M1.8 earthquake 140 km WSW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Apr 28, 2022, 6:01 AM HADT

UTC

2022-04-28 15:01:36 UTC

Depth

22.9 km (14.2 mi), shallow

Epicenter

51.258° N, 178.408° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

18

After

1. 1.8132 km WSW of Adak, AlaskaThu, Apr 28, 1:35 PM HADT · 1616 days ago · 13 km deep · 42 km away
2. 2.6178 km WSW of Adak, AlaskaFri, Apr 29, 2:11 AM HADT · 1616 days ago · 74 km deep · 64 km away
3. 2.0207 km WSW of Adak, AlaskaFri, Apr 29, 2:48 PM HADT · 1615 days ago · 7 km deep · 67 km away
4. 1.7126 km WSW of Adak, AlaskaFri, Apr 29, 5:26 PM HADT · 1615 days ago · 12 km deep · 40 km away
5. 1.588 km WSW of Adak, AlaskaFri, Apr 29, 9:57 PM HADT · 1615 days ago · 20 km deep · 53 km away
6. 1.6134 km W of Adak, AlaskaSat, Apr 30, 4:30 PM HADT · 1614 days ago · 15 km deep · 56 km away
7. 1.685 km SW of Adak, AlaskaSat, Apr 30, 6:15 PM HADT · 1614 days ago · 36 km deep · 57 km away
8. 2.2180 km WSW of Adak, AlaskaSun, May 1, 4:52 AM HADT · 1614 days ago · 75 km deep · 65 km away
9. 1.9141 km WSW of Adak, AlaskaSun, May 1, 8:31 AM HADT · 1614 days ago · 22 km deep · 19 km away
10. 2.1106 km W of Adak, AlaskaMon, May 2, 1:19 AM HADT · 1613 days ago · 90 km deep · 64 km away
11. 2.7138 km W of Adak, AlaskaMon, May 2, 6:18 AM HADT · 1613 days ago · 124 km deep · 60 km away
12. 1.8157 km WSW of Adak, AlaskaMon, May 2, 8:09 PM HADT · 1612 days ago · 21 km deep · 18 km away
13. 1.6197 km W of Adak, AlaskaMon, May 2, 10:42 PM HADT · 1612 days ago · 13 km deep · 98 km away
14. 2.053 km SSW of Adak, AlaskaMon, May 2, 11:41 PM HADT · 1612 days ago · 35 km deep · 98 km away
15. 1.870 km SSW of Adak, AlaskaTue, May 3, 1:53 AM HADT · 1612 days ago · 27 km deep · 91 km away
16. 2.5112 km SW of Adak, AlaskaTue, May 3, 10:54 AM HADT · 1611 days ago · 35 km deep · 43 km away
17. 2.6120 km SW of Adak, AlaskaTue, May 3, 11:40 AM HADT · 1611 days ago · 27 km deep · 34 km away
18. 1.8159 km W of Adak, AlaskaTue, May 3, 1:45 PM HADT · 1611 days ago · 7 km deep · 72 km away
19. 1.5Andreanof Islands, Aleutian Islands, AlaskaTue, May 3, 4:15 PM HADT · 1611 days ago · 65 km deep · 99 km away
20. 2.7133 km W of Adak, AlaskaTue, May 3, 4:52 PM HADT · 1611 days ago · 229 km deep · 82 km away
21. 1.7104 km WSW of Adak, AlaskaTue, May 3, 7:25 PM HADT · 1611 days ago · 29 km deep · 36 km away
22. 1.7158 km W of Adak, AlaskaTue, May 3, 8:07 PM HADT · 1611 days ago · 8 km deep · 70 km away
23. 1.6157 km W of Adak, AlaskaTue, May 3, 10:56 PM HADT · 1611 days ago · 8 km deep · 70 km away
24. 1.6127 km WSW of Adak, AlaskaWed, May 4, 12:15 AM HADT · 1611 days ago · 9 km deep · 22 km away
25. 1.7131 km WSW of Adak, AlaskaWed, May 4, 1:17 AM HADT · 1611 days ago · 7 km deep · 17 km away
26. 1.5129 km WSW of Adak, AlaskaWed, May 4, 1:35 AM HADT · 1611 days ago · 9 km deep · 19 km away
27. 1.9158 km WSW of Adak, AlaskaWed, May 4, 2:23 AM HADT · 1611 days ago · 34 km deep · 20 km away
28. 1.7133 km WSW of Adak, AlaskaWed, May 4, 4:37 AM HADT · 1611 days ago · 5 km deep · 14 km away
29. 1.6126 km WSW of Adak, AlaskaWed, May 4, 5:17 AM HADT · 1611 days ago · 10 km deep · 23 km away
