M4.5 earthquake 221 km WSW of Adak, Alaska

Magnitude

4.5 (mb), light

Local time

Thu, Dec 10, 2020, 2:51 AM HAST

UTC

2020-12-10 12:51:33 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

50.873° N, 179.379° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.1 km horizontally, 1.8 km in depth

Magnitude uncertainty

±0.06

Depth from

Operator assigned

Station coverage gap

139°

Stations used

108

After

1. 2.3180 km WSW of Adak, AlaskaFri, Dec 11, 11:32 AM HAST · 2119 days ago · 74 km deep · 74 km away
2. 3.4214 km WSW of Adak, AlaskaFri, Dec 11, 2:03 PM HAST · 2119 days ago · 21 km deep · 10 km away
3. 1.9155 km WSW of Adak, AlaskaFri, Dec 11, 7:36 PM HAST · 2119 days ago · 22 km deep · 66 km away
4. 2.9191 km WSW of Adak, AlaskaSat, Dec 12, 10:33 PM HAST · 2118 days ago · 30 km deep · 30 km away
5. 3.1241 km WSW of Adak, AlaskaSun, Dec 13, 3:50 PM GMT-12 · 2117 days ago · 35 km deep · 66 km away
6. 1.9132 km WSW of Adak, AlaskaMon, Dec 14, 3:16 AM HAST · 2117 days ago · 73 km deep · 91 km away
7. 2.7192 km WSW of Adak, AlaskaMon, Dec 14, 8:16 PM HAST · 2116 days ago · 28 km deep · 52 km away
8. 3.8289 km WSW of Adak, AlaskaTue, Dec 15, 8:22 PM GMT+12 · 2116 days ago · 29 km deep · 82 km away
9. 2.8275 km SW of Adak, AlaskaMon, Dec 14, 8:27 PM GMT-12 · 2116 days ago · 35 km deep · 92 km away
10. 2.5240 km WSW of Adak, AlaskaWed, Dec 16, 4:19 AM GMT+12 · 2115 days ago · 15 km deep · 75 km away
11. 5.0124 km SW of Adak, AlaskaWed, Dec 16, 9:13 AM HAST · 2114 days ago · 42 km deep · 97 km away · felt by 1
12. 3.2136 km SW of Adak, AlaskaWed, Dec 16, 9:22 AM HAST · 2114 days ago · 35 km deep · 87 km away
13. 2.0133 km SW of Adak, AlaskaWed, Dec 16, 10:13 AM HAST · 2114 days ago · 26 km deep · 89 km away
14. 1.5126 km WSW of Adak, AlaskaFri, Dec 18, 11:08 PM HAST · 2112 days ago · 25 km deep · 96 km away
15. 1.9131 km WSW of Adak, AlaskaSat, Dec 19, 2:13 PM HAST · 2111 days ago · 23 km deep · 89 km away
16. 1.7156 km WSW of Adak, AlaskaSun, Dec 20, 7:42 PM HAST · 2110 days ago · 14 km deep · 80 km away
17. 3.0254 km WSW of Adak, AlaskaMon, Dec 21, 7:56 PM GMT+12 · 2110 days ago · 12 km deep · 52 km away
18. 1.9152 km WSW of Adak, AlaskaMon, Dec 21, 4:37 AM HAST · 2110 days ago · 11 km deep · 83 km away
19. 2.2148 km WSW of Adak, AlaskaWed, Dec 23, 1:14 AM HAST · 2108 days ago · 58 km deep · 80 km away
20. 2.6139 km WSW of Adak, AlaskaWed, Dec 23, 2:49 AM HAST · 2108 days ago · 35 km deep · 81 km away
21. 3.1253 km WSW of Adak, AlaskaThu, Dec 24, 10:29 AM GMT+12 · 2107 days ago · 10 km deep · 50 km away
22. 3.0183 km WSW of Adak, AlaskaThu, Dec 24, 5:26 AM HAST · 2106 days ago · 35 km deep · 39 km away
23. 3.9191 km WSW of Adak, AlaskaFri, Dec 25, 2:25 AM HAST · 2106 days ago · 83 km deep · 57 km away
24. 3.9251 km SW of Adak, AlaskaFri, Dec 25, 7:52 AM HAST · 2105 days ago · 10 km deep · 89 km away
25. 1.9129 km WSW of Adak, AlaskaFri, Dec 25, 9:20 AM HAST · 2105 days ago · 26 km deep · 92 km away
26. 2.2131 km SW of Adak, AlaskaSun, Dec 27, 5:03 PM HAST · 2103 days ago · 26 km deep · 92 km away
27. 1.9127 km SW of Adak, AlaskaMon, Dec 28, 1:27 AM HAST · 2103 days ago · 22 km deep · 95 km away
28. 2.1129 km WSW of Adak, AlaskaMon, Dec 28, 4:27 AM HAST · 2103 days ago · 26 km deep · 91 km away
