M1.8 earthquake 84 km S of Atka, Alaska

Magnitude

1.8 (ml), micro

Local time

Wed, Feb 17, 2021, 10:50 PM HAST

UTC

2021-02-18 08:50:30 UTC

Depth

2.5 km (1.6 mi), shallow

Epicenter

51.438° N, 174.295° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

15

After

1. 1.824 km W of Atka, AlaskaThu, Feb 18, 8:05 PM HAST · 2043 days ago · 25 km deep · 86 km away
2. 2.9151 km SSE of Atka, AlaskaThu, Feb 18, 11:32 PM HAST · 2043 days ago · 10 km deep · 75 km away
3. 2.365 km SE of Atka, AlaskaFri, Feb 19, 4:07 AM HAST · 2043 days ago · 90 km deep · 60 km away
4. 2.673 km SE of Atka, AlaskaFri, Feb 19, 12:47 PM HAST · 2042 days ago · 55 km deep · 61 km away
5. 2.6107 km SE of Atka, AlaskaFri, Feb 19, 4:13 PM HAST · 2042 days ago · 35 km deep · 86 km away
6. 1.991 km ESE of Adak, AlaskaFri, Feb 19, 5:06 PM HAST · 2042 days ago · 25 km deep · 78 km away
7. 1.797 km ESE of Adak, AlaskaFri, Feb 19, 7:02 PM HAST · 2042 days ago · 29 km deep · 72 km away
8. 1.973 km SSW of Atka, AlaskaSat, Feb 20, 12:51 AM HAST · 2042 days ago · 14 km deep · 16 km away
9. 3.028 km E of Atka, AlaskaSat, Feb 20, 4:43 PM HAST · 2041 days ago · 181 km deep · 93 km away
10. 1.877 km ESE of Adak, AlaskaSun, Feb 21, 4:42 AM HAST · 2041 days ago · 27 km deep · 96 km away
11. 2.7105 km ESE of Adak, AlaskaSun, Feb 21, 3:45 PM HAST · 2040 days ago · 33 km deep · 66 km away
12. 2.098 km ESE of Adak, AlaskaMon, Feb 22, 3:54 PM HAST · 2039 days ago · 37 km deep · 71 km away
13. 1.920 km SE of Atka, AlaskaTue, Feb 23, 4:00 AM HAST · 2039 days ago · 16 km deep · 70 km away
14. 3.362 km WSW of Atka, AlaskaTue, Feb 23, 5:02 AM HAST · 2039 days ago · 69 km deep · 84 km away
15. 2.967 km ESE of Atka, AlaskaThu, Feb 25, 11:15 AM HAST · 2036 days ago · 54 km deep · 85 km away
16. 1.896 km SW of Atka, AlaskaThu, Feb 25, 11:09 PM HAST · 2036 days ago · 30 km deep · 62 km away
17. 2.2128 km S of Atka, AlaskaFri, Feb 26, 2:16 AM HAST · 2036 days ago · 7 km deep · 44 km away
18. 2.330 km S of Atka, AlaskaFri, Feb 26, 3:36 AM HAST · 2036 days ago · 159 km deep · 55 km away
19. 1.648 km S of Atka, AlaskaFri, Feb 26, 5:16 PM HAST · 2035 days ago · 56 km deep · 36 km away
20. 2.97 km E of Atka, AlaskaSat, Feb 27, 8:04 AM HAST · 2035 days ago · 183 km deep · 84 km away
21. 1.993 km ESE of Adak, AlaskaSat, Feb 27, 4:13 PM HAST · 2034 days ago · 26 km deep · 80 km away
22. 2.246 km SSE of Atka, AlaskaSun, Feb 28, 3:07 AM HAST · 2034 days ago · 49 km deep · 50 km away
23. 4.266 km SSW of Atka, AlaskaMon, Mar 1, 6:32 AM HAST · 2033 days ago · 63 km deep · 36 km away
24. 2.986 km SE of Adak, AlaskaMon, Mar 1, 11:49 PM HAST · 2032 days ago · 35 km deep · 94 km away
25. 4.461 km WSW of Atka, AlaskaTue, Mar 2, 8:51 PM HAST · 2031 days ago · 67 km deep · 69 km away · felt by 1
26. 1.815 km NE of Atka, AlaskaTue, Mar 2, 10:58 PM HAST · 2031 days ago · 11 km deep · 99 km away
27. 3.860 km S of Atka, AlaskaThu, Mar 4, 1:15 AM HAST · 2030 days ago · 10 km deep · 26 km away
28. 2.773 km SW of Atka, AlaskaThu, Mar 4, 5:56 PM HAST · 2029 days ago · 35 km deep · 50 km away
29. 1.682 km SE of Adak, AlaskaSat, Mar 6, 5:37 AM HAST · 2028 days ago · 25 km deep · 96 km away
