M1.9 earthquake 51 km SE of Ugashik, Alaska

Magnitude

1.9 (ml), micro

Local time

Tue, Aug 24, 2021, 1:24 AM AKDT

UTC

2021-08-24 09:24:05 UTC

Depth

8.6 km (5.3 mi), shallow

Epicenter

57.166° N, 156.841° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

34

• Naknek, AlaskaPopulation 544. Forecast174 kmS
• Anchorage, AlaskaPopulation 289,600. Forecast599 kmSW

After

1. 2.1119 km SSE of Ugashik, AlaskaTue, Aug 24, 7:56 AM AKDT · 1855 days ago · 73 km deep · 71 km away
2. 2.396 km ESE of Ugashik, AlaskaWed, Aug 25, 4:26 AM AKDT · 1854 days ago · 9 km deep · 52 km away
3. 1.986 km ESE of Ugashik, AlaskaWed, Aug 25, 4:42 AM AKDT · 1854 days ago · 2 km deep · 40 km away
4. 1.588 km ESE of Ugashik, AlaskaWed, Aug 25, 7:37 AM AKDT · 1854 days ago · 1 km deep · 46 km away
5. 1.6111 km W of Akhiok, AlaskaWed, Aug 25, 5:32 PM AKDT · 1854 days ago · 12 km deep · 66 km away
6. 2.893 km ESE of Ugashik, AlaskaThu, Aug 26, 2:41 AM AKDT · 1853 days ago · 4 km deep · 48 km away
7. 2.538 km SSW of Ugashik, AlaskaSat, Aug 28, 5:31 AM AKDT · 1851 days ago · 8 km deep · 43 km away
8. 1.892 km E of Chignik, AlaskaSun, Aug 29, 8:15 PM AKDT · 1850 days ago · 31 km deep · 94 km away
9. 1.873 km W of Karluk, AlaskaMon, Aug 30, 4:51 AM AKDT · 1849 days ago · 80 km deep · 89 km away
10. 1.957 km SW of Karluk, AlaskaTue, Aug 31, 11:52 AM AKDT · 1848 days ago · 46 km deep · 100 km away
11. 1.975 km SE of Ugashik, AlaskaWed, Sep 1, 12:50 AM AKDT · 1848 days ago · 3 km deep · 28 km away
12. 1.880 km W of Karluk, AlaskaWed, Sep 1, 9:32 AM AKDT · 1847 days ago · 6 km deep · 81 km away
13. 1.798 km ESE of Ugashik, AlaskaWed, Sep 1, 11:33 PM AKDT · 1847 days ago · 67 km deep · 55 km away
14. 1.990 km ENE of Chignik, AlaskaThu, Sep 2, 4:40 AM AKDT · 1846 days ago · 43 km deep · 72 km away
15. 1.5Alaska PeninsulaThu, Sep 2, 9:18 AM AKDT · 1846 days ago · 5 km deep · 78 km away
16. 1.574 km WSW of Karluk, AlaskaThu, Sep 2, 12:17 PM AKDT · 1846 days ago · 71 km deep · 78 km away
17. 1.8124 km SE of Ugashik, AlaskaThu, Sep 2, 3:23 PM AKDT · 1846 days ago · 68 km deep · 73 km away
18. 1.757 km ESE of Egegik, AlaskaFri, Sep 3, 1:31 AM AKDT · 1846 days ago · 157 km deep · 94 km away
19. 1.646 km ENE of Chignik, AlaskaSat, Sep 4, 12:04 AM AKDT · 1845 days ago · 65 km deep · 95 km away
20. 2.080 km SE of Ugashik, AlaskaSat, Sep 4, 9:12 AM AKDT · 1844 days ago · 2 km deep · 30 km away
21. 1.585 km SE of Ugashik, AlaskaSat, Sep 4, 9:17 AM AKDT · 1844 days ago · 14 km deep · 34 km away
22. 1.776 km W of Karluk, AlaskaSat, Sep 4, 4:35 PM AKDT · 1844 days ago · 35 km deep · 80 km away
23. 1.690 km WSW of Akhiok, AlaskaSat, Sep 4, 5:18 PM AKDT · 1844 days ago · 7 km deep · 86 km away
24. 1.771 km WSW of Karluk, AlaskaMon, Sep 6, 3:50 AM AKDT · 1842 days ago · 61 km deep · 80 km away
25. 1.575 km WNW of Karluk, AlaskaMon, Sep 6, 10:08 AM AKDT · 1842 days ago · 95 km deep · 99 km away
26. 1.745 km ESE of Port Heiden, AlaskaTue, Sep 7, 10:12 AM AKDT · 1841 days ago · 83 km deep · 81 km away
27. 2.4102 km W of Akhiok, AlaskaTue, Sep 7, 4:21 PM AKDT · 1841 days ago · 12 km deep · 69 km away
28. 2.4101 km W of Akhiok, AlaskaTue, Sep 7, 6:26 PM AKDT · 1841 days ago · 14 km deep · 70 km away
