M1.8 earthquake 105 km WSW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Jul 30, 2020, 4:24 PM HADT

UTC

2020-07-31 01:24:15 UTC

Depth

18.5 km (11.5 mi), shallow

Epicenter

51.425° N, 177.971° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

29

After

1. 1.782 km W of Adak, AlaskaThu, Jul 30, 4:56 PM HADT · 2255 days ago · 10 km deep · 46 km away
2. 1.768 km SW of Adak, AlaskaThu, Jul 30, 5:10 PM HADT · 2255 days ago · 26 km deep · 48 km away
3. 1.6122 km WSW of Adak, AlaskaThu, Jul 30, 5:46 PM HADT · 2255 days ago · 26 km deep · 18 km away
4. 1.6124 km SW of Adak, AlaskaThu, Jul 30, 10:16 PM HADT · 2255 days ago · 22 km deep · 31 km away
5. 1.8134 km SW of Adak, AlaskaFri, Jul 31, 5:34 AM HADT · 2255 days ago · 22 km deep · 33 km away
6. 1.5118 km WSW of Adak, AlaskaFri, Jul 31, 12:48 PM HADT · 2255 days ago · 23 km deep · 16 km away
7. 1.843 km WNW of Adak, AlaskaFri, Jul 31, 5:24 PM HADT · 2254 days ago · 13 km deep · 86 km away
8. 2.939 km WSW of Adak, AlaskaSat, Aug 1, 2:22 AM HADT · 2254 days ago · 17 km deep · 66 km away
9. 2.6124 km SW of Adak, AlaskaSat, Aug 1, 9:19 AM HADT · 2254 days ago · 35 km deep · 31 km away
10. 2.8181 km WSW of Adak, AlaskaSat, Aug 1, 10:34 AM HADT · 2254 days ago · 30 km deep · 76 km away
11. 1.551 km W of Adak, AlaskaSat, Aug 1, 11:54 AM HADT · 2254 days ago · 7 km deep · 63 km away
12. 3.9151 km WSW of Adak, AlaskaSun, Aug 2, 4:58 AM HADT · 2253 days ago · 35 km deep · 47 km away
13. 1.677 km WSW of Adak, AlaskaSun, Aug 2, 7:58 AM HADT · 2253 days ago · 40 km deep · 28 km away
14. 1.8143 km WSW of Adak, AlaskaSun, Aug 2, 6:53 PM HADT · 2252 days ago · 23 km deep · 39 km away
15. 1.787 km SW of Adak, AlaskaSun, Aug 2, 7:00 PM HADT · 2252 days ago · 35 km deep · 21 km away
16. 3.6139 km WSW of Adak, AlaskaMon, Aug 3, 3:19 AM HADT · 2252 days ago · 29 km deep · 34 km away
17. 2.584 km SW of Adak, AlaskaMon, Aug 3, 10:21 AM HADT · 2252 days ago · 36 km deep · 26 km away
18. 1.586 km W of Adak, AlaskaMon, Aug 3, 5:54 PM HADT · 2251 days ago · 5 km deep · 50 km away
19. 1.5142 km WSW of Adak, AlaskaTue, Aug 4, 12:05 AM HADT · 2251 days ago · 28 km deep · 39 km away
20. 1.539 km S of Adak, AlaskaTue, Aug 4, 7:04 AM HADT · 2251 days ago · 40 km deep · 90 km away
21. 1.755 km SW of Adak, AlaskaTue, Aug 4, 11:38 AM HADT · 2251 days ago · 29 km deep · 53 km away
22. 2.7125 km WSW of Adak, AlaskaWed, Aug 5, 3:45 AM HADT · 2250 days ago · 35 km deep · 21 km away
23. 1.888 km W of Adak, AlaskaThu, Aug 6, 12:27 AM HADT · 2249 days ago · 6 km deep · 48 km away
24. 1.687 km W of Adak, AlaskaThu, Aug 6, 2:31 AM HADT · 2249 days ago · 6 km deep · 49 km away
25. 1.687 km W of Adak, AlaskaThu, Aug 6, 2:32 AM HADT · 2249 days ago · 6 km deep · 49 km away
26. 1.787 km W of Adak, AlaskaThu, Aug 6, 3:27 AM HADT · 2249 days ago · 6 km deep · 48 km away
27. 1.688 km W of Adak, AlaskaThu, Aug 6, 8:48 AM HADT · 2249 days ago · 4 km deep · 48 km away
28. 1.650 km SSW of Adak, AlaskaThu, Aug 6, 11:26 AM HADT · 2249 days ago · 34 km deep · 74 km away
29. 1.7131 km WSW of Adak, AlaskaThu, Aug 6, 3:07 PM HADT · 2248 days ago · 18 km deep · 27 km away
