M1.6 earthquake 117 km W of Adak, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Mar 8, 2021, 3:59 PM HAST

UTC

2021-03-09 01:59:20 UTC

Depth

15.0 km (9.3 mi), shallow

Epicenter

51.833° N, 178.331° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

17

After

1. 1.8122 km WSW of Adak, AlaskaMon, Mar 8, 6:31 PM HAST · 2032 days ago · 13 km deep · 27 km away
2. 1.9148 km SW of Adak, AlaskaMon, Mar 8, 9:15 PM HAST · 2032 days ago · 21 km deep · 77 km away
3. 1.9130 km WSW of Adak, AlaskaMon, Mar 8, 10:44 PM HAST · 2032 days ago · 45 km deep · 58 km away
4. 1.8152 km WSW of Adak, AlaskaTue, Mar 9, 8:20 PM HAST · 2031 days ago · 20 km deep · 77 km away
5. 1.5127 km WSW of Adak, AlaskaTue, Mar 9, 11:45 PM HAST · 2031 days ago · 18 km deep · 53 km away
6. 1.584 km W of Adak, AlaskaWed, Mar 10, 1:11 AM HAST · 2031 days ago · 8 km deep · 33 km away
7. 1.6103 km WSW of Adak, AlaskaWed, Mar 10, 1:12 AM HAST · 2031 days ago · 5 km deep · 38 km away
8. 1.8133 km WSW of Adak, AlaskaWed, Mar 10, 2:10 AM HAST · 2031 days ago · 36 km deep · 53 km away
9. 1.7176 km W of Adak, AlaskaWed, Mar 10, 3:33 AM HAST · 2031 days ago · 14 km deep · 59 km away
10. 2.1179 km WSW of Adak, AlaskaWed, Mar 10, 11:00 AM HAST · 2031 days ago · 20 km deep · 78 km away
11. 3.3190 km WSW of Adak, AlaskaWed, Mar 10, 3:12 PM HAST · 2031 days ago · 68 km deep · 78 km away
12. 1.5133 km W of Adak, AlaskaThu, Mar 11, 6:13 AM HAST · 2030 days ago · 7 km deep · 23 km away
13. 2.893 km SW of Adak, AlaskaFri, Mar 12, 1:09 PM HAST · 2029 days ago · 39 km deep · 74 km away
14. 1.7111 km WSW of Adak, AlaskaFri, Mar 12, 4:21 PM HAST · 2029 days ago · 13 km deep · 33 km away
15. 1.871 km WSW of Adak, AlaskaSat, Mar 13, 1:38 PM HAST · 2028 days ago · 68 km deep · 48 km away
16. 3.0148 km SW of Adak, AlaskaMon, Mar 15, 2:14 AM HADT · 2026 days ago · 10 km deep · 86 km away
17. 1.633 km W of Adak, AlaskaMon, Mar 15, 3:58 PM HADT · 2026 days ago · 10 km deep · 84 km away
18. 2.1140 km WSW of Adak, AlaskaMon, Mar 15, 7:59 PM HADT · 2025 days ago · 21 km deep · 68 km away
19. 1.776 km WSW of Adak, AlaskaMon, Mar 15, 10:27 PM HADT · 2025 days ago · 13 km deep · 63 km away
20. 1.9133 km WSW of Adak, AlaskaTue, Mar 16, 4:29 AM HADT · 2025 days ago · 4 km deep · 31 km away
21. 1.555 km SSW of Adak, AlaskaTue, Mar 16, 6:52 AM HADT · 2025 days ago · 36 km deep · 96 km away
22. 1.9130 km WSW of Adak, AlaskaTue, Mar 16, 11:11 AM HADT · 2025 days ago · 58 km deep · 26 km away
23. 2.2188 km WSW of Adak, AlaskaWed, Mar 17, 7:23 AM HADT · 2024 days ago · 6 km deep · 85 km away
24. 1.758 km SSW of Adak, AlaskaWed, Mar 17, 9:31 AM HADT · 2024 days ago · 30 km deep · 99 km away
25. 1.992 km WSW of Adak, AlaskaWed, Mar 17, 12:19 PM HADT · 2024 days ago · 71 km deep · 36 km away
26. 1.959 km WSW of Adak, AlaskaFri, Mar 19, 3:50 AM HADT · 2022 days ago · 67 km deep · 67 km away
27. 3.0131 km WSW of Adak, AlaskaFri, Mar 19, 5:25 AM HADT · 2022 days ago · 29 km deep · 58 km away
28. 1.7115 km WSW of Adak, AlaskaSun, Mar 21, 9:19 AM HADT · 2020 days ago · 8 km deep · 42 km away
29. 1.6108 km WSW of Adak, AlaskaSun, Mar 21, 9:52 AM HADT · 2020 days ago · 4 km deep · 41 km away
