M1.5 earthquake 83 km W of Adak, Alaska

Magnitude

1.5 (ml), micro

Local time

Mon, Aug 10, 2020, 12:28 PM HADT

UTC

2020-08-10 21:28:08 UTC

Depth

5.0 km (3.1 mi), shallow

Epicenter

51.865° N, 177.853° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 1.3 km in depth

Magnitude uncertainty

±0.16

Depth from

From location

Station coverage gap

221°, poorly surrounded by stations

Stations used

6

After

1. 1.892 km SW of Adak, AlaskaTue, Aug 11, 12:10 AM HADT · 2240 days ago · 28 km deep · 75 km away
2. 2.0182 km W of Adak, AlaskaTue, Aug 11, 1:57 AM HADT · 2240 days ago · 83 km deep · 98 km away
3. 1.5106 km WSW of Adak, AlaskaTue, Aug 11, 5:41 AM HADT · 2240 days ago · 40 km deep · 45 km away
4. 3.018 km S of Adak, AlaskaTue, Aug 11, 12:44 PM HADT · 2240 days ago · 69 km deep · 87 km away
5. 1.811 km S of Adak, AlaskaWed, Aug 12, 4:39 PM HADT · 2239 days ago · 84 km deep · 84 km away
6. 1.618 km SE of Adak, AlaskaWed, Aug 12, 6:25 PM HADT · 2239 days ago · 67 km deep · 98 km away
7. 1.796 km WSW of Adak, AlaskaThu, Aug 13, 2:26 AM HADT · 2238 days ago · 29 km deep · 45 km away
8. 3.2130 km WSW of Adak, AlaskaThu, Aug 13, 3:30 PM HADT · 2238 days ago · 88 km deep · 51 km away
9. 2.7131 km WSW of Adak, AlaskaThu, Aug 13, 11:40 PM HADT · 2237 days ago · 10 km deep · 57 km away
10. 1.525 km NNE of Adak, AlaskaFri, Aug 14, 4:03 AM HADT · 2237 days ago · 161 km deep · 99 km away
11. 1.588 km W of Adak, AlaskaSun, Aug 16, 12:44 AM HADT · 2235 days ago · 5 km deep · 6 km away
12. 2.9158 km WSW of Adak, AlaskaSun, Aug 16, 2:46 AM HADT · 2235 days ago · 29 km deep · 98 km away
13. 3.3128 km WSW of Adak, AlaskaSun, Aug 16, 11:58 AM HADT · 2235 days ago · 10 km deep · 54 km away
14. 1.780 km W of Adak, AlaskaSun, Aug 16, 3:17 PM HADT · 2235 days ago · 8 km deep · 4 km away
15. 3.8133 km W of Adak, AlaskaSun, Aug 16, 10:22 PM HADT · 2234 days ago · 145 km deep · 50 km away
16. 2.153 km SW of Adak, AlaskaMon, Aug 17, 6:33 AM HADT · 2234 days ago · 37 km deep · 68 km away
17. 2.1145 km WSW of Adak, AlaskaMon, Aug 17, 1:33 PM HADT · 2234 days ago · 64 km deep · 68 km away
18. 1.6127 km WSW of Adak, AlaskaMon, Aug 17, 8:38 PM HADT · 2234 days ago · 6 km deep · 50 km away
19. 1.9130 km WSW of Adak, AlaskaTue, Aug 18, 1:27 AM HADT · 2233 days ago · 10 km deep · 53 km away
20. 1.6114 km WSW of Adak, AlaskaTue, Aug 18, 8:09 AM HADT · 2233 days ago · 24 km deep · 43 km away
21. 1.5149 km WSW of Adak, AlaskaTue, Aug 18, 12:23 PM HADT · 2233 days ago · 70 km deep · 75 km away
22. 1.6180 km W of Adak, AlaskaWed, Aug 19, 6:16 PM HADT · 2232 days ago · 137 km deep · 97 km away
23. 2.055 km WNW of Adak, AlaskaThu, Aug 20, 12:06 PM HADT · 2231 days ago · 157 km deep · 37 km away
24. 2.0178 km W of Adak, AlaskaThu, Aug 20, 10:52 PM HADT · 2230 days ago · 158 km deep · 95 km away
25. 1.5135 km SW of Adak, AlaskaFri, Aug 21, 8:09 AM HADT · 2230 days ago · 23 km deep · 84 km away
26. 1.6127 km WSW of Adak, AlaskaFri, Aug 21, 11:31 PM HADT · 2229 days ago · 25 km deep · 60 km away
27. 2.063 km WSW of Adak, AlaskaSat, Aug 22, 2:33 AM HADT · 2229 days ago · 68 km deep · 41 km away
28. 1.7171 km WSW of Adak, AlaskaSat, Aug 22, 4:40 AM HADT · 2229 days ago · 14 km deep · 94 km away
