M2.1 earthquake 238 km W of Adak, Alaska

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Nov 20, 2017, 11:56 PM GMT+12

UTC

2017-11-20 11:56:54 UTC

Depth

63.0 km (39.1 mi), shallow

Epicenter

51.603° N, 179.942° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

9

After

1. 2.2218 km WSW of Adak, AlaskaMon, Nov 20, 1:59 AM HAST · 3238 days ago · 13 km deep · 44 km away
2. 2.5227 km W of Adak, AlaskaMon, Nov 20, 11:23 PM HAST · 3237 days ago · 156 km deep · 24 km away
3. 2.5Rat Islands, Aleutian Islands, AlaskaThu, Nov 23, 1:59 PM GMT+12 · 3235 days ago · 69 km deep · 77 km away
4. 2.1195 km WSW of Adak, AlaskaThu, Nov 23, 3:20 AM HAST · 3235 days ago · 26 km deep · 62 km away
5. 2.2Rat Islands, Aleutian Islands, AlaskaFri, Nov 24, 6:53 AM GMT+12 · 3234 days ago · 104 km deep · 97 km away
6. 2.1174 km WSW of Adak, AlaskaThu, Nov 23, 6:15 PM HAST · 3234 days ago · 44 km deep · 89 km away
7. 2.1226 km WSW of Adak, AlaskaFri, Nov 24, 11:23 PM HAST · 3233 days ago · 52 km deep · 20 km away
8. 2.9146 km WSW of Adak, AlaskaSat, Nov 25, 2:36 AM HAST · 3233 days ago · 77 km deep · 92 km away
9. 2.0167 km W of Adak, AlaskaSat, Nov 25, 4:54 AM HAST · 3233 days ago · 9 km deep · 72 km away
10. 2.7197 km WSW of Adak, AlaskaTue, Nov 28, 1:14 AM HAST · 3230 days ago · 29 km deep · 61 km away
11. 2.8176 km WSW of Adak, AlaskaThu, Nov 30, 12:36 AM HAST · 3228 days ago · 64 km deep · 71 km away
12. 2.5Rat Islands, Aleutian Islands, AlaskaFri, Dec 1, 12:07 PM GMT+12 · 3227 days ago · 29 km deep · 76 km away
13. 2.5176 km W of Adak, AlaskaFri, Dec 1, 12:46 AM HAST · 3227 days ago · 7 km deep · 64 km away
14. 3.3210 km WSW of Adak, AlaskaFri, Dec 1, 4:51 AM HAST · 3227 days ago · 38 km deep · 58 km away
15. 2.7237 km WSW of Adak, AlaskaSat, Dec 2, 3:26 PM GMT-12 · 3225 days ago · 64 km deep · 21 km away
16. 2.0162 km WSW of Adak, AlaskaSat, Dec 2, 9:08 PM HAST · 3225 days ago · 25 km deep · 85 km away
17. 2.6292 km WSW of Adak, AlaskaSat, Dec 9, 8:29 PM GMT+12 · 3219 days ago · 21 km deep · 66 km away
18. 2.9253 km W of Adak, AlaskaSat, Dec 9, 11:32 PM GMT+12 · 3219 days ago · 123 km deep · 30 km away
19. 2.2257 km WSW of Adak, AlaskaSun, Dec 10, 7:00 AM GMT+12 · 3218 days ago · 22 km deep · 26 km away
20. 3.3174 km WSW of Adak, AlaskaSun, Dec 10, 2:34 AM HAST · 3218 days ago · 11 km deep · 88 km away
21. 2.6195 km WSW of Adak, AlaskaSun, Dec 10, 3:32 AM HAST · 3218 days ago · 35 km deep · 73 km away
22. 2.8201 km W of Adak, AlaskaSun, Dec 10, 3:55 AM HAST · 3218 days ago · 75 km deep · 51 km away
23. 2.6216 km W of Adak, AlaskaFri, Dec 15, 9:01 PM HAST · 3212 days ago · 63 km deep · 24 km away
24. 3.9181 km WSW of Adak, AlaskaFri, Dec 15, 10:41 PM HAST · 3212 days ago · 87 km deep · 69 km away
25. 2.4167 km W of Adak, AlaskaSat, Dec 16, 1:45 AM HAST · 3212 days ago · 13 km deep · 71 km away
26. 3.1Rat Islands, Aleutian Islands, AlaskaSun, Dec 17, 1:32 AM GMT+12 · 3212 days ago · 51 km deep · 89 km away
27. 2.3218 km W of Adak, AlaskaSat, Dec 16, 9:44 PM HAST · 3211 days ago · 76 km deep · 21 km away
