M1.8 earthquake 240 km W of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Oct 29, 2020, 3:10 PM GMT+12

UTC

2020-10-29 03:10:06 UTC

Depth

64.3 km (40.0 mi), shallow

Epicenter

51.506° N, 179.942° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

20

After

1. 4.3Andreanof Islands, Aleutian Islands, AlaskaFri, Oct 30, 4:29 AM GMT-12 · 2162 days ago · 36 km deep · 51 km away
2. 2.9182 km WSW of Adak, AlaskaSat, Oct 31, 10:27 PM HADT · 2161 days ago · 31 km deep · 89 km away
3. 1.9167.8 km E of Adak, AKMon, Nov 2, 12:14 PM HAST · 2159 days ago · 8 km deep · 74 km away
4. 1.9205 km WSW of Adak, AlaskaTue, Nov 3, 3:14 AM HAST · 2158 days ago · 21 km deep · 75 km away
5. 2.1299 km W of Adak, AlaskaWed, Nov 4, 2:06 AM GMT+12 · 2158 days ago · 74 km deep · 66 km away
6. 2.1161 km W of Adak, AlaskaTue, Nov 3, 7:11 AM HAST · 2158 days ago · 90 km deep · 80 km away
7. 3.2Rat Islands, Aleutian Islands, AlaskaThu, Nov 5, 1:13 AM GMT+12 · 2157 days ago · 82 km deep · 93 km away
8. 4.1Rat Islands, Aleutian Islands, AlaskaFri, Nov 6, 1:56 AM GMT+12 · 2156 days ago · 122 km deep · 86 km away
9. 4.7188 km WSW of Adak, AlaskaSat, Nov 7, 2:15 AM HAST · 2154 days ago · 31 km deep · 79 km away · felt by 1
10. 2.0Rat Islands, Aleutian Islands, AlaskaSun, Nov 8, 8:17 AM GMT+12 · 2154 days ago · 74 km deep · 47 km away
11. 1.8252 km WSW of Adak, AlaskaThu, Nov 12, 2:03 PM GMT+12 · 2150 days ago · 51 km deep · 18 km away
12. 1.8291 km W of Adak, AlaskaThu, Nov 12, 2:49 PM GMT+12 · 2150 days ago · 63 km deep · 52 km away
13. 1.9154 km WSW of Adak, AlaskaFri, Nov 13, 4:48 AM HAST · 2148 days ago · 60 km deep · 91 km away
14. 1.9158 km W of Adak, AlaskaSat, Nov 14, 2:20 PM HAST · 2147 days ago · 7 km deep · 82 km away
15. 2.9276 km W of Adak, AlaskaSun, Nov 15, 11:22 PM GMT+12 · 2146 days ago · 84 km deep · 41 km away
16. 2.6192 km WSW of Adak, AlaskaWed, Nov 18, 2:16 AM HAST · 2143 days ago · 33 km deep · 61 km away
17. 4.1Rat Islands, Aleutian Islands, AlaskaFri, Nov 20, 12:58 AM GMT+12 · 2142 days ago · 33 km deep · 90 km away
18. 1.7171 km W of Adak, AlaskaMon, Nov 23, 12:47 AM HAST · 2138 days ago · 7 km deep · 69 km away
19. 3.0264 km W of Adak, AlaskaTue, Nov 24, 3:25 AM GMT+12 · 2138 days ago · 113 km deep · 37 km away
20. 2.8242 km WSW of Adak, AlaskaWed, Nov 25, 8:40 PM GMT-12 · 2136 days ago · 35 km deep · 38 km away
21. 4.9182 km WSW of Adak, AlaskaSun, Nov 29, 5:57 AM HAST · 2132 days ago · 37 km deep · 87 km away
22. 3.8192 km WSW of Adak, AlaskaSun, Nov 29, 7:17 PM HAST · 2132 days ago · 31 km deep · 67 km away
23. 2.7206 km WSW of Adak, AlaskaTue, Dec 1, 10:47 PM HAST · 2130 days ago · 6 km deep · 95 km away
24. 1.8208 km WSW of Adak, AlaskaWed, Dec 2, 5:23 PM HAST · 2129 days ago · 19 km deep · 39 km away
25. 2.0166 km WSW of Adak, AlaskaThu, Dec 3, 2:49 PM HAST · 2128 days ago · 26 km deep · 81 km away
26. 2.7256 km W of Adak, AlaskaSat, Dec 5, 4:12 PM GMT+12 · 2127 days ago · 69 km deep · 18 km away
27. 3.0234 km W of Adak, AlaskaSun, Dec 6, 6:34 PM HAST · 2125 days ago · 106 km deep · 32 km away
28. 3.8260 km WSW of Adak, AlaskaTue, Dec 8, 8:38 AM GMT+12 · 2124 days ago · 5 km deep · 33 km away
29. 3.1Rat Islands, Aleutian Islands, AlaskaTue, Dec 8, 12:31 PM GMT+12 · 2124 days ago · 64 km deep · 72 km away
30. 2.1220 km WSW of Adak, AlaskaMon, Dec 7, 9:04 PM HAST · 2124 days ago · 19 km deep · 42 km away
31. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Dec 7, 9:24 PM HAST · 2124 days ago · 22 km deep · 62 km away
32. 1.9200 km WSW of Adak, AlaskaTue, Dec 8, 12:48 AM HAST · 2123 days ago · 22 km deep · 52 km away
33. 3.5187 km W of Adak, AlaskaWed, Dec 9, 12:41 AM HAST · 2122 days ago · 44 km deep · 55 km away
34. 4.5221 km WSW of Adak, AlaskaThu, Dec 10, 2:51 AM HAST · 2121 days ago · 10 km deep · 85 km away
35. 2.3180 km WSW of Adak, AlaskaFri, Dec 11, 11:32 AM HAST · 2120 days ago · 74 km deep · 60 km away
36. 3.4214 km WSW of Adak, AlaskaFri, Dec 11, 2:03 PM HAST · 2120 days ago · 21 km deep · 78 km away
37. 2.9191 km WSW of Adak, AlaskaSat, Dec 12, 10:33 PM HAST · 2119 days ago · 30 km deep · 87 km away
38. 3.1241 km WSW of Adak, AlaskaSun, Dec 13, 3:50 PM GMT-12 · 2118 days ago · 35 km deep · 21 km away
39. 2.7192 km WSW of Adak, AlaskaMon, Dec 14, 8:16 PM HAST · 2117 days ago · 28 km deep · 58 km away
40. 3.8289 km WSW of Adak, AlaskaTue, Dec 15, 8:22 PM GMT+12 · 2117 days ago · 29 km deep · 68 km away
41. 2.5240 km WSW of Adak, AlaskaWed, Dec 16, 4:19 AM GMT+12 · 2116 days ago · 15 km deep · 11 km away
42. 1.7156 km WSW of Adak, AlaskaSun, Dec 20, 7:42 PM HAST · 2111 days ago · 14 km deep · 86 km away
43. 3.0254 km WSW of Adak, AlaskaMon, Dec 21, 7:56 PM GMT+12 · 2111 days ago · 12 km deep · 49 km away
44. 1.9152 km WSW of Adak, AlaskaMon, Dec 21, 4:37 AM HAST · 2110 days ago · 11 km deep · 90 km away
45. 2.2148 km WSW of Adak, AlaskaWed, Dec 23, 1:14 AM HAST · 2108 days ago · 58 km deep · 97 km away
46. 3.1253 km WSW of Adak, AlaskaThu, Dec 24, 10:29 AM GMT+12 · 2108 days ago · 10 km deep · 51 km away
47. 3.0183 km WSW of Adak, AlaskaThu, Dec 24, 5:26 AM HAST · 2107 days ago · 35 km deep · 86 km away
48. 3.9191 km WSW of Adak, AlaskaFri, Dec 25, 2:25 AM HAST · 2106 days ago · 83 km deep · 56 km away
49. 3.3288 km W of Adak, AlaskaMon, Dec 28, 10:23 AM GMT+12 · 2104 days ago · 35 km deep · 54 km away

