M2.3 earthquake 179 km SSW of Adak, Alaska

Magnitude

2.3 (ml), micro

Local time

Wed, Sep 29, 2021, 12:04 AM HADT

UTC

2021-09-29 09:04:18 UTC

Depth

25.1 km (15.6 mi), shallow

Epicenter

50.498° N, 177.983° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

28

After

1. 3.1135 km WSW of Adak, AlaskaWed, Sep 29, 12:55 AM HADT · 1823 days ago · 30 km deep · 82 km away
2. 1.7144 km WSW of Adak, AlaskaSat, Oct 2, 8:43 AM HADT · 1820 days ago · 24 km deep · 93 km away
3. 3.9116 km WSW of Adak, AlaskaSat, Oct 2, 4:45 PM HADT · 1820 days ago · 35 km deep · 90 km away
4. 1.9175 km WSW of Adak, AlaskaSun, Oct 3, 2:13 AM HADT · 1819 days ago · 20 km deep · 96 km away
5. 1.8133 km SW of Adak, AlaskaSun, Oct 3, 12:33 PM HADT · 1819 days ago · 25 km deep · 81 km away
6. 3.1140 km SW of Adak, AlaskaTue, Oct 5, 5:42 AM HADT · 1817 days ago · 28 km deep · 71 km away
7. 2.3130 km SW of Adak, AlaskaTue, Oct 5, 12:57 PM HADT · 1817 days ago · 28 km deep · 66 km away
8. 1.8112 km SW of Adak, AlaskaWed, Oct 6, 8:53 PM HADT · 1816 days ago · 18 km deep · 69 km away
9. 1.6111 km SW of Adak, AlaskaWed, Oct 6, 8:56 PM HADT · 1816 days ago · 26 km deep · 72 km away
10. 1.6106 km SW of Adak, AlaskaWed, Oct 6, 9:54 PM HADT · 1816 days ago · 23 km deep · 85 km away
11. 1.6111 km SW of Adak, AlaskaWed, Oct 6, 10:02 PM HADT · 1816 days ago · 15 km deep · 75 km away
12. 1.8121 km SW of Adak, AlaskaWed, Oct 6, 11:19 PM HADT · 1816 days ago · 21 km deep · 79 km away
13. 3.2157 km SW of Adak, AlaskaThu, Oct 14, 4:17 AM HADT · 1808 days ago · 33 km deep · 33 km away
14. 1.8Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 15, 3:14 AM HADT · 1807 days ago · 26 km deep · 47 km away
15. 1.8123 km WSW of Adak, AlaskaFri, Oct 22, 11:27 PM HADT · 1800 days ago · 17 km deep · 100 km away
16. 3.2141 km WSW of Adak, AlaskaWed, Oct 27, 3:58 AM HADT · 1795 days ago · 31 km deep · 88 km away
17. 3.5237 km SSW of Adak, AlaskaWed, Oct 27, 10:11 PM HADT · 1795 days ago · 10 km deep · 58 km away
18. 1.9123 km SW of Adak, AlaskaWed, Oct 27, 11:47 PM HADT · 1795 days ago · 22 km deep · 72 km away
19. 3.2118 km SSW of Adak, AlaskaThu, Oct 28, 2:06 AM HADT · 1794 days ago · 33 km deep · 72 km away
20. 1.8147 km WSW of Adak, AlaskaSat, Oct 30, 6:09 AM HADT · 1792 days ago · 29 km deep · 91 km away
21. 1.8135 km SW of Adak, AlaskaSun, Oct 31, 12:10 AM HADT · 1791 days ago · 26 km deep · 66 km away
22. 2.3178 km S of Adak, AlaskaSun, Oct 31, 9:12 PM HADT · 1791 days ago · 20 km deep · 64 km away
23. 3.6108 km WSW of Adak, AlaskaThu, Nov 4, 6:43 AM HADT · 1787 days ago · 34 km deep · 98 km away
24. 1.698 km SW of Adak, AlaskaSat, Nov 6, 12:32 AM HADT · 1785 days ago · 45 km deep · 94 km away
25. 2.6217 km SSW of Adak, AlaskaMon, Nov 8, 8:02 AM HAST · 1783 days ago · 10 km deep · 38 km away
26. 2.5139 km SW of Adak, AlaskaThu, Nov 11, 7:45 AM HAST · 1780 days ago · 35 km deep · 75 km away
27. 1.8130 km WSW of Adak, AlaskaThu, Nov 11, 11:36 AM HAST · 1780 days ago · 26 km deep · 87 km away
28. 1.5108 km SW of Adak, AlaskaFri, Nov 12, 4:12 PM HAST · 1779 days ago · 25 km deep · 80 km away
29. 1.7119 km SW of Adak, AlaskaFri, Nov 12, 10:08 PM HAST · 1779 days ago · 26 km deep · 76 km away
30. 1.7143 km WSW of Adak, AlaskaMon, Nov 15, 7:53 PM HAST · 1776 days ago · 24 km deep · 88 km away
31. 1.6132 km WSW of Adak, AlaskaWed, Nov 17, 1:20 PM HAST · 1774 days ago · 23 km deep · 91 km away
32. 1.7143 km SW of Adak, AlaskaWed, Nov 17, 4:07 PM HAST · 1774 days ago · 26 km deep · 77 km away
33. 1.8139 km SW of Adak, AlaskaWed, Nov 17, 7:19 PM HAST · 1774 days ago · 22 km deep · 80 km away
34. 2.0173 km WSW of Adak, AlaskaWed, Nov 17, 11:18 PM HAST · 1773 days ago · 23 km deep · 99 km away
35. 1.9149 km WSW of Adak, AlaskaWed, Nov 17, 11:47 PM HAST · 1773 days ago · 24 km deep · 100 km away
36. 5.0128 km WSW of Adak, AlaskaWed, Nov 17, 11:50 PM HAST · 1773 days ago · 48 km deep · 100 km away · felt by 1
37. 2.8112 km WSW of Adak, AlaskaThu, Nov 18, 7:21 AM HAST · 1773 days ago · 22 km deep · 100 km away
38. 1.7126 km WSW of Adak, AlaskaThu, Nov 18, 9:43 AM HAST · 1773 days ago · 13 km deep · 96 km away
39. 1.6129 km WSW of Adak, AlaskaThu, Nov 18, 11:00 AM HAST · 1773 days ago · 25 km deep · 89 km away
40. 1.7126 km SW of Adak, AlaskaThu, Nov 18, 3:15 PM HAST · 1773 days ago · 51 km deep · 84 km away
41. 2.3238 km SSW of Adak, AlaskaThu, Nov 18, 11:29 PM HAST · 1772 days ago · 35 km deep · 59 km away
42. 1.9Andreanof Islands, Aleutian Islands, AlaskaSun, Nov 21, 12:02 PM HAST · 1770 days ago · 20 km deep · 67 km away
43. 1.7120 km SW of Adak, AlaskaSun, Nov 21, 3:37 PM HAST · 1770 days ago · 26 km deep · 85 km away
44. 2.398 km SW of Adak, AlaskaMon, Nov 22, 7:01 PM HAST · 1769 days ago · 34 km deep · 86 km away
45. 2.2129 km SW of Adak, AlaskaMon, Nov 22, 11:17 PM HAST · 1768 days ago · 19 km deep · 76 km away
46. 1.9142 km WSW of Adak, AlaskaWed, Nov 24, 2:22 AM HAST · 1767 days ago · 26 km deep · 92 km away
47. 2.8147 km WSW of Adak, AlaskaThu, Nov 25, 9:39 AM HAST · 1766 days ago · 31 km deep · 87 km away
48. 1.8136 km SW of Adak, AlaskaThu, Nov 25, 10:07 PM HAST · 1766 days ago · 41 km deep · 72 km away
49. 1.7138 km WSW of Adak, AlaskaFri, Nov 26, 4:32 AM HAST · 1765 days ago · 23 km deep · 86 km away