29. 3.2127 km WSW of Adak, AlaskaMon, Dec 28, 6:33 PM HAST · 2102 days ago · 10 km deep · 98 km away
30. 2.7239 km WSW of Adak, AlaskaTue, Dec 29, 10:09 AM GMT-12 · 2101 days ago · 35 km deep · 60 km away
31. 2.5273 km SW of Adak, AlaskaWed, Dec 30, 2:22 PM GMT-12 · 2100 days ago · 27 km deep · 56 km away
32. 1.8183 km WSW of Adak, AlaskaWed, Dec 30, 5:14 PM HAST · 2100 days ago · 15 km deep · 38 km away
33. 4.1204 km WSW of Adak, AlaskaFri, Jan 1, 1:55 AM HAST · 2099 days ago · 35 km deep · 64 km away
34. 6.1230 km WSW of Adak, AlaskaSun, Jan 3, 2:38 AM HAST · 2097 days ago · 21 km deep · 48 km away · felt by 3 · tsunami flag
35. 3.7251 km WSW of Adak, AlaskaSun, Jan 3, 12:56 AM GMT-12 · 2097 days ago · 10 km deep · 34 km away
36. 3.9242 km WSW of Adak, AlaskaSun, Jan 3, 1:13 AM GMT-12 · 2097 days ago · 35 km deep · 43 km away
37. 4.0236 km WSW of Adak, AlaskaSun, Jan 3, 3:20 AM HAST · 2097 days ago · 31 km deep · 55 km away
38. 4.0231 km WSW of Adak, AlaskaSun, Jan 3, 12:51 PM HAST · 2096 days ago · 35 km deep · 46 km away
39. 2.1176 km WSW of Adak, AlaskaMon, Jan 4, 5:25 AM HAST · 2095 days ago · 76 km deep · 75 km away
40. 2.3241 km WSW of Adak, AlaskaMon, Jan 4, 3:39 AM GMT-12 · 2095 days ago · 47 km deep · 41 km away
41. 2.9253 km WSW of Adak, AlaskaTue, Jan 5, 3:22 PM GMT+12 · 2095 days ago · 35 km deep · 65 km away
42. 3.2241 km WSW of Adak, AlaskaMon, Jan 4, 6:01 PM GMT-12 · 2095 days ago · 23 km deep · 47 km away
43. 3.1245 km WSW of Adak, AlaskaTue, Jan 5, 2:09 PM GMT-12 · 2094 days ago · 10 km deep · 38 km away
44. 1.9185 km WSW of Adak, AlaskaTue, Jan 5, 4:51 PM HAST · 2094 days ago · 12 km deep · 62 km away
45. 2.6253 km WSW of Adak, AlaskaWed, Jan 6, 10:33 PM GMT+12 · 2094 days ago · 35 km deep · 47 km away
46. 2.6247 km WSW of Adak, AlaskaTue, Jan 5, 11:22 PM GMT-12 · 2094 days ago · 10 km deep · 28 km away
47. 3.5210 km WSW of Adak, AlaskaWed, Jan 6, 1:36 AM HAST · 2094 days ago · 35 km deep · 29 km away
48. 4.1193 km WSW of Adak, AlaskaWed, Jan 6, 8:29 AM HAST · 2093 days ago · 28 km deep · 34 km away
49. 3.2250 km WSW of Adak, AlaskaWed, Jan 6, 2:28 PM GMT-12 · 2093 days ago · 35 km deep · 46 km away
50. 1.5125 km WSW of Adak, AlaskaWed, Jan 6, 6:11 PM HAST · 2093 days ago · 13 km deep · 97 km away
51. 3.6240 km WSW of Adak, AlaskaWed, Jan 6, 5:11 PM GMT-12 · 2093 days ago · 24 km deep · 52 km away
52. 2.9258 km WSW of Adak, AlaskaThu, Jan 7, 9:25 PM GMT+12 · 2093 days ago · 33 km deep · 62 km away
53. 3.0134 km WSW of Adak, AlaskaThu, Jan 7, 3:43 AM HAST · 2093 days ago · 31 km deep · 87 km away
54. 2.8205 km WSW of Adak, AlaskaThu, Jan 7, 10:54 PM HAST · 2092 days ago · 35 km deep · 29 km away
55. 2.0231 km WSW of Adak, AlaskaThu, Jan 7, 11:32 PM HAST · 2092 days ago · 8 km deep · 32 km away
56. 3.4267 km SW of Adak, AlaskaFri, Jan 8, 1:48 PM GMT-12 · 2091 days ago · 21 km deep · 86 km away
57. 2.8270 km SW of Adak, AlaskaSat, Jan 9, 1:18 AM GMT-12 · 2091 days ago · 10 km deep · 96 km away
58. 2.2141 km WSW of Adak, AlaskaSat, Jan 9, 4:19 AM HAST · 2091 days ago · 22 km deep · 83 km away
59. 1.8172 km W of Adak, AlaskaMon, Jan 18, 12:34 PM HAST · 2081 days ago · 11 km deep · 94 km away
60. 1.9133 km WSW of Adak, AlaskaWed, Jan 20, 1:31 AM HAST · 2080 days ago · 26 km deep · 87 km away

