M1.7 earthquake 56 km SE of Adak, Alaska

Magnitude

1.7 (ml), micro

Local time

Sun, Nov 21, 2021, 9:41 PM HAST

UTC

2021-11-22 07:41:53 UTC

Depth

17.5 km (10.9 mi), shallow

Epicenter

51.471° N, 176.138° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

22

After

1. 1.662 km SE of Adak, AlaskaSun, Nov 21, 9:42 PM HAST · 1767 days ago · 26 km deep · 6 km away
2. 1.665 km SSW of Adak, AlaskaWed, Nov 24, 12:23 AM HAST · 1765 days ago · 47 km deep · 67 km away
3. 1.766 km SE of Adak, AlaskaWed, Nov 24, 8:50 PM HAST · 1764 days ago · 25 km deep · 10 km away
4. 2.749 km NE of Adak, AlaskaWed, Nov 24, 10:21 PM HAST · 1764 days ago · 151 km deep · 80 km away
5. 1.962 km SE of Adak, AlaskaThu, Nov 25, 4:24 AM HAST · 1764 days ago · 26 km deep · 6 km away
6. 2.068 km ENE of Adak, AlaskaThu, Nov 25, 6:56 AM HAST · 1764 days ago · 144 km deep · 73 km away
7. 2.880 km SW of Adak, AlaskaThu, Nov 25, 10:38 AM HAST · 1763 days ago · 42 km deep · 94 km away
8. 3.133 km NNE of Adak, AlaskaThu, Nov 25, 2:29 PM HAST · 1763 days ago · 222 km deep · 81 km away
9. 1.878 km E of Adak, AlaskaFri, Nov 26, 9:28 PM HAST · 1762 days ago · 30 km deep · 56 km away
10. 3.246 km SSE of Adak, AlaskaSat, Nov 27, 2:11 AM HAST · 1762 days ago · 35 km deep · 14 km away
11. 3.365 km NE of Adak, AlaskaSat, Nov 27, 1:51 PM HAST · 1761 days ago · 191 km deep · 91 km away
12. 2.021 km WSW of Adak, AlaskaSat, Nov 27, 4:46 PM HAST · 1761 days ago · 82 km deep · 63 km away
13. 2.536 km E of Adak, AlaskaSat, Nov 27, 5:40 PM HAST · 1761 days ago · 130 km deep · 52 km away
14. 3.454 km SE of Adak, AlaskaSat, Nov 27, 6:47 PM HAST · 1761 days ago · 36 km deep · 4 km away
15. 2.223 km SE of Adak, AlaskaMon, Nov 29, 2:54 AM HAST · 1760 days ago · 114 km deep · 33 km away
16. 3.445 km S of Adak, AlaskaMon, Nov 29, 3:06 AM HAST · 1760 days ago · 35 km deep · 35 km away
17. 2.574 km SSE of Adak, AlaskaMon, Nov 29, 5:54 PM HAST · 1759 days ago · 26 km deep · 32 km away
18. 1.951 km ENE of Adak, AlaskaMon, Nov 29, 9:24 PM HAST · 1759 days ago · 89 km deep · 59 km away
19. 1.7Andreanof Islands, Aleutian Islands, AlaskaTue, Nov 30, 5:25 AM HAST · 1759 days ago · 35 km deep · 45 km away
20. 1.797 km ESE of Adak, AlaskaTue, Nov 30, 10:01 PM HAST · 1758 days ago · 13 km deep · 55 km away
21. 2.980 km ESE of Adak, AlaskaWed, Dec 1, 1:55 AM HAST · 1758 days ago · 34 km deep · 45 km away
22. 2.994 km SW of Adak, AlaskaWed, Dec 1, 7:55 AM HAST · 1758 days ago · 35 km deep · 98 km away
23. 3.0Andreanof Islands, Aleutian Islands, AlaskaWed, Dec 1, 5:49 PM HAST · 1757 days ago · 35 km deep · 53 km away
24. 2.131 km SE of Adak, AlaskaWed, Dec 1, 9:49 PM HAST · 1757 days ago · 81 km deep · 25 km away
25. 2.260 km SSE of Adak, AlaskaThu, Dec 2, 1:31 AM HAST · 1757 days ago · 26 km deep · 26 km away
26. 1.861 km SSW of Adak, AlaskaThu, Dec 2, 1:56 AM HAST · 1757 days ago · 40 km deep · 61 km away
27. 3.9112 km SSW of Atka, AlaskaThu, Dec 2, 9:00 AM HAST · 1756 days ago · 26 km deep · 99 km away
28. 2.9Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 2, 11:16 AM HAST · 1756 days ago · 153 km deep · 96 km away
