M1.8 earthquake 139 km WSW of Adak, Alaska

Magnitude

1.8 (ml), micro

Local time

Mon, Feb 22, 2021, 8:06 PM HAST

UTC

2021-02-23 06:06:11 UTC

Depth

24.6 km (15.3 mi), shallow

Epicenter

51.290° N, 178.416° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

22

After

1. 2.893 km WSW of Adak, AlaskaTue, Feb 23, 12:58 AM HAST · 2041 days ago · 35 km deep · 47 km away
2. 2.2169 km WSW of Adak, AlaskaTue, Feb 23, 2:28 AM HAST · 2041 days ago · 20 km deep · 30 km away
3. 1.9170 km W of Adak, AlaskaTue, Feb 23, 3:24 AM HAST · 2041 days ago · 5 km deep · 71 km away
4. 1.876 km SSW of Adak, AlaskaTue, Feb 23, 4:38 PM HAST · 2040 days ago · 36 km deep · 86 km away
5. 1.762 km SW of Adak, AlaskaTue, Feb 23, 6:09 PM HAST · 2040 days ago · 33 km deep · 80 km away
6. 1.587 km W of Adak, AlaskaWed, Feb 24, 1:29 AM HAST · 2040 days ago · 5 km deep · 72 km away
7. 2.0143 km WSW of Adak, AlaskaWed, Feb 24, 11:09 PM HAST · 2039 days ago · 25 km deep · 8 km away
8. 2.074 km WSW of Adak, AlaskaFri, Feb 26, 8:00 AM HAST · 2038 days ago · 66 km deep · 65 km away
9. 1.763 km SSW of Adak, AlaskaFri, Feb 26, 2:13 PM HAST · 2037 days ago · 27 km deep · 100 km away
10. 1.8128 km WSW of Adak, AlaskaSat, Feb 27, 1:22 AM HAST · 2037 days ago · 13 km deep · 38 km away
11. 2.0116 km WSW of Adak, AlaskaSat, Feb 27, 9:33 PM HAST · 2036 days ago · 85 km deep · 41 km away
12. 2.2191 km WSW of Adak, AlaskaSat, Feb 27, 10:58 PM HAST · 2036 days ago · 67 km deep · 61 km away
13. 5.4185 km WSW of Adak, AlaskaSun, Feb 28, 12:44 AM HAST · 2036 days ago · 22 km deep · 46 km away · felt by 2 · tsunami flag
14. 4.4217 km WSW of Adak, AlaskaTue, Mar 2, 12:02 AM HAST · 2034 days ago · 15 km deep · 78 km away
15. 4.7211 km WSW of Adak, AlaskaTue, Mar 2, 2:21 PM HAST · 2033 days ago · 10 km deep · 72 km away
16. 3.4213 km WSW of Adak, AlaskaThu, Mar 4, 1:55 AM HAST · 2032 days ago · 10 km deep · 74 km away
17. 2.8113 km WSW of Adak, AlaskaSat, Mar 6, 8:55 PM HAST · 2029 days ago · 17 km deep · 26 km away
18. 2.0119 km W of Adak, AlaskaMon, Mar 8, 8:28 AM HAST · 2027 days ago · 9 km deep · 64 km away
19. 3.1123 km WSW of Adak, AlaskaMon, Mar 8, 1:52 PM HAST · 2027 days ago · 30 km deep · 20 km away
20. 1.6117 km W of Adak, AlaskaMon, Mar 8, 3:59 PM HAST · 2027 days ago · 15 km deep · 61 km away
21. 1.8122 km WSW of Adak, AlaskaMon, Mar 8, 6:31 PM HAST · 2027 days ago · 13 km deep · 34 km away
22. 1.9148 km SW of Adak, AlaskaMon, Mar 8, 9:15 PM HAST · 2027 days ago · 21 km deep · 16 km away
23. 1.9130 km WSW of Adak, AlaskaMon, Mar 8, 10:44 PM HAST · 2027 days ago · 45 km deep · 9 km away
24. 1.8152 km WSW of Adak, AlaskaTue, Mar 9, 8:20 PM HAST · 2026 days ago · 20 km deep · 17 km away
25. 1.5127 km WSW of Adak, AlaskaTue, Mar 9, 11:45 PM HAST · 2026 days ago · 18 km deep · 12 km away
26. 1.584 km W of Adak, AlaskaWed, Mar 10, 1:11 AM HAST · 2026 days ago · 8 km deep · 76 km away
27. 1.6103 km WSW of Adak, AlaskaWed, Mar 10, 1:12 AM HAST · 2026 days ago · 5 km deep · 39 km away
28. 1.8133 km WSW of Adak, AlaskaWed, Mar 10, 2:10 AM HAST · 2026 days ago · 36 km deep · 9 km away
29. 1.7176 km W of Adak, AlaskaWed, Mar 10, 3:33 AM HAST · 2026 days ago · 14 km deep · 74 km away