Before

1. 2.1202 km W of Adak, AlaskaWed, Oct 28, 4:06 PM HADT · 2164 days ago · 146 km deep · 76 km away
2. 2.9202 km W of Adak, AlaskaTue, Oct 27, 5:23 PM HADT · 2165 days ago · 107 km deep · 41 km away
3. 1.9269 km WSW of Adak, AlaskaWed, Oct 28, 12:49 PM GMT+12 · 2165 days ago · 9 km deep · 61 km away
4. 2.9240 km WSW of Adak, AlaskaTue, Oct 27, 7:51 AM GMT-12 · 2165 days ago · 18 km deep · 36 km away
5. 2.6265 km W of Adak, AlaskaWed, Oct 28, 4:05 AM GMT+12 · 2165 days ago · 81 km deep · 34 km away
6. 1.5Rat Islands, Aleutian Islands, AlaskaWed, Oct 28, 3:53 AM GMT+12 · 2165 days ago · 16 km deep · 74 km away
7. 4.3156 km WSW of Adak, AlaskaMon, Oct 26, 7:41 PM HADT · 2166 days ago · 35 km deep · 89 km away
8. 2.0208 km WSW of Adak, AlaskaMon, Oct 26, 2:13 PM HADT · 2166 days ago · 13 km deep · 47 km away
9. 1.7201 km WSW of Adak, AlaskaMon, Oct 26, 8:48 AM HADT · 2166 days ago · 5 km deep · 76 km away
10. 2.5244 km WSW of Adak, AlaskaSun, Oct 25, 11:36 PM GMT-12 · 2166 days ago · 22 km deep · 46 km away
11. 2.0218 km W of Adak, AlaskaSun, Oct 25, 11:44 PM HADT · 2167 days ago · 172 km deep · 54 km away
12. 1.8234 km WSW of Adak, AlaskaSun, Oct 25, 6:02 PM HADT · 2167 days ago · 15 km deep · 45 km away
13. 1.9Rat Islands, Aleutian Islands, AlaskaMon, Oct 26, 2:05 PM GMT+12 · 2167 days ago · 46 km deep · 93 km away
14. 2.5Rat Islands, Aleutian Islands, AlaskaSun, Oct 25, 9:59 PM GMT+12 · 2167 days ago · 127 km deep · 53 km away
15. 2.7189 km W of Adak, AlaskaFri, Oct 23, 8:27 PM HADT · 2169 days ago · 96 km deep · 50 km away
16. 2.3146 km W of Adak, AlaskaFri, Oct 23, 5:45 PM HADT · 2169 days ago · 104 km deep · 99 km away
17. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Oct 19, 10:57 PM GMT+12 · 2173 days ago · 92 km deep · 88 km away
18. 1.8196 km WSW of Adak, AlaskaMon, Oct 19, 1:14 AM HADT · 2173 days ago · 20 km deep · 50 km away
19. 1.8179 km WSW of Adak, AlaskaSun, Oct 18, 4:43 PM HADT · 2174 days ago · 25 km deep · 76 km away
20. 1.9Rat Islands, Aleutian Islands, AlaskaMon, Oct 19, 12:43 AM GMT+12 · 2174 days ago · 78 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020dx5om3e. Read Thu, Oct 1, 2026, 9:05 PM UTC.