29. 4.3107 km SSW of Atka, AlaskaThu, Dec 2, 11:42 AM HAST · 1756 days ago · 32 km deep · 95 km away
30. 2.1113 km SSW of Atka, AlaskaThu, Dec 2, 11:54 AM HAST · 1756 days ago · 24 km deep · 96 km away
31. 3.6107 km SSW of Atka, AlaskaThu, Dec 2, 11:55 AM HAST · 1756 days ago · 12 km deep · 94 km away
32. 3.0111 km SSW of Atka, AlaskaThu, Dec 2, 1:03 PM HAST · 1756 days ago · 11 km deep · 96 km away
33. 2.840 km SSE of Adak, AlaskaFri, Dec 3, 1:09 AM HAST · 1756 days ago · 52 km deep · 19 km away
34. 1.666 km SW of Adak, AlaskaFri, Dec 3, 2:40 PM HAST · 1755 days ago · 40 km deep · 83 km away
35. 3.352 km SSE of Adak, AlaskaSat, Dec 4, 4:49 AM HAST · 1755 days ago · 35 km deep · 21 km away
36. 2.868 km WSW of Adak, AlaskaSat, Dec 4, 3:45 PM HAST · 1754 days ago · 35 km deep · 95 km away
37. 1.856 km S of Adak, AlaskaSun, Dec 5, 9:05 AM HAST · 1753 days ago · 45 km deep · 26 km away
38. 2.063 km ESE of Adak, AlaskaSun, Dec 5, 3:04 PM HAST · 1753 days ago · 43 km deep · 31 km away
39. 1.956 km SSE of Adak, AlaskaWed, Dec 8, 2:09 AM HAST · 1751 days ago · 16 km deep · 3 km away
40. 2.076 km SW of Adak, AlaskaWed, Dec 8, 5:08 AM HAST · 1751 days ago · 31 km deep · 96 km away
41. 2.772 km SE of Adak, AlaskaThu, Dec 9, 12:13 AM HAST · 1750 days ago · 35 km deep · 18 km away
42. 1.963 km SSW of Adak, AlaskaThu, Dec 9, 8:04 AM HAST · 1750 days ago · 35 km deep · 58 km away
43. 1.538 km SW of Adak, AlaskaFri, Dec 10, 7:27 PM HAST · 1748 days ago · 26 km deep · 63 km away
44. 3.274 km ENE of Adak, AlaskaFri, Dec 10, 10:25 PM HAST · 1748 days ago · 185 km deep · 79 km away
45. 1.640 km SE of Adak, AlaskaFri, Dec 10, 11:15 PM HAST · 1748 days ago · 31 km deep · 16 km away
46. 1.6Andreanof Islands, Aleutian Islands, AlaskaSat, Dec 11, 1:20 AM HAST · 1748 days ago · 19 km deep · 29 km away
47. 2.792 km SE of Adak, AlaskaSat, Dec 11, 6:46 AM HAST · 1748 days ago · 35 km deep · 43 km away
48. 1.634 km SW of Adak, AlaskaSat, Dec 11, 7:17 AM HAST · 1748 days ago · 69 km deep · 56 km away
49. 2.096 km SW of Atka, AlaskaSat, Dec 11, 10:35 AM HAST · 1747 days ago · 25 km deep · 65 km away
50. 1.668 km SW of Adak, AlaskaSat, Dec 11, 2:45 PM HAST · 1747 days ago · 36 km deep · 76 km away
51. 1.674 km SW of Adak, AlaskaSat, Dec 11, 6:47 PM HAST · 1747 days ago · 36 km deep · 90 km away
52. 2.570 km ESE of Adak, AlaskaSun, Dec 12, 11:24 AM HAST · 1746 days ago · 35 km deep · 26 km away
53. 2.339 km E of Adak, AlaskaSun, Dec 12, 5:23 PM HAST · 1746 days ago · 127 km deep · 38 km away
54. 2.676 km SSW of Adak, AlaskaMon, Dec 13, 7:30 AM HAST · 1746 days ago · 35 km deep · 74 km away
55. 1.839 km SSE of Adak, AlaskaMon, Dec 13, 11:01 AM HAST · 1745 days ago · 48 km deep · 22 km away
56. 2.144 km SSE of Adak, AlaskaMon, Dec 13, 5:30 PM HAST · 1745 days ago · 33 km deep · 16 km away
57. 1.865 km SSE of Adak, AlaskaMon, Dec 13, 8:49 PM HAST · 1745 days ago · 26 km deep · 11 km away
58. 1.769 km SW of Adak, AlaskaWed, Dec 15, 4:15 PM HAST · 1743 days ago · 43 km deep · 90 km away
59. 1.764 km SSE of Adak, AlaskaThu, Dec 16, 3:46 AM HAST · 1743 days ago · 23 km deep · 14 km away
60. 1.855 km SSE of Adak, AlaskaThu, Dec 16, 4:40 AM HAST · 1743 days ago · 26 km deep · 19 km away