30. 1.9134 km SW of Adak, AlaskaWed, May 4, 7:04 PM HADT · 1610 days ago · 25 km deep · 18 km away
31. 1.7119 km WSW of Adak, AlaskaThu, May 5, 12:41 AM HADT · 1610 days ago · 13 km deep · 25 km away
32. 1.889 km SW of Adak, AlaskaThu, May 5, 3:48 AM HADT · 1610 days ago · 26 km deep · 61 km away
33. 2.5189 km WSW of Adak, AlaskaThu, May 5, 10:46 AM HADT · 1609 days ago · 73 km deep · 71 km away
34. 1.677 km WSW of Adak, AlaskaThu, May 5, 4:51 PM HADT · 1609 days ago · 55 km deep · 63 km away
35. 1.6105 km WSW of Adak, AlaskaThu, May 5, 5:12 PM HADT · 1609 days ago · 20 km deep · 35 km away
36. 1.7103 km WSW of Adak, AlaskaThu, May 5, 7:01 PM HADT · 1609 days ago · 67 km deep · 42 km away
37. 1.5180 km WSW of Adak, AlaskaSat, May 7, 4:27 PM HADT · 1607 days ago · 19 km deep · 50 km away
38. 1.7127 km WSW of Adak, AlaskaSun, May 8, 6:44 AM HADT · 1607 days ago · 10 km deep · 34 km away
39. 1.5116 km SW of Adak, AlaskaSun, May 8, 8:03 AM HADT · 1607 days ago · 26 km deep · 38 km away
40. 1.6134 km SW of Adak, AlaskaSun, May 8, 2:59 PM HADT · 1606 days ago · 21 km deep · 21 km away
41. 1.9200 km WSW of Adak, AlaskaSun, May 8, 5:57 PM HADT · 1606 days ago · 4 km deep · 59 km away
42. 1.5189 km WSW of Adak, AlaskaSun, May 8, 10:27 PM HADT · 1606 days ago · 18 km deep · 55 km away
43. 1.6122 km SW of Adak, AlaskaMon, May 9, 3:18 AM HADT · 1606 days ago · 26 km deep · 26 km away
44. 1.5102 km SW of Adak, AlaskaMon, May 9, 3:21 AM HADT · 1606 days ago · 26 km deep · 55 km away
45. 1.6140 km WSW of Adak, AlaskaMon, May 9, 2:32 PM HADT · 1605 days ago · 10 km deep · 26 km away
46. 2.8227 km WSW of Adak, AlaskaMon, May 9, 11:01 PM HADT · 1605 days ago · 10 km deep · 88 km away
47. 1.986 km SW of Adak, AlaskaTue, May 10, 3:47 PM HADT · 1604 days ago · 39 km deep · 56 km away
48. 2.1194 km WSW of Adak, AlaskaTue, May 10, 7:13 PM HADT · 1604 days ago · 26 km deep · 55 km away
49. 1.698 km WSW of Adak, AlaskaTue, May 10, 10:20 PM HADT · 1604 days ago · 13 km deep · 43 km away
50. 3.867 km SW of Adak, AlaskaWed, May 11, 5:31 AM HADT · 1604 days ago · 67 km deep · 74 km away
51. 2.5208 km W of Adak, AlaskaWed, May 11, 8:15 AM HADT · 1604 days ago · 83 km deep · 95 km away
52. 1.8131 km W of Adak, AlaskaWed, May 11, 5:26 PM HADT · 1603 days ago · 11 km deep · 60 km away
53. 2.8196 km WSW of Adak, AlaskaThu, May 12, 1:28 AM HADT · 1603 days ago · 34 km deep · 61 km away
54. 1.7192 km W of Adak, AlaskaFri, May 13, 6:10 AM HADT · 1602 days ago · 124 km deep · 91 km away
55. 4.5132 km SW of Adak, AlaskaFri, May 13, 6:26 AM HADT · 1602 days ago · 30 km deep · 23 km away
56. 3.3134 km SW of Adak, AlaskaFri, May 13, 6:31 AM HADT · 1602 days ago · 17 km deep · 26 km away
57. 1.7126 km SW of Adak, AlaskaFri, May 13, 6:33 AM HADT · 1602 days ago · 16 km deep · 24 km away
58. 3.1140 km SW of Adak, AlaskaFri, May 13, 4:11 PM HADT · 1601 days ago · 10 km deep · 34 km away
59. 1.6176 km W of Adak, AlaskaFri, May 13, 9:11 PM HADT · 1601 days ago · 7 km deep · 78 km away
60. 1.5186 km W of Adak, AlaskaSun, May 15, 2:59 AM HADT · 1600 days ago · 72 km deep · 75 km away

