlaskaTue, Feb 16, 9:50 AM HAST · 2051 days ago · 40 km deep · 5 km away
6. 1.931 km S of Atka, AlaskaMon, Feb 15, 10:51 PM HAST · 2051 days ago · 58 km deep · 75 km away
7. 3.176 km SSW of Atka, AlaskaThu, Feb 11, 8:19 AM HAST · 2056 days ago · 35 km deep · 21 km away
8. 1.847 km SSW of Atka, AlaskaTue, Feb 9, 7:38 PM HAST · 2058 days ago · 44 km deep · 49 km away
9. 2.0102 km SSW of Atka, AlaskaTue, Feb 9, 5:13 PM HAST · 2058 days ago · 25 km deep · 25 km away
10. 1.517 km SSW of Atka, AlaskaTue, Feb 9, 3:15 PM HAST · 2058 days ago · 12 km deep · 78 km away
11. 3.498 km S of Atka, AlaskaTue, Feb 9, 5:11 AM HAST · 2058 days ago · 10 km deep · 64 km away
12. 2.175 km SSE of Adak, AlaskaMon, Feb 8, 9:50 PM HAST · 2058 days ago · 26 km deep · 88 km away
13. 2.148 km ESE of Adak, AlaskaMon, Feb 8, 1:50 PM HAST · 2059 days ago · 73 km deep · 65 km away
14. 2.732 km S of Atka, AlaskaSun, Feb 7, 10:12 PM HAST · 2059 days ago · 76 km deep · 72 km away
15. 3.560 km SE of Adak, AlaskaSun, Feb 7, 9:37 PM HAST · 2059 days ago · 34 km deep · 72 km away
16. 1.895 km ESE of Adak, AlaskaSun, Feb 7, 8:29 PM HAST · 2060 days ago · 26 km deep · 22 km away
17. 2.599 km SSE of Adak, AlaskaSun, Feb 7, 2:50 PM HAST · 2060 days ago · 20 km deep · 89 km away
18. 3.784 km SSE of Adak, AlaskaSun, Feb 7, 5:43 AM HAST · 2060 days ago · 37 km deep · 89 km away
19. 2.030 km E of Adak, AlaskaSat, Feb 6, 8:40 PM HAST · 2060 days ago · 77 km deep · 84 km away
20. 2.158 km SSE of Adak, AlaskaFri, Feb 5, 5:56 AM HAST · 2062 days ago · 23 km deep · 89 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021294n8lx. Read Tue, Sep 29, 2026, 6:01 PM UTC.