30. 3.081 km SW of Adak, AlaskaMon, Mar 22, 8:44 AM HADT · 2019 days ago · 55 km deep · 76 km away
31. 2.2151 km WSW of Adak, AlaskaMon, Mar 22, 1:40 PM HADT · 2019 days ago · 17 km deep · 48 km away
32. 1.999 km WSW of Adak, AlaskaMon, Mar 22, 3:25 PM HADT · 2019 days ago · 59 km deep · 37 km away
33. 1.787 km W of Adak, AlaskaMon, Mar 22, 8:41 PM HADT · 2018 days ago · 5 km deep · 29 km away
34. 1.839 km W of Adak, AlaskaMon, Mar 22, 9:24 PM HADT · 2018 days ago · 76 km deep · 77 km away
35. 1.9148 km WSW of Adak, AlaskaTue, Mar 23, 1:04 AM HADT · 2018 days ago · 30 km deep · 42 km away
36. 1.776 km W of Adak, AlaskaTue, Mar 23, 8:20 AM HADT · 2018 days ago · 13 km deep · 41 km away
37. 1.880 km W of Adak, AlaskaWed, Mar 24, 11:01 AM HADT · 2017 days ago · 9 km deep · 36 km away
38. 1.9107 km WSW of Adak, AlaskaWed, Mar 24, 3:46 PM HADT · 2017 days ago · 7 km deep · 36 km away
39. 1.9159 km WSW of Adak, AlaskaWed, Mar 24, 11:52 PM HADT · 2016 days ago · 19 km deep · 78 km away
40. 1.7126 km WSW of Adak, AlaskaThu, Mar 25, 6:59 AM HADT · 2016 days ago · 28 km deep · 33 km away
41. 1.872 km SSW of Adak, AlaskaThu, Mar 25, 4:35 PM HADT · 2016 days ago · 40 km deep · 98 km away
42. 3.154 km SSW of Adak, AlaskaSat, Mar 27, 5:13 PM HADT · 2014 days ago · 51 km deep · 99 km away
43. 1.937 km SW of Adak, AlaskaSat, Mar 27, 5:15 PM HADT · 2014 days ago · 55 km deep · 89 km away
44. 2.694 km SW of Adak, AlaskaTue, Mar 30, 11:46 AM HADT · 2011 days ago · 33 km deep · 71 km away
45. 3.1181 km WSW of Adak, AlaskaTue, Mar 30, 12:03 PM HADT · 2011 days ago · 35 km deep · 90 km away
46. 2.047 km WSW of Adak, AlaskaTue, Mar 30, 3:20 PM HADT · 2011 days ago · 74 km deep · 70 km away
47. 1.975 km WSW of Adak, AlaskaTue, Mar 30, 6:38 PM HADT · 2010 days ago · 30 km deep · 63 km away
48. 1.8123 km WSW of Adak, AlaskaTue, Mar 30, 9:43 PM HADT · 2010 days ago · 7 km deep · 22 km away
49. 1.762 km SW of Adak, AlaskaThu, Apr 1, 6:51 PM HADT · 2008 days ago · 36 km deep · 93 km away
50. 2.7Andreanof Islands, Aleutian Islands, AlaskaThu, Apr 1, 11:10 PM HADT · 2008 days ago · 65 km deep · 76 km away
51. 1.9116 km SW of Adak, AlaskaFri, Apr 2, 5:34 PM HADT · 2007 days ago · 17 km deep · 76 km away
52. 3.0144 km W of Adak, AlaskaFri, Apr 2, 5:56 PM HADT · 2007 days ago · 183 km deep · 33 km away
53. 2.2203 km WSW of Adak, AKSun, Apr 4, 3:05 PM HADT · 2006 days ago · 66 km deep · 90 km away
54. 1.584 km WSW of Adak, AlaskaSun, Apr 4, 9:09 PM HADT · 2005 days ago · 43 km deep · 50 km away
55. 3.1127 km WSW of Adak, AlaskaMon, Apr 5, 4:55 AM HADT · 2005 days ago · 10 km deep · 33 km away
56. 3.2141 km WSW of Adak, AlaskaMon, Apr 5, 4:58 AM HADT · 2005 days ago · 10 km deep · 46 km away
57. 1.680 km WSW of Adak, AlaskaTue, Apr 6, 9:00 AM HADT · 2004 days ago · 38 km deep · 58 km away
58. 2.7212 km WSW of Adak, AlaskaTue, Apr 6, 9:49 AM HADT · 2004 days ago · 113 km deep · 98 km away
59. 2.050 km SW of Adak, AlaskaTue, Apr 6, 11:13 PM HADT · 2003 days ago · 42 km deep · 96 km away
60. 2.6137 km SW of Adak, AlaskaWed, Apr 7, 11:34 PM HADT · 2002 days ago · 10 km deep · 97 km away