30. 2.1179 km WSW of Adak, AlaskaWed, Mar 10, 11:00 AM HAST · 2025 days ago · 20 km deep · 44 km away
31. 3.3190 km WSW of Adak, AlaskaWed, Mar 10, 3:12 PM HAST · 2025 days ago · 68 km deep · 68 km away
32. 1.5133 km W of Adak, AlaskaThu, Mar 11, 6:13 AM HAST · 2025 days ago · 7 km deep · 43 km away
33. 2.893 km SW of Adak, AlaskaFri, Mar 12, 1:09 PM HAST · 2023 days ago · 39 km deep · 53 km away
34. 1.7111 km WSW of Adak, AlaskaFri, Mar 12, 4:21 PM HAST · 2023 days ago · 13 km deep · 34 km away
35. 2.074 km SSW of Adak, AlaskaFri, Mar 12, 7:22 PM HAST · 2023 days ago · 51 km deep · 87 km away
36. 1.871 km WSW of Adak, AlaskaSat, Mar 13, 1:38 PM HAST · 2022 days ago · 68 km deep · 72 km away
37. 3.3Andreanof Islands, Aleutian Islands, AlaskaSun, Mar 14, 4:18 AM HADT · 2022 days ago · 35 km deep · 78 km away
38. 3.0148 km SW of Adak, AlaskaMon, Mar 15, 2:14 AM HADT · 2021 days ago · 10 km deep · 26 km away
39. 2.1140 km WSW of Adak, AlaskaMon, Mar 15, 7:59 PM HADT · 2020 days ago · 21 km deep · 8 km away
40. 1.776 km WSW of Adak, AlaskaMon, Mar 15, 10:27 PM HADT · 2020 days ago · 13 km deep · 64 km away
41. 1.9133 km WSW of Adak, AlaskaTue, Mar 16, 4:29 AM HADT · 2020 days ago · 4 km deep · 33 km away
42. 1.555 km SSW of Adak, AlaskaTue, Mar 16, 6:52 AM HADT · 2020 days ago · 36 km deep · 95 km away
43. 1.9130 km WSW of Adak, AlaskaTue, Mar 16, 11:11 AM HADT · 2019 days ago · 58 km deep · 37 km away
44. 2.2188 km WSW of Adak, AlaskaWed, Mar 17, 7:23 AM HADT · 2019 days ago · 6 km deep · 53 km away
45. 1.758 km SSW of Adak, AlaskaWed, Mar 17, 9:31 AM HADT · 2018 days ago · 30 km deep · 95 km away
46. 1.992 km WSW of Adak, AlaskaWed, Mar 17, 12:19 PM HADT · 2018 days ago · 71 km deep · 51 km away
47. 1.959 km WSW of Adak, AlaskaFri, Mar 19, 3:50 AM HADT · 2017 days ago · 67 km deep · 79 km away
48. 3.0131 km WSW of Adak, AlaskaFri, Mar 19, 5:25 AM HADT · 2017 days ago · 29 km deep · 8 km away
49. 1.7115 km WSW of Adak, AlaskaSun, Mar 21, 9:19 AM HADT · 2014 days ago · 8 km deep · 26 km away
50. 1.6108 km WSW of Adak, AlaskaSun, Mar 21, 9:52 AM HADT · 2014 days ago · 4 km deep · 33 km away
51. 3.081 km SW of Adak, AlaskaMon, Mar 22, 8:44 AM HADT · 2014 days ago · 55 km deep · 64 km away
52. 2.2151 km WSW of Adak, AlaskaMon, Mar 22, 1:40 PM HADT · 2013 days ago · 17 km deep · 30 km away
53. 1.867 km SSW of Adak, AlaskaMon, Mar 22, 1:49 PM HADT · 2013 days ago · 29 km deep · 96 km away
54. 1.999 km WSW of Adak, AlaskaMon, Mar 22, 3:25 PM HADT · 2013 days ago · 59 km deep · 43 km away
55. 1.787 km W of Adak, AlaskaMon, Mar 22, 8:41 PM HADT · 2013 days ago · 5 km deep · 74 km away
56. 1.9148 km WSW of Adak, AlaskaTue, Mar 23, 1:04 AM HADT · 2013 days ago · 30 km deep · 35 km away
57. 1.776 km W of Adak, AlaskaTue, Mar 23, 8:20 AM HADT · 2013 days ago · 13 km deep · 77 km away
58. 1.880 km W of Adak, AlaskaWed, Mar 24, 11:01 AM HADT · 2011 days ago · 9 km deep · 76 km away
59. 1.9107 km WSW of Adak, AlaskaWed, Mar 24, 3:46 PM HADT · 2011 days ago · 7 km deep · 36 km away
60. 1.9159 km WSW of Adak, AlaskaWed, Mar 24, 11:52 PM HADT · 2011 days ago · 19 km deep · 21 km away