30. 2.425 km S of Atka, AlaskaSat, Mar 6, 12:48 PM HAST · 2027 days ago · 97 km deep · 61 km away
31. 3.142 km SSE of Atka, AlaskaSat, Mar 6, 2:14 PM HAST · 2027 days ago · 27 km deep · 48 km away
32. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Mar 6, 4:34 PM HAST · 2027 days ago · 20 km deep · 100 km away
33. 2.958 km ESE of Atka, AlaskaSun, Mar 7, 1:23 AM HAST · 2027 days ago · 10 km deep · 80 km away
34. 2.853 km SSE of Atka, AlaskaMon, Mar 8, 5:38 PM HAST · 2025 days ago · 159 km deep · 37 km away
35. 2.6138 km SSE of Atka, AlaskaMon, Mar 8, 9:05 PM HAST · 2025 days ago · 23 km deep · 62 km away
36. 3.181 km SSW of Atka, AlaskaTue, Mar 9, 1:34 PM HAST · 2024 days ago · 35 km deep · 26 km away
37. 1.859 km SSW of Atka, AlaskaWed, Mar 10, 6:42 PM HAST · 2023 days ago · 15 km deep · 39 km away
38. 2.223 km ESE of Atka, AlaskaWed, Mar 10, 7:27 PM HAST · 2023 days ago · 104 km deep · 81 km away
39. 2.712 km WNW of Atka, AlaskaThu, Mar 11, 6:04 PM HAST · 2022 days ago · 186 km deep · 90 km away
40. 2.783 km S of Atka, AlaskaFri, Mar 12, 8:38 PM HAST · 2021 days ago · 69 km deep · 4 km away
41. 1.938 km SSW of Atka, AlaskaSat, Mar 13, 4:27 PM HAST · 2020 days ago · 57 km deep · 49 km away
42. 2.183 km SSE of Atka, AlaskaSun, Mar 14, 12:45 AM HAST · 2020 days ago · 13 km deep · 50 km away
43. 4.033 km S of Atka, AlaskaSun, Mar 14, 8:13 PM HADT · 2019 days ago · 23 km deep · 51 km away
44. 2.792 km SW of Atka, AlaskaMon, Mar 15, 2:30 AM HADT · 2019 days ago · 34 km deep · 69 km away
45. 1.983 km SW of Atka, AlaskaMon, Mar 15, 12:54 PM HADT · 2018 days ago · 26 km deep · 44 km away
46. 2.1100 km ESE of Adak, AlaskaMon, Mar 15, 5:14 PM HADT · 2018 days ago · 26 km deep · 70 km away
47. 2.6181 km S of Atka, AlaskaMon, Mar 15, 8:40 PM HADT · 2018 days ago · 25 km deep · 98 km away
48. 2.087 km ESE of Adak, AlaskaTue, Mar 16, 9:39 AM HADT · 2018 days ago · 36 km deep · 82 km away
49. 1.689 km SW of Atka, AlaskaTue, Mar 16, 1:41 PM HADT · 2017 days ago · 26 km deep · 64 km away
50. 2.427 km E of Atka, AlaskaTue, Mar 16, 4:11 PM HADT · 2017 days ago · 124 km deep · 88 km away
51. 4.737 km SSW of Atka, AlaskaWed, Mar 17, 9:00 AM HADT · 2017 days ago · 65 km deep · 49 km away
52. 2.043 km SSW of Atka, AlaskaWed, Mar 17, 1:18 PM HADT · 2016 days ago · 47 km deep · 43 km away
53. 1.872 km SW of Atka, AlaskaFri, Mar 19, 4:18 AM HADT · 2015 days ago · 25 km deep · 51 km away
54. 2.6100 km ESE of Adak, AlaskaFri, Mar 19, 7:30 AM HADT · 2015 days ago · 28 km deep · 69 km away
55. 2.5104 km ESE of Adak, AlaskaFri, Mar 19, 7:35 AM HADT · 2015 days ago · 35 km deep · 68 km away
56. 3.192 km SE of Adak, AlaskaFri, Mar 19, 9:13 AM HADT · 2015 days ago · 32 km deep · 87 km away
57. 2.210 km NNW of Atka, AlaskaFri, Mar 19, 1:36 PM HADT · 2014 days ago · 114 km deep · 93 km away
58. 2.6121 km SSE of Atka, AlaskaFri, Mar 19, 6:28 PM HADT · 2014 days ago · 35 km deep · 51 km away
59. 2.990 km SE of Atka, AlaskaSat, Mar 20, 12:11 AM HADT · 2014 days ago · 35 km deep · 77 km away
60. 2.214 km SSW of Atka, AlaskaSat, Mar 20, 6:36 PM HADT · 2013 days ago · 134 km deep · 71 km away

