M1.9 earthquake 129 km W of Adak, Alaska

Magnitude

1.9 (ml), micro

Local time

Wed, Oct 21, 2020, 4:18 AM HADT

UTC

2020-10-21 13:18:29 UTC

Depth

15.1 km (9.4 mi), shallow

Epicenter

51.709° N, 178.489° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

19

After

1. 2.1125 km W of Adak, AlaskaWed, Oct 21, 6:45 PM HADT · 2168 days ago · 9 km deep · 18 km away
2. 1.874 km W of Adak, AlaskaWed, Oct 21, 11:50 PM HADT · 2168 days ago · 11 km deep · 55 km away
3. 2.3146 km W of Adak, AlaskaFri, Oct 23, 5:45 PM HADT · 2166 days ago · 104 km deep · 28 km away
4. 4.2168 km WNW of Adak, AlaskaFri, Oct 23, 7:01 PM HADT · 2166 days ago · 205 km deep · 75 km away
5. 2.7189 km W of Adak, AlaskaFri, Oct 23, 8:27 PM HADT · 2166 days ago · 96 km deep · 60 km away
6. 1.8137 km WSW of Adak, AlaskaSat, Oct 24, 3:13 PM HADT · 2165 days ago · 17 km deep · 52 km away
7. 1.6135 km WSW of Adak, AlaskaSun, Oct 25, 1:19 AM HADT · 2165 days ago · 25 km deep · 31 km away
8. 1.7161 km WSW of Adak, AlaskaSun, Oct 25, 1:55 PM HADT · 2164 days ago · 25 km deep · 64 km away
9. 2.7159 km WSW of Adak, AlaskaSun, Oct 25, 8:31 PM HADT · 2164 days ago · 29 km deep · 68 km away
10. 2.9156 km WSW of Adak, AlaskaSun, Oct 25, 8:46 PM HADT · 2164 days ago · 28 km deep · 65 km away
11. 2.0218 km W of Adak, AlaskaSun, Oct 25, 11:44 PM HADT · 2164 days ago · 172 km deep · 95 km away
12. 1.7201 km WSW of Adak, AlaskaMon, Oct 26, 8:48 AM HADT · 2164 days ago · 5 km deep · 88 km away
13. 2.0208 km WSW of Adak, AlaskaMon, Oct 26, 2:13 PM HADT · 2163 days ago · 13 km deep · 83 km away
14. 4.3156 km WSW of Adak, AlaskaMon, Oct 26, 7:41 PM HADT · 2163 days ago · 35 km deep · 37 km away
15. 2.9202 km W of Adak, AlaskaTue, Oct 27, 5:23 PM HADT · 2162 days ago · 107 km deep · 74 km away
16. 3.1128 km WSW of Adak, AlaskaTue, Oct 27, 8:31 PM HADT · 2162 days ago · 30 km deep · 54 km away
17. 1.8129 km WSW of Adak, AlaskaWed, Oct 28, 6:31 AM HADT · 2162 days ago · 35 km deep · 50 km away
18. 2.8138 km WSW of Adak, AlaskaWed, Oct 28, 8:01 AM HADT · 2162 days ago · 16 km deep · 51 km away
19. 1.9147 km WSW of Adak, AlaskaWed, Oct 28, 8:32 AM HADT · 2162 days ago · 26 km deep · 56 km away
20. 2.1202 km W of Adak, AlaskaWed, Oct 28, 4:06 PM HADT · 2161 days ago · 146 km deep · 86 km away
21. 2.188 km SW of Adak, AlaskaFri, Oct 30, 12:33 PM HADT · 2159 days ago · 35 km deep · 69 km away
22. 2.9182 km WSW of Adak, AlaskaSat, Oct 31, 10:27 PM HADT · 2158 days ago · 31 km deep · 75 km away
23. 1.9167.8 km E of Adak, AKMon, Nov 2, 12:14 PM HAST · 2156 days ago · 8 km deep · 39 km away
24. 1.881 km WSW of Adak, AlaskaMon, Nov 2, 5:20 PM HAST · 2156 days ago · 75 km deep · 48 km away
25. 1.8129 km WSW of Adak, AlaskaMon, Nov 2, 11:32 PM HAST · 2156 days ago · 43 km deep · 45 km away
26. 1.9205 km WSW of Adak, AlaskaTue, Nov 3, 3:14 AM HAST · 2156 days ago · 21 km deep · 92 km away
27. 2.1161 km W of Adak, AlaskaTue, Nov 3, 7:11 AM HAST · 2156 days ago · 90 km deep · 33 km away
28. 3.1123 km WSW of Adak, AlaskaWed, Nov 4, 2:33 AM HAST · 2155 days ago · 34 km deep · 53 km away
29. 2.6146 km WSW of Adak, AlaskaWed, Nov 4, 4:08 AM HAST · 2155 days ago · 32 km deep · 60 km away