29. 2.1145 km WSW of Adak, AlaskaSat, Aug 22, 2:29 PM HADT · 2229 days ago · 23 km deep · 84 km away
30. 3.459 km SSW of Adak, AlaskaSun, Aug 23, 1:02 PM HADT · 2228 days ago · 35 km deep · 92 km away
31. 1.7122 km SW of Adak, AlaskaSun, Aug 23, 6:31 PM HADT · 2228 days ago · 21 km deep · 78 km away
32. 1.992 km W of Adak, AlaskaSun, Aug 23, 9:27 PM HADT · 2227 days ago · 2 km deep · 9 km away
33. 1.688 km W of Adak, AlaskaMon, Aug 24, 3:53 PM HADT · 2227 days ago · 6 km deep · 5 km away
34. 1.588 km W of Adak, AlaskaMon, Aug 24, 6:03 PM HADT · 2227 days ago · 6 km deep · 5 km away
35. 1.6132 km WSW of Adak, AlaskaMon, Aug 24, 7:16 PM HADT · 2227 days ago · 42 km deep · 67 km away
36. 2.7161 km WSW of Adak, AlaskaTue, Aug 25, 3:13 AM HADT · 2226 days ago · 28 km deep · 99 km away
37. 1.8122 km WSW of Adak, AlaskaTue, Aug 25, 12:58 PM HADT · 2226 days ago · 25 km deep · 59 km away
38. 1.5142 km WSW of Adak, AlaskaTue, Aug 25, 8:25 PM HADT · 2226 days ago · 15 km deep · 73 km away
39. 2.073 km WSW of Adak, AlaskaWed, Aug 26, 12:01 AM HADT · 2225 days ago · 58 km deep · 45 km away
40. 1.7142 km W of Adak, AlaskaWed, Aug 26, 12:10 AM HADT · 2225 days ago · 126 km deep · 58 km away
41. 1.582 km W of Adak, AlaskaWed, Aug 26, 1:59 AM HADT · 2225 days ago · 5 km deep · 2 km away
42. 1.5129 km WSW of Adak, AlaskaWed, Aug 26, 3:24 PM HADT · 2225 days ago · 13 km deep · 51 km away
43. 1.7104 km SW of Adak, AlaskaWed, Aug 26, 9:15 PM HADT · 2224 days ago · 64 km deep · 57 km away
44. 1.828 km SSW of Adak, AlaskaWed, Aug 26, 11:43 PM HADT · 2224 days ago · 58 km deep · 81 km away
45. 1.914 km WNW of Adak, AlaskaThu, Aug 27, 4:22 AM HADT · 2224 days ago · 188 km deep · 71 km away
46. 1.651 km SW of Adak, AlaskaThu, Aug 27, 11:38 AM HADT · 2224 days ago · 31 km deep · 65 km away
47. 1.876 km SW of Adak, AlaskaThu, Aug 27, 12:30 PM HADT · 2224 days ago · 39 km deep · 50 km away
48. 1.582 km W of Adak, AlaskaFri, Aug 28, 4:07 AM HADT · 2223 days ago · 4 km deep · 2 km away
49. 3.6Andreanof Islands, Aleutian Islands, AlaskaFri, Aug 28, 3:19 PM HADT · 2223 days ago · 35 km deep · 73 km away
50. 1.7157 km WSW of Adak, AlaskaFri, Aug 28, 9:25 PM HADT · 2222 days ago · 22 km deep · 95 km away
51. 1.557 km WSW of Adak, AlaskaFri, Aug 28, 10:03 PM HADT · 2222 days ago · 57 km deep · 39 km away
52. 2.618 km S of Adak, AlaskaFri, Aug 28, 11:19 PM HADT · 2222 days ago · 66 km deep · 89 km away
53. 1.6127 km W of Adak, AlaskaSat, Aug 29, 12:13 AM HADT · 2222 days ago · 12 km deep · 44 km away
54. 1.843 km SSW of Adak, AlaskaSat, Aug 29, 4:27 PM HADT · 2222 days ago · 62 km deep · 73 km away
55. 1.6130 km WSW of Adak, AlaskaSun, Aug 30, 2:12 AM HADT · 2221 days ago · 17 km deep · 65 km away
56. 4.3126 km WSW of Adak, AlaskaSun, Aug 30, 2:20 AM HADT · 2221 days ago · 34 km deep · 54 km away
57. 1.7130 km WSW of Adak, AlaskaSun, Aug 30, 2:26 AM HADT · 2221 days ago · 24 km deep · 65 km away
58. 1.7129 km WSW of Adak, AlaskaSun, Aug 30, 2:44 AM HADT · 2221 days ago · 25 km deep · 65 km away
59. 1.8128 km WSW of Adak, AlaskaSun, Aug 30, 4:14 AM HADT · 2221 days ago · 25 km deep · 62 km away
60. 2.551 km SW of Adak, AlaskaSun, Aug 30, 7:56 AM HADT · 2221 days ago · 33 km deep · 65 km away