30. 1.6117 km WSW of Adak, AlaskaThu, Aug 6, 8:23 PM HADT · 2248 days ago · 61 km deep · 22 km away
31. 2.768 km WSW of Adak, AlaskaFri, Aug 7, 4:43 AM HADT · 2248 days ago · 10 km deep · 37 km away
32. 1.873 km W of Adak, AlaskaFri, Aug 7, 6:24 AM HADT · 2248 days ago · 153 km deep · 42 km away
33. 2.053 km S of Adak, AlaskaFri, Aug 7, 7:36 AM HADT · 2248 days ago · 26 km deep · 86 km away
34. 1.6146 km WSW of Adak, AlaskaFri, Aug 7, 2:44 PM HADT · 2247 days ago · 22 km deep · 41 km away
35. 1.7185 km W of Adak, AlaskaSat, Aug 8, 12:45 PM HADT · 2247 days ago · 75 km deep · 97 km away
36. 1.5129 km WSW of Adak, AlaskaSat, Aug 8, 2:13 PM HADT · 2246 days ago · 8 km deep · 38 km away
37. 3.656 km SSW of Adak, AlaskaSun, Aug 9, 4:43 AM HADT · 2246 days ago · 35 km deep · 63 km away
38. 1.575 km SW of Adak, AlaskaSun, Aug 9, 5:11 AM HADT · 2246 days ago · 25 km deep · 36 km away
39. 1.9129 km WSW of Adak, AlaskaSun, Aug 9, 4:27 PM HADT · 2245 days ago · 7 km deep · 40 km away
40. 3.8128 km SW of Adak, AlaskaSun, Aug 9, 5:42 PM HADT · 2245 days ago · 26 km deep · 26 km away
41. 1.9131 km SW of Adak, AlaskaSun, Aug 9, 6:01 PM HADT · 2245 days ago · 45 km deep · 32 km away
42. 1.663 km WSW of Adak, AlaskaMon, Aug 10, 1:54 AM HADT · 2245 days ago · 26 km deep · 42 km away
43. 3.2191 km WSW of Adak, AlaskaMon, Aug 10, 5:07 AM HADT · 2245 days ago · 18 km deep · 86 km away
44. 2.2185 km WSW of Adak, AlaskaMon, Aug 10, 6:35 AM HADT · 2245 days ago · 22 km deep · 80 km away
45. 2.0115 km SSW of Adak, AlaskaMon, Aug 10, 8:59 AM HADT · 2245 days ago · 26 km deep · 81 km away
46. 2.0140 km SW of Adak, AlaskaMon, Aug 10, 11:14 AM HADT · 2245 days ago · 14 km deep · 41 km away
47. 1.9142 km SW of Adak, AlaskaMon, Aug 10, 11:27 AM HADT · 2245 days ago · 20 km deep · 42 km away
48. 1.979 km WSW of Adak, AlaskaMon, Aug 10, 11:38 AM HADT · 2245 days ago · 21 km deep · 26 km away
49. 1.583 km W of Adak, AlaskaMon, Aug 10, 12:28 PM HADT · 2245 days ago · 5 km deep · 50 km away
50. 1.892 km SW of Adak, AlaskaTue, Aug 11, 12:10 AM HADT · 2244 days ago · 28 km deep · 40 km away
51. 1.5106 km WSW of Adak, AlaskaTue, Aug 11, 5:41 AM HADT · 2244 days ago · 40 km deep · 7 km away
52. 1.5193 km WSW of Adak, AlaskaTue, Aug 11, 8:29 AM HADT · 2244 days ago · 24 km deep · 91 km away
53. 3.018 km S of Adak, AlaskaTue, Aug 11, 12:44 PM HADT · 2244 days ago · 69 km deep · 99 km away
54. 1.811 km S of Adak, AlaskaWed, Aug 12, 4:39 PM HADT · 2242 days ago · 84 km deep · 100 km away
55. 1.796 km WSW of Adak, AlaskaThu, Aug 13, 2:26 AM HADT · 2242 days ago · 29 km deep · 8 km away
56. 3.2130 km WSW of Adak, AlaskaThu, Aug 13, 3:30 PM HADT · 2241 days ago · 88 km deep · 40 km away
57. 2.7131 km WSW of Adak, AlaskaThu, Aug 13, 11:40 PM HADT · 2241 days ago · 10 km deep · 34 km away
58. 1.7189 km WSW of Adak, AlaskaFri, Aug 14, 1:10 PM HADT · 2241 days ago · 24 km deep · 88 km away
59. 1.588 km W of Adak, AlaskaSun, Aug 16, 12:44 AM HADT · 2239 days ago · 5 km deep · 46 km away
60. 2.9158 km WSW of Adak, AlaskaSun, Aug 16, 2:46 AM HADT · 2239 days ago · 29 km deep · 54 km away