30. 2.838 km WSW of Adak, AlaskaThu, Nov 5, 5:29 PM HAST · 2153 days ago · 81 km deep · 95 km away
31. 1.8120 km SW of Adak, AlaskaFri, Nov 6, 4:49 PM HAST · 2152 days ago · 26 km deep · 70 km away
32. 2.197 km WSW of Adak, AlaskaFri, Nov 6, 5:33 PM HAST · 2152 days ago · 58 km deep · 49 km away
33. 2.0119 km SW of Adak, AlaskaFri, Nov 6, 7:34 PM HAST · 2152 days ago · 26 km deep · 70 km away
34. 4.7188 km WSW of Adak, AlaskaSat, Nov 7, 2:15 AM HAST · 2152 days ago · 31 km deep · 76 km away · felt by 1
35. 1.982 km WSW of Adak, AlaskaSat, Nov 7, 6:14 PM HAST · 2151 days ago · 73 km deep · 49 km away
36. 1.7101 km SW of Adak, AlaskaWed, Nov 11, 1:38 PM HAST · 2147 days ago · 26 km deep · 73 km away
37. 1.788 km SW of Adak, AlaskaWed, Nov 11, 2:36 PM HAST · 2147 days ago · 25 km deep · 75 km away
38. 1.9121 km WSW of Adak, AlaskaWed, Nov 11, 4:22 PM HAST · 2147 days ago · 24 km deep · 42 km away
39. 1.9156 km WSW of Adak, AlaskaWed, Nov 11, 8:28 PM HAST · 2147 days ago · 20 km deep · 67 km away
40. 1.6130 km WSW of Adak, AlaskaThu, Nov 12, 7:03 PM HAST · 2146 days ago · 7 km deep · 16 km away
41. 2.1130 km WSW of Adak, AlaskaFri, Nov 13, 1:07 AM HAST · 2146 days ago · 7 km deep · 14 km away
42. 1.9153 km WSW of Adak, AlaskaFri, Nov 13, 4:15 AM HAST · 2146 days ago · 21 km deep · 60 km away
43. 1.9154 km WSW of Adak, AlaskaFri, Nov 13, 4:48 AM HAST · 2146 days ago · 60 km deep · 36 km away
44. 2.9136 km WSW of Adak, AlaskaFri, Nov 13, 1:41 PM HAST · 2145 days ago · 33 km deep · 55 km away
45. 1.9131 km WSW of Adak, AlaskaFri, Nov 13, 4:00 PM HAST · 2145 days ago · 10 km deep · 15 km away
46. 3.1128 km SW of Adak, AlaskaSat, Nov 14, 4:16 AM HAST · 2145 days ago · 29 km deep · 64 km away
47. 2.581 km W of Adak, AlaskaSat, Nov 14, 10:42 AM HAST · 2144 days ago · 4 km deep · 49 km away
48. 1.9158 km W of Adak, AlaskaSat, Nov 14, 2:20 PM HAST · 2144 days ago · 7 km deep · 30 km away
49. 1.7103 km WSW of Adak, AlaskaSun, Nov 15, 2:28 AM HAST · 2144 days ago · 32 km deep · 37 km away
50. 2.690 km WSW of Adak, AlaskaSun, Nov 15, 5:30 AM HAST · 2144 days ago · 74 km deep · 44 km away
51. 2.0135 km WSW of Adak, AlaskaMon, Nov 16, 8:53 PM HAST · 2142 days ago · 26 km deep · 35 km away
52. 2.6192 km WSW of Adak, AlaskaWed, Nov 18, 2:16 AM HAST · 2141 days ago · 33 km deep · 71 km away
53. 3.6161 km SW of Adak, AlaskaWed, Nov 18, 4:54 AM HAST · 2141 days ago · 35 km deep · 71 km away
54. 2.0130 km WSW of Adak, AlaskaWed, Nov 18, 4:07 PM HAST · 2140 days ago · 25 km deep · 40 km away
55. 1.9139 km SW of Adak, AlaskaWed, Nov 18, 5:49 PM HAST · 2140 days ago · 27 km deep · 62 km away
56. 2.1122 km WSW of Adak, AlaskaFri, Nov 20, 10:05 AM HAST · 2138 days ago · 17 km deep · 45 km away
57. 1.869 km WSW of Adak, AlaskaFri, Nov 20, 2:55 PM HAST · 2138 days ago · 56 km deep · 70 km away
58. 2.885 km SW of Adak, AlaskaFri, Nov 20, 5:21 PM HAST · 2138 days ago · 35 km deep · 72 km away
59. 1.8102 km WSW of Adak, AlaskaFri, Nov 20, 7:31 PM HAST · 2138 days ago · 52 km deep · 48 km away
60. 1.7Andreanof Islands, Aleutian Islands, AlaskaSat, Nov 21, 1:12 AM HAST · 2138 days ago · 10 km deep · 34 km away