29. 1.664 km ENE of Chignik, AlaskaWed, Sep 8, 3:11 AM AKDT · 1840 days ago · 65 km deep · 77 km away
30. 3.269 km ESE of Egegik, AlaskaThu, Sep 9, 2:19 AM AKDT · 1839 days ago · 137 km deep · 96 km away
31. 2.0Alaska PeninsulaThu, Sep 9, 3:33 AM AKDT · 1839 days ago · 7 km deep · 81 km away
32. 3.296 km ENE of Chignik, AlaskaFri, Sep 10, 6:58 AM AKDT · 1838 days ago · 6 km deep · 61 km away
33. 2.0Alaska PeninsulaFri, Sep 10, 2:25 PM AKDT · 1838 days ago · 130 km deep · 77 km away
34. 1.7105 km W of Akhiok, AlaskaSun, Sep 12, 8:51 AM AKDT · 1836 days ago · 29 km deep · 64 km away
35. 1.646 km SE of Ugashik, AlaskaTue, Sep 14, 7:17 PM AKDT · 1834 days ago · 1 km deep · 13 km away
36. 1.671 km SE of Ugashik, AlaskaTue, Sep 14, 7:18 PM AKDT · 1834 days ago · 1 km deep · 23 km away
37. 1.754 km ESE of Ugashik, AlaskaTue, Sep 14, 7:54 PM AKDT · 1834 days ago · 2 km deep · 24 km away
38. 1.860 km ESE of Ugashik, AlaskaWed, Sep 15, 9:35 PM AKDT · 1833 days ago · 3 km deep · 20 km away
39. 2.074 km NE of Chignik, AlaskaThu, Sep 16, 12:46 PM AKDT · 1832 days ago · 2 km deep · 64 km away
40. 1.995 km ESE of Ugashik, AlaskaThu, Sep 16, 3:17 PM AKDT · 1832 days ago · 17 km deep · 49 km away
41. 1.676 km ESE of Ugashik, AlaskaThu, Sep 16, 5:08 PM AKDT · 1832 days ago · 29 km deep · 41 km away
42. 2.774 km WNW of Karluk, AlaskaFri, Sep 17, 1:23 AM AKDT · 1832 days ago · 10 km deep · 93 km away
43. 3.299 km ENE of Chignik, AlaskaFri, Sep 17, 10:19 AM AKDT · 1831 days ago · 7 km deep · 61 km away
44. 2.586 km ENE of Chignik, AlaskaFri, Sep 17, 10:35 AM AKDT · 1831 days ago · 12 km deep · 72 km away
45. 2.892 km SSE of Ugashik, AlaskaFri, Sep 17, 4:03 PM AKDT · 1831 days ago · 41 km deep · 54 km away
46. 2.7118 km WSW of Akhiok, AlaskaSat, Sep 18, 7:59 PM AKDT · 1830 days ago · 8 km deep · 82 km away
47. 2.394 km SW of Karluk, AlaskaSun, Sep 19, 6:57 PM AKDT · 1829 days ago · 75 km deep · 69 km away
48. 1.856 km SE of Ugashik, AlaskaWed, Sep 22, 1:34 AM AKDT · 1827 days ago · 89 km deep · 12 km away
49. 1.8109 km SSE of Ugashik, AlaskaWed, Sep 22, 3:36 AM AKDT · 1826 days ago · 59 km deep · 63 km away
50. 2.086 km ENE of Ugashik, AlaskaWed, Sep 22, 10:34 AM AKDT · 1826 days ago · 6 km deep · 78 km away
51. 2.179 km W of Akhiok, AlaskaMon, Sep 27, 2:25 PM AKDT · 1821 days ago · 68 km deep · 88 km away
52. 2.075 km E of Ugashik, AlaskaTue, Sep 28, 4:44 PM AKDT · 1820 days ago · 7 km deep · 49 km away
53. 2.1101 km SE of Ugashik, AlaskaTue, Sep 28, 11:02 PM AKDT · 1820 days ago · 2 km deep · 50 km away
54. 2.482 km ESE of Egegik, AlaskaSat, Oct 2, 7:16 AM AKDT · 1816 days ago · 119 km deep · 91 km away
55. 1.793 km ESE of Ugashik, AlaskaSun, Oct 3, 6:17 PM AKDT · 1815 days ago · 68 km deep · 55 km away
56. 2.098 km SE of Ugashik, AlaskaMon, Oct 4, 3:06 AM AKDT · 1814 days ago · 59 km deep · 47 km away
57. 1.586 km WNW of Karluk, AlaskaTue, Oct 5, 9:20 AM AKDT · 1813 days ago · 98 km deep · 85 km away
58. 2.490 km SE of Ugashik, AlaskaTue, Oct 5, 9:13 PM AKDT · 1813 days ago · 60 km deep · 40 km away
59. 3.0119 km E of Chignik, AlaskaWed, Oct 6, 1:01 AM AKDT · 1813 days ago · 69 km deep · 91 km away
60. 2.113 km E of Ugashik, AlaskaWed, Oct 6, 9:16 AM AKDT · 1812 days ago · 118 km deep · 42 km away