The first 60 of 112.

Before

1. 1.544 km SE of Atka, AlaskaWed, Feb 17, 9:41 PM HAST · 2044 days ago · 5 km deep · 65 km away
2. 1.694 km SW of Atka, AlaskaWed, Feb 17, 7:56 PM HAST · 2044 days ago · 20 km deep · 56 km away
3. 2.860 km WSW of Atka, AlaskaWed, Feb 17, 1:24 AM HAST · 2045 days ago · 67 km deep · 70 km away
4. 2.2162 km SE of Adak, AlaskaWed, Feb 17, 1:16 AM HAST · 2045 days ago · 5 km deep · 93 km away
5. 3.7100 km SW of Atka, AlaskaTue, Feb 16, 9:50 AM HAST · 2046 days ago · 40 km deep · 59 km away
6. 1.931 km S of Atka, AlaskaMon, Feb 15, 10:51 PM HAST · 2046 days ago · 58 km deep · 54 km away
7. 3.070 km SE of Atka, AlaskaSun, Feb 14, 5:26 AM HAST · 2048 days ago · 35 km deep · 69 km away
8. 3.176 km SSW of Atka, AlaskaThu, Feb 11, 8:19 AM HAST · 2051 days ago · 35 km deep · 42 km away
9. 1.847 km SSW of Atka, AlaskaTue, Feb 9, 7:38 PM HAST · 2052 days ago · 44 km deep · 45 km away
10. 2.0102 km SSW of Atka, AlaskaTue, Feb 9, 5:13 PM HAST · 2052 days ago · 25 km deep · 40 km away
11. 1.517 km SSW of Atka, AlaskaTue, Feb 9, 3:15 PM HAST · 2052 days ago · 12 km deep · 68 km away
12. 3.498 km S of Atka, AlaskaTue, Feb 9, 5:11 AM HAST · 2053 days ago · 10 km deep · 15 km away
13. 2.136 km E of Atka, AlaskaSun, Feb 7, 11:36 PM HAST · 2054 days ago · 156 km deep · 89 km away
14. 2.732 km S of Atka, AlaskaSun, Feb 7, 10:12 PM HAST · 2054 days ago · 76 km deep · 52 km away
15. 1.895 km ESE of Adak, AlaskaSun, Feb 7, 8:29 PM HAST · 2054 days ago · 26 km deep · 76 km away
16. 1.756 km SSE of Atka, AlaskaThu, Feb 4, 7:11 PM HAST · 2057 days ago · 18 km deep · 35 km away
17. 1.832 km SSE of Atka, AlaskaThu, Feb 4, 5:12 PM HAST · 2057 days ago · 62 km deep · 58 km away
18. 1.956 km SSW of Atka, AlaskaWed, Feb 3, 7:28 PM HAST · 2058 days ago · 17 km deep · 45 km away
19. 2.693 km SW of Atka, AlaskaWed, Feb 3, 12:01 AM HAST · 2059 days ago · 35 km deep · 61 km away
20. 3.128 km ESE of Atka, AlaskaTue, Feb 2, 10:29 PM HAST · 2059 days ago · 95 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021296e95l. Read Thu, Sep 24, 2026, 7:57 AM UTC.