The first 60 of 74.

Before

1. 3.5187 km W of Adak, AlaskaWed, Dec 9, 12:41 AM HAST · 2122 days ago · 44 km deep · 96 km away
2. 1.9200 km WSW of Adak, AlaskaTue, Dec 8, 12:48 AM HAST · 2123 days ago · 22 km deep · 48 km away
3. 1.9Andreanof Islands, Aleutian Islands, AlaskaMon, Dec 7, 9:24 PM HAST · 2123 days ago · 22 km deep · 51 km away
4. 2.1220 km WSW of Adak, AlaskaMon, Dec 7, 9:04 PM HAST · 2123 days ago · 19 km deep · 44 km away
5. 3.8260 km WSW of Adak, AlaskaTue, Dec 8, 8:38 AM GMT+12 · 2123 days ago · 5 km deep · 73 km away
6. 2.7256 km W of Adak, AlaskaSat, Dec 5, 4:12 PM GMT+12 · 2126 days ago · 69 km deep · 100 km away
7. 2.0166 km WSW of Adak, AlaskaThu, Dec 3, 2:49 PM HAST · 2127 days ago · 26 km deep · 66 km away
8. 1.8208 km WSW of Adak, AlaskaWed, Dec 2, 5:23 PM HAST · 2128 days ago · 19 km deep · 56 km away
9. 2.7206 km WSW of Adak, AlaskaTue, Dec 1, 10:47 PM HAST · 2129 days ago · 6 km deep · 17 km away
10. 3.3Rat Islands, Aleutian Islands, AlaskaWed, Dec 2, 6:51 AM GMT+12 · 2129 days ago · 10 km deep · 99 km away
11. 1.9133 km WSW of Adak, AlaskaSun, Nov 29, 9:10 PM HAST · 2131 days ago · 13 km deep · 95 km away
12. 3.8192 km WSW of Adak, AlaskaSun, Nov 29, 7:17 PM HAST · 2131 days ago · 31 km deep · 40 km away
13. 4.9182 km WSW of Adak, AlaskaSun, Nov 29, 5:57 AM HAST · 2131 days ago · 37 km deep · 40 km away
14. 2.8242 km WSW of Adak, AlaskaWed, Nov 25, 8:40 PM GMT-12 · 2135 days ago · 35 km deep · 52 km away
15. 2.8157 km WSW of Adak, AlaskaWed, Nov 25, 1:53 AM HAST · 2136 days ago · 33 km deep · 64 km away
16. 1.7171 km W of Adak, AlaskaMon, Nov 23, 12:47 AM HAST · 2138 days ago · 7 km deep · 90 km away
17. 2.1122 km WSW of Adak, AlaskaFri, Nov 20, 10:05 AM HAST · 2140 days ago · 17 km deep · 98 km away
18. 1.9139 km SW of Adak, AlaskaWed, Nov 18, 5:49 PM HAST · 2142 days ago · 27 km deep · 83 km away
19. 2.0130 km WSW of Adak, AlaskaWed, Nov 18, 4:07 PM HAST · 2142 days ago · 25 km deep · 91 km away
20. 3.6161 km SW of Adak, AlaskaWed, Nov 18, 4:54 AM HAST · 2143 days ago · 35 km deep · 60 km away

From the USGS Earthquake Hazards Program and its partner networks, event us7000cpqq (also filed as ak020furuy02). Read Thu, Oct 1, 2026, 2:30 AM UTC.