The first 60 of 148.

Before

1. 1.792 km ESE of Ugashik, AlaskaMon, Aug 23, 9:58 PM AKDT · 1856 days ago · 20 km deep · 46 km away
2. 1.776 km WNW of Karluk, AlaskaSun, Aug 22, 11:41 PM AKDT · 1857 days ago · 96 km deep · 96 km away
3. 2.2111 km SE of Ugashik, AlaskaSun, Aug 22, 7:04 PM AKDT · 1857 days ago · 67 km deep · 61 km away
4. 1.688 km ESE of Egegik, AlaskaSun, Aug 22, 4:13 PM AKDT · 1857 days ago · 8 km deep · 92 km away
5. 1.773 km ESE of Ugashik, AlaskaSun, Aug 22, 12:21 AM AKDT · 1858 days ago · 80 km deep · 29 km away
6. 1.677 km SE of Ugashik, AlaskaSat, Aug 21, 10:35 PM AKDT · 1858 days ago · 78 km deep · 26 km away
7. 2.228 km NE of Pilot Point, AlaskaSat, Aug 21, 5:47 PM AKDT · 1858 days ago · 6 km deep · 73 km away
8. 2.528 km NNE of Pilot Point, AlaskaSat, Aug 21, 11:11 AM AKDT · 1858 days ago · 14 km deep · 76 km away
9. 1.680 km ENE of Chignik, AlaskaSat, Aug 21, 1:40 AM AKDT · 1859 days ago · 10 km deep · 71 km away
10. 1.9Alaska PeninsulaFri, Aug 20, 8:37 PM AKDT · 1859 days ago · 87 km deep · 94 km away
11. 2.089 km WNW of Karluk, AlaskaFri, Aug 20, 3:35 PM AKDT · 1859 days ago · 100 km deep · 90 km away
12. 2.381 km W of Karluk, AlaskaFri, Aug 20, 1:07 PM AKDT · 1859 days ago · 6 km deep · 82 km away
13. 1.673 km WNW of Karluk, AlaskaFri, Aug 20, 11:10 AM AKDT · 1859 days ago · 99 km deep · 93 km away
14. 2.270 km ESE of Egegik, AlaskaFri, Aug 20, 7:08 AM AKDT · 1859 days ago · 146 km deep · 95 km away
15. 2.5Alaska PeninsulaThu, Aug 19, 10:17 PM AKDT · 1860 days ago · 72 km deep · 82 km away
16. 2.297 km W of Akhiok, AlaskaThu, Aug 19, 5:08 AM AKDT · 1860 days ago · 79 km deep · 67 km away
17. 1.970 km NE of Chignik, AlaskaThu, Aug 19, 4:58 AM AKDT · 1860 days ago · 11 km deep · 68 km away
18. 2.174 km ENE of Chignik, AlaskaThu, Aug 19, 12:03 AM AKDT · 1861 days ago · 4 km deep · 68 km away
19. 2.480 km ENE of Chignik, AlaskaWed, Aug 18, 11:51 PM AKDT · 1861 days ago · 9 km deep · 63 km away
20. 1.8118 km ENE of Chignik, AlaskaWed, Aug 18, 9:19 PM AKDT · 1861 days ago · 79 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak021augbz3s. Read Tue, Sep 22, 2026, 9:29 PM UTC.