The first 60 of 195.

Before

1. 1.6189 km WSW of Adak, AlaskaThu, Jul 30, 8:37 AM HADT · 2256 days ago · 22 km deep · 87 km away
2. 1.573 km SW of Adak, AlaskaWed, Jul 29, 9:26 PM HADT · 2256 days ago · 35 km deep · 37 km away
3. 1.9153 km WSW of Adak, AlaskaWed, Jul 29, 4:49 AM HADT · 2257 days ago · 53 km deep · 50 km away
4. 1.5121 km WSW of Adak, AlaskaWed, Jul 29, 1:40 AM HADT · 2257 days ago · 30 km deep · 26 km away
5. 1.658 km W of Adak, AlaskaWed, Jul 29, 1:30 AM HADT · 2257 days ago · 7 km deep · 62 km away
6. 1.7186 km WSW of Adak, AlaskaTue, Jul 28, 5:28 PM HADT · 2257 days ago · 23 km deep · 81 km away
7. 2.0147 km WSW of Adak, AlaskaTue, Jul 28, 5:19 PM HADT · 2257 days ago · 26 km deep · 42 km away
8. 1.9124 km W of Adak, AlaskaTue, Jul 28, 1:55 PM HADT · 2258 days ago · 186 km deep · 71 km away
9. 1.583 km SW of Adak, AlaskaTue, Jul 28, 10:31 AM HADT · 2258 days ago · 36 km deep · 26 km away
10. 1.853 km W of Adak, AlaskaTue, Jul 28, 7:54 AM HADT · 2258 days ago · 21 km deep · 57 km away
11. 1.577 km SW of Adak, AlaskaMon, Jul 27, 8:58 PM HADT · 2258 days ago · 22 km deep · 33 km away
12. 1.798 km W of Adak, AlaskaMon, Jul 27, 2:29 PM HADT · 2258 days ago · 134 km deep · 42 km away
13. 1.633 km SSW of Adak, AlaskaMon, Jul 27, 5:15 AM HADT · 2259 days ago · 62 km deep · 82 km away
14. 1.6132 km WSW of Adak, AlaskaSun, Jul 26, 9:56 AM HADT · 2260 days ago · 7 km deep · 45 km away
15. 3.7182 km WSW of Adak, AlaskaSat, Jul 25, 1:22 PM HADT · 2261 days ago · 21 km deep · 77 km away
16. 1.981 km WSW of Adak, AlaskaSat, Jul 25, 3:24 AM HADT · 2261 days ago · 65 km deep · 25 km away
17. 1.865 km WSW of Adak, AlaskaFri, Jul 24, 4:50 PM HADT · 2261 days ago · 72 km deep · 40 km away
18. 2.1174 km WSW of Adak, AlaskaFri, Jul 24, 12:51 PM HADT · 2262 days ago · 24 km deep · 70 km away
19. 1.976 km W of Adak, AlaskaFri, Jul 24, 10:33 AM HADT · 2262 days ago · 103 km deep · 48 km away
20. 1.638 km SSW of Adak, AlaskaFri, Jul 24, 5:17 AM HADT · 2262 days ago · 34 km deep · 84 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0209sa7j59. Read Sat, Oct 3, 2026, 10:34 AM UTC.