The first 60 of 161.

Before

1. 1.979 km WSW of Adak, AlaskaMon, Aug 10, 11:38 AM HADT · 2241 days ago · 21 km deep · 44 km away
2. 1.9142 km SW of Adak, AlaskaMon, Aug 10, 11:27 AM HADT · 2241 days ago · 20 km deep · 90 km away
3. 2.0140 km SW of Adak, AlaskaMon, Aug 10, 11:14 AM HADT · 2241 days ago · 14 km deep · 90 km away
4. 1.663 km WSW of Adak, AlaskaMon, Aug 10, 1:54 AM HADT · 2241 days ago · 26 km deep · 39 km away
5. 1.9131 km SW of Adak, AlaskaSun, Aug 9, 6:01 PM HADT · 2242 days ago · 45 km deep · 81 km away
6. 3.8128 km SW of Adak, AlaskaSun, Aug 9, 5:42 PM HADT · 2242 days ago · 26 km deep · 74 km away
7. 1.9129 km WSW of Adak, AlaskaSun, Aug 9, 4:27 PM HADT · 2242 days ago · 7 km deep · 50 km away
8. 1.575 km SW of Adak, AlaskaSun, Aug 9, 5:11 AM HADT · 2242 days ago · 25 km deep · 57 km away
9. 3.656 km SSW of Adak, AlaskaSun, Aug 9, 4:43 AM HADT · 2242 days ago · 35 km deep · 73 km away
10. 1.5129 km WSW of Adak, AlaskaSat, Aug 8, 2:13 PM HADT · 2243 days ago · 8 km deep · 51 km away
11. 1.6146 km WSW of Adak, AlaskaFri, Aug 7, 2:44 PM HADT · 2244 days ago · 22 km deep · 83 km away
12. 2.053 km S of Adak, AlaskaFri, Aug 7, 7:36 AM HADT · 2244 days ago · 26 km deep · 93 km away
13. 1.873 km W of Adak, AlaskaFri, Aug 7, 6:24 AM HADT · 2244 days ago · 153 km deep · 17 km away
14. 2.768 km WSW of Adak, AlaskaFri, Aug 7, 4:43 AM HADT · 2244 days ago · 10 km deep · 41 km away
15. 1.6117 km WSW of Adak, AlaskaThu, Aug 6, 8:23 PM HADT · 2245 days ago · 61 km deep · 46 km away
16. 2.0Andreanof Islands, Aleutian Islands, AlaskaThu, Aug 6, 4:59 PM HADT · 2245 days ago · 97 km deep · 100 km away
17. 1.7131 km WSW of Adak, AlaskaThu, Aug 6, 3:07 PM HADT · 2245 days ago · 18 km deep · 71 km away
18. 1.650 km SSW of Adak, AlaskaThu, Aug 6, 11:26 AM HADT · 2245 days ago · 34 km deep · 80 km away
19. 1.688 km W of Adak, AlaskaThu, Aug 6, 8:48 AM HADT · 2245 days ago · 4 km deep · 4 km away
20. 1.787 km W of Adak, AlaskaThu, Aug 6, 3:27 AM HADT · 2245 days ago · 6 km deep · 3 km away

From the USGS Earthquake Hazards Program and its partner networks, event av91110096. Read Tue, Sep 29, 2026, 5:26 PM UTC.