The first 60 of 156.

Before

1. 2.770 km SE of Adak, AlaskaSun, Nov 21, 9:41 PM HAST · 1767 days ago · 32 km deep · 14 km away
2. 2.156 km W of Adak, AlaskaSat, Nov 20, 9:34 AM HAST · 1768 days ago · 101 km deep · 97 km away
3. 1.992 km SW of Atka, AlaskaFri, Nov 19, 9:29 PM HAST · 1769 days ago · 34 km deep · 76 km away
4. 3.248 km SSE of Adak, AlaskaFri, Nov 19, 10:41 AM HAST · 1769 days ago · 42 km deep · 12 km away
5. 1.789 km SW of Atka, AlaskaFri, Nov 19, 10:21 AM HAST · 1769 days ago · 31 km deep · 74 km away
6. 1.958 km E of Adak, AlaskaFri, Nov 19, 8:55 AM HAST · 1769 days ago · 81 km deep · 54 km away
7. 1.750 km ESE of Adak, AlaskaThu, Nov 18, 10:20 PM HAST · 1770 days ago · 65 km deep · 32 km away
8. 2.560 km SSW of Adak, AlaskaThu, Nov 18, 7:55 PM HAST · 1770 days ago · 35 km deep · 66 km away
9. 1.564 km SSE of Adak, AlaskaThu, Nov 18, 6:07 PM HAST · 1770 days ago · 18 km deep · 12 km away
10. 1.967 km ENE of Adak, AlaskaThu, Nov 18, 4:11 PM HAST · 1770 days ago · 146 km deep · 74 km away
11. 2.273 km ENE of Adak, AlaskaThu, Nov 18, 12:05 PM HAST · 1770 days ago · 170 km deep · 83 km away
12. 1.596 km ESE of Adak, AlaskaWed, Nov 17, 10:43 PM HAST · 1771 days ago · 22 km deep · 57 km away
13. 2.087 km SW of Atka, AlaskaWed, Nov 17, 12:07 AM HAST · 1772 days ago · 15 km deep · 82 km away
14. 1.571 km SW of Adak, AlaskaTue, Nov 16, 10:24 PM HAST · 1772 days ago · 38 km deep · 93 km away
15. 1.657 km WSW of Atka, AlaskaTue, Nov 16, 8:58 PM HAST · 1772 days ago · 70 km deep · 98 km away
16. 1.773 km WSW of Atka, AlaskaMon, Nov 15, 10:08 PM HAST · 1773 days ago · 74 km deep · 86 km away
17. 1.771 km SW of Atka, AlaskaSun, Nov 14, 9:44 PM HAST · 1774 days ago · 35 km deep · 89 km away
18. 1.763 km SE of Adak, AlaskaSun, Nov 14, 5:24 PM HAST · 1774 days ago · 21 km deep · 9 km away
19. 1.851 km SSE of Adak, AlaskaSun, Nov 14, 4:18 AM HAST · 1775 days ago · 33 km deep · 13 km away
20. 1.745 km SW of Adak, AlaskaSat, Nov 13, 9:20 PM HAST · 1775 days ago · 47 km deep · 67 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021ez9m2qs. Read Thu, Sep 24, 2026, 6:17 AM UTC.