The first 60 of 117.

Before

1. 3.1123 km WSW of Adak, AlaskaMon, Mar 8, 1:52 PM HAST · 2033 days ago · 30 km deep · 65 km away
2. 2.0119 km W of Adak, AlaskaMon, Mar 8, 8:28 AM HAST · 2033 days ago · 9 km deep · 5 km away
3. 2.8113 km WSW of Adak, AlaskaSat, Mar 6, 8:55 PM HAST · 2034 days ago · 17 km deep · 48 km away
4. 5.4185 km WSW of Adak, AlaskaSun, Feb 28, 12:44 AM HAST · 2041 days ago · 22 km deep · 96 km away · felt by 2 · tsunami flag
5. 2.2191 km WSW of Adak, AlaskaSat, Feb 27, 10:58 PM HAST · 2041 days ago · 67 km deep · 83 km away
6. 2.0116 km WSW of Adak, AlaskaSat, Feb 27, 9:33 PM HAST · 2041 days ago · 85 km deep · 21 km away
7. 1.8128 km WSW of Adak, AlaskaSat, Feb 27, 1:22 AM HAST · 2042 days ago · 13 km deep · 24 km away
8. 2.074 km WSW of Adak, AlaskaFri, Feb 26, 8:00 AM HAST · 2043 days ago · 66 km deep · 56 km away
9. 2.0143 km WSW of Adak, AlaskaWed, Feb 24, 11:09 PM HAST · 2044 days ago · 25 km deep · 57 km away
10. 1.587 km W of Adak, AlaskaWed, Feb 24, 1:29 AM HAST · 2045 days ago · 5 km deep · 29 km away
11. 1.762 km SW of Adak, AlaskaTue, Feb 23, 6:09 PM HAST · 2045 days ago · 33 km deep · 79 km away
12. 1.9170 km W of Adak, AlaskaTue, Feb 23, 3:24 AM HAST · 2046 days ago · 5 km deep · 54 km away
13. 2.2169 km WSW of Adak, AlaskaTue, Feb 23, 2:28 AM HAST · 2046 days ago · 20 km deep · 85 km away
14. 2.893 km WSW of Adak, AlaskaTue, Feb 23, 12:58 AM HAST · 2046 days ago · 35 km deep · 60 km away
15. 1.8139 km WSW of Adak, AlaskaMon, Feb 22, 8:06 PM HAST · 2046 days ago · 25 km deep · 61 km away
16. 1.845 km SW of Adak, AlaskaMon, Feb 22, 7:25 PM HAST · 2046 days ago · 63 km deep · 90 km away
17. 2.039 km W of Adak, AlaskaMon, Feb 22, 2:40 PM HAST · 2047 days ago · 98 km deep · 78 km away
18. 1.9134 km SW of Adak, AlaskaMon, Feb 22, 12:33 PM HAST · 2047 days ago · 41 km deep · 78 km away
19. 2.899 km WSW of Adak, AlaskaSun, Feb 21, 1:24 PM HAST · 2048 days ago · 34 km deep · 52 km away
20. 2.781 km WSW of Adak, AlaskaSun, Feb 21, 2:30 AM HAST · 2048 days ago · 79 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak02134hhq1n. Read Thu, Oct 1, 2026, 2:03 PM UTC.