The first 60 of at least 199.

Before

1. 1.583 km W of Adak, AlaskaWed, Apr 27, 1:59 PM HADT · 1617 days ago · 8 km deep · 78 km away
2. 1.542 km SW of Adak, AlaskaWed, Apr 27, 10:00 AM HADT · 1617 days ago · 27 km deep · 100 km away
3. 2.6150 km WSW of Adak, AlaskaWed, Apr 27, 7:19 AM HADT · 1618 days ago · 32 km deep · 10 km away
4. 2.9212 km WSW of Adak, AlaskaWed, Apr 27, 7:07 AM HADT · 1618 days ago · 29 km deep · 71 km away
5. 2.1194 km WSW of Adak, AlaskaWed, Apr 27, 2:08 AM HADT · 1618 days ago · 19 km deep · 55 km away
6. 1.577 km W of Adak, AlaskaWed, Apr 27, 1:20 AM HADT · 1618 days ago · 8 km deep · 79 km away
7. 1.945 km SW of Adak, AlaskaMon, Apr 25, 11:31 AM HADT · 1619 days ago · 29 km deep · 98 km away
8. 1.741 km SW of Adak, AlaskaMon, Apr 25, 10:23 AM HADT · 1619 days ago · 17 km deep · 99 km away
9. 1.9119 km WSW of Adak, AlaskaMon, Apr 25, 12:45 AM HADT · 1620 days ago · 19 km deep · 25 km away
10. 1.9152 km WSW of Adak, AlaskaSun, Apr 24, 8:20 PM HADT · 1620 days ago · 8 km deep · 27 km away
11. 1.7122 km WSW of Adak, AlaskaSun, Apr 24, 12:08 AM HADT · 1621 days ago · 26 km deep · 19 km away
12. 1.9123 km WSW of Adak, AlaskaSat, Apr 23, 10:56 PM HADT · 1621 days ago · 62 km deep · 26 km away
13. 1.9Andreanof Islands, Aleutian Islands, AlaskaSat, Apr 23, 10:26 PM HADT · 1621 days ago · 21 km deep · 16 km away
14. 1.7188 km WSW of Adak, AlaskaSat, Apr 23, 12:39 PM HADT · 1621 days ago · 25 km deep · 56 km away
15. 1.589 km W of Adak, AlaskaSat, Apr 23, 11:51 AM HADT · 1621 days ago · 3 km deep · 74 km away
16. 3.0132 km W of Adak, AlaskaSat, Apr 23, 5:11 AM HADT · 1622 days ago · 151 km deep · 91 km away
17. 1.758 km SW of Adak, AlaskaFri, Apr 22, 8:20 PM HADT · 1622 days ago · 57 km deep · 83 km away
18. 2.0199 km WSW of Adak, AlaskaFri, Apr 22, 11:12 AM HADT · 1622 days ago · 20 km deep · 68 km away
19. 1.754 km SW of Adak, AlaskaFri, Apr 22, 10:31 AM HADT · 1622 days ago · 39 km deep · 94 km away
20. 2.4181 km W of Adak, AlaskaWed, Apr 20, 3:35 PM HADT · 1624 days ago · 86 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0225fecqu9. Read Thu, Oct 1, 2026, 6:20 AM UTC.