The first 60 of 118.

Before

1. 1.845 km SW of Adak, AlaskaMon, Feb 22, 7:25 PM HAST · 2041 days ago · 63 km deep · 97 km away
2. 1.9134 km SW of Adak, AlaskaMon, Feb 22, 12:33 PM HAST · 2041 days ago · 41 km deep · 24 km away
3. 3.9222 km WSW of Adak, AlaskaSun, Feb 21, 10:48 PM HAST · 2042 days ago · 22 km deep · 83 km away
4. 2.8234 km WSW of Adak, AlaskaSun, Feb 21, 9:01 PM HAST · 2042 days ago · 24 km deep · 95 km away
5. 2.899 km WSW of Adak, AlaskaSun, Feb 21, 1:24 PM HAST · 2042 days ago · 34 km deep · 40 km away
6. 3.7225 km WSW of Adak, AlaskaSun, Feb 21, 1:05 PM HAST · 2042 days ago · 10 km deep · 86 km away
7. 4.8220 km WSW of Adak, AlaskaSun, Feb 21, 5:02 AM HAST · 2043 days ago · 10 km deep · 81 km away
8. 2.781 km WSW of Adak, AlaskaSun, Feb 21, 2:30 AM HAST · 2043 days ago · 79 km deep · 61 km away
9. 1.7126 km WSW of Adak, AlaskaSun, Feb 21, 12:42 AM HAST · 2043 days ago · 13 km deep · 38 km away
10. 2.1111 km W of Adak, AlaskaSat, Feb 20, 11:28 PM HAST · 2043 days ago · 80 km deep · 52 km away
11. 1.964 km SSW of Adak, AlaskaSat, Feb 20, 10:33 PM HAST · 2043 days ago · 27 km deep · 96 km away
12. 1.9117 km WSW of Adak, AlaskaSat, Feb 20, 5:02 PM HAST · 2043 days ago · 27 km deep · 23 km away
13. 2.4109 km W of Adak, AlaskaSat, Feb 20, 4:41 AM HAST · 2044 days ago · 188 km deep · 48 km away
14. 1.856 km SW of Adak, AlaskaSat, Feb 20, 4:11 AM HAST · 2044 days ago · 30 km deep · 85 km away
15. 2.9213 km WSW of Adak, AlaskaSat, Feb 20, 12:22 AM HAST · 2044 days ago · 13 km deep · 73 km away
16. 1.8179 km WSW of Adak, AlaskaFri, Feb 19, 6:42 PM HAST · 2044 days ago · 13 km deep · 43 km away
17. 4.1211 km WSW of Adak, AlaskaFri, Feb 19, 6:14 PM HAST · 2044 days ago · 35 km deep · 72 km away
18. 4.0218 km WSW of Adak, AlaskaFri, Feb 19, 6:10 PM HAST · 2044 days ago · 10 km deep · 79 km away
19. 3.1234 km WSW of Adak, AlaskaFri, Feb 19, 5:50 PM HAST · 2044 days ago · 10 km deep · 95 km away
20. 2.1204 km WSW of Adak, AlaskaFri, Feb 19, 3:44 PM HAST · 2044 days ago · 8 km deep · 65 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0212hemngf. Read Sat, Sep 26, 2026, 5:34 AM UTC.