Before

1. 3.9177 km SSW of Adak, AlaskaMon, Sep 27, 1:03 PM HADT · 1825 days ago · 10 km deep · 3 km away
2. 2.1110 km SW of Adak, AlaskaSat, Sep 25, 5:21 PM HADT · 1827 days ago · 26 km deep · 79 km away
3. 2.0189 km WSW of Adak, AlaskaFri, Sep 24, 11:15 AM HADT · 1828 days ago · 20 km deep · 97 km away
4. 1.6191 km WSW of Adak, AlaskaFri, Sep 24, 11:13 AM HADT · 1828 days ago · 9 km deep · 95 km away
5. 2.0178 km WSW of Adak, AlaskaFri, Sep 24, 9:00 AM HADT · 1828 days ago · 22 km deep · 97 km away
6. 2.0191 km WSW of Adak, AlaskaFri, Sep 24, 3:54 AM HADT · 1828 days ago · 10 km deep · 90 km away
7. 6.1187 km WSW of Adak, AlaskaFri, Sep 24, 2:52 AM HADT · 1828 days ago · 18 km deep · 97 km away · felt by 7 · tsunami flag
8. 1.6165 km WSW of Adak, AlaskaThu, Sep 23, 12:37 AM HADT · 1829 days ago · 24 km deep · 92 km away
9. 1.688 km SW of Adak, AlaskaMon, Sep 20, 2:38 AM HADT · 1832 days ago · 37 km deep · 100 km away
10. 2.0114 km WSW of Adak, AlaskaSun, Sep 19, 8:47 AM HADT · 1833 days ago · 48 km deep · 96 km away
11. 3.4204 km SSW of Adak, AlaskaWed, Sep 15, 7:41 AM HADT · 1837 days ago · 10 km deep · 28 km away
12. 3.692 km SW of Adak, AlaskaMon, Sep 13, 6:44 AM HADT · 1839 days ago · 35 km deep · 99 km away
13. 2.1147 km SW of Adak, AlaskaThu, Sep 9, 2:43 PM HADT · 1843 days ago · 26 km deep · 59 km away
14. 2.9126 km SW of Adak, AlaskaThu, Sep 9, 2:23 PM HADT · 1843 days ago · 35 km deep · 73 km away
15. 1.6168 km WSW of Adak, AlaskaTue, Sep 7, 11:43 PM HADT · 1845 days ago · 26 km deep · 91 km away
16. 2.9177 km WSW of Adak, AlaskaTue, Sep 7, 6:21 PM HADT · 1845 days ago · 30 km deep · 96 km away
17. 1.6124 km SW of Adak, AlaskaTue, Sep 7, 6:53 AM HADT · 1845 days ago · 26 km deep · 74 km away
18. 1.7111 km S of Adak, AlaskaTue, Sep 7, 4:40 AM HADT · 1845 days ago · 35 km deep · 88 km away
19. 2.8199 km WSW of Adak, AlaskaMon, Sep 6, 6:00 AM HADT · 1846 days ago · 16 km deep · 98 km away
20. 1.7189 km WSW of Adak, AlaskaSun, Sep 5, 12:44 AM HADT · 1847 days ago · 3 km deep · 99 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021chzk70s. Read Sat, Sep 26, 2026, 8:37 PM UTC.