The first 60 of 115.

Before

1. 1.8127 km W of Adak, AlaskaTue, Oct 20, 6:27 PM HADT · 2169 days ago · 13 km deep · 13 km away
2. 2.878 km SW of Adak, AlaskaTue, Oct 20, 12:45 PM HADT · 2169 days ago · 29 km deep · 75 km away
3. 2.8139 km WSW of Adak, AlaskaMon, Oct 19, 10:55 PM HADT · 2170 days ago · 31 km deep · 37 km away
4. 1.567 km W of Adak, AlaskaMon, Oct 19, 10:39 AM HADT · 2170 days ago · 13 km deep · 64 km away
5. 1.8196 km WSW of Adak, AlaskaMon, Oct 19, 1:14 AM HADT · 2171 days ago · 20 km deep · 70 km away
6. 1.8179 km WSW of Adak, AlaskaSun, Oct 18, 4:43 PM HADT · 2171 days ago · 25 km deep · 62 km away
7. 3.0129 km WSW of Adak, AlaskaSun, Oct 18, 11:06 AM HADT · 2171 days ago · 19 km deep · 16 km away
8. 3.8Andreanof Islands, Aleutian Islands, AlaskaSun, Oct 18, 3:54 AM HADT · 2172 days ago · 41 km deep · 48 km away
9. 2.568 km SW of Adak, AlaskaSat, Oct 17, 6:21 PM HADT · 2172 days ago · 61 km deep · 79 km away
10. 2.9192 km WSW of Adak, AlaskaSat, Oct 17, 7:13 AM HADT · 2173 days ago · 25 km deep · 77 km away
11. 3.1133 km SW of Adak, AlaskaSat, Oct 17, 2:07 AM HADT · 2173 days ago · 35 km deep · 80 km away
12. 2.4178 km W of Adak, AlaskaFri, Oct 16, 3:44 PM HADT · 2173 days ago · 93 km deep · 50 km away
13. 2.6139 km WSW of Adak, AlaskaFri, Oct 16, 8:09 AM HADT · 2174 days ago · 35 km deep · 56 km away
14. 1.947 km SW of Adak, AlaskaThu, Oct 15, 4:18 AM HADT · 2175 days ago · 28 km deep · 99 km away
15. 1.751 km W of Adak, AlaskaThu, Oct 15, 3:42 AM HADT · 2175 days ago · 90 km deep · 78 km away
16. 2.0225 km W of Adak, AlaskaWed, Oct 14, 10:00 PM HADT · 2175 days ago · 100 km deep · 98 km away
17. 1.8127 km WSW of Adak, AlaskaWed, Oct 14, 8:16 PM HADT · 2175 days ago · 26 km deep · 45 km away
18. 1.597 km SW of Adak, AlaskaWed, Oct 14, 7:20 AM HADT · 2176 days ago · 28 km deep · 76 km away
19. 2.1138 km SW of Adak, AlaskaTue, Oct 13, 11:21 AM HADT · 2176 days ago · 26 km deep · 81 km away
20. 3.1140 km W of Adak, AlaskaTue, Oct 13, 7:40 AM HADT · 2177 days ago · 153 km deep · 23 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020dk3dxte. Read Tue, Sep 29, 2026, 6:35 AM UTC.