28. 4.0Rat Islands, Aleutian Islands, AlaskaTue, Dec 19, 11:42 PM GMT+12 · 3209 days ago · 61 km deep · 98 km away
29. 3.1145 km W of Adak, AlaskaTue, Dec 19, 5:03 AM HAST · 3209 days ago · 96 km deep · 93 km away
30. 2.7234 km WSW of Adak, AlaskaTue, Dec 19, 9:53 AM HAST · 3208 days ago · 60 km deep · 32 km away
31. 3.2174 km W of Adak, AlaskaThu, Dec 21, 6:46 AM HAST · 3207 days ago · 15 km deep · 64 km away
32. 3.0172 km W of Adak, AlaskaThu, Dec 21, 6:47 AM HAST · 3207 days ago · 18 km deep · 66 km away
33. 2.2236 km W of Adak, AlaskaThu, Dec 21, 2:10 PM HAST · 3206 days ago · 13 km deep · 12 km away
34. 2.4219 km WSW of Adak, AlaskaSat, Dec 23, 9:48 PM HAST · 3204 days ago · 8 km deep · 61 km away
35. 2.7286 km W of Adak, AlaskaTue, Dec 26, 1:27 PM GMT+12 · 3202 days ago · 149 km deep · 63 km away
36. 2.9Rat Islands, Aleutian Islands, AlaskaTue, Dec 26, 3:26 PM GMT+12 · 3202 days ago · 95 km deep · 95 km away
37. 2.6254 km W of Adak, AlaskaTue, Dec 26, 4:09 PM GMT+12 · 3202 days ago · 4 km deep · 42 km away
38. 3.8274 km WSW of Adak, AlaskaTue, Dec 26, 9:24 PM GMT+12 · 3202 days ago · 62 km deep · 39 km away
39. 1.9155 km W of Adak, AlaskaTue, Dec 26, 7:16 AM HAST · 3202 days ago · 9 km deep · 84 km away
40. 2.4189 km WSW of Adak, AlaskaWed, Dec 27, 12:03 AM HAST · 3201 days ago · 34 km deep · 74 km away
41. 2.2138 km W of Adak, AlaskaSat, Dec 30, 7:58 AM HAST · 3198 days ago · 11 km deep · 100 km away
42. 2.5261 km WSW of Adak, AlaskaTue, Jan 2, 1:47 AM GMT+12 · 3196 days ago · 52 km deep · 29 km away
43. 2.2146 km W of Adak, AlaskaTue, Jan 2, 2:45 PM HAST · 3194 days ago · 81 km deep · 94 km away
44. 2.2229 km WSW of Adak, AlaskaWed, Jan 3, 2:06 AM HAST · 3194 days ago · 18 km deep · 55 km away
45. 2.5194 km WSW of Adak, AlaskaWed, Jan 3, 6:59 PM HAST · 3193 days ago · 16 km deep · 54 km away
46. 2.0Rat Islands, Aleutian Islands, AlaskaFri, Jan 5, 2:07 PM GMT+12 · 3192 days ago · 8 km deep · 75 km away
47. 3.8Rat Islands, Aleutian Islands, AlaskaFri, Jan 5, 11:43 PM GMT+12 · 3192 days ago · 45 km deep · 76 km away
48. 4.2209 km W of Adak, AlaskaFri, Jan 5, 7:03 PM HAST · 3191 days ago · 128 km deep · 39 km away
49. 2.7Rat Islands, Aleutian Islands, AlaskaSun, Jan 7, 10:55 AM GMT+12 · 3190 days ago · 2 km deep · 95 km away
50. 2.8242 km WSW of Adak, AlaskaMon, Jan 8, 2:34 AM GMT+12 · 3190 days ago · 72 km deep · 16 km away
51. 4.0Rat Islands, Aleutian Islands, AlaskaTue, Jan 9, 4:19 AM GMT+12 · 3189 days ago · 58 km deep · 71 km away
52. 2.0213 km W of Adak, AlaskaWed, Jan 10, 1:21 AM HAST · 3187 days ago · 7 km deep · 25 km away
53. 2.0201 km W of Adak, AlaskaWed, Jan 10, 4:28 PM HAST · 3186 days ago · 93 km deep · 42 km away
54. 1.9192 km WSW of Adak, AlaskaWed, Jan 10, 9:00 PM HAST · 3186 days ago · 71 km deep · 49 km away
55. 2.8Rat Islands, Aleutian Islands, AlaskaFri, Jan 12, 1:31 AM GMT+12 · 3186 days ago · 28 km deep · 80 km away
56. 2.5157 km W of Adak, AlaskaThu, Jan 11, 6:32 PM HAST · 3185 days ago · 7 km deep · 80 km away
57. 3.1202 km W of Adak, AlaskaSat, Jan 13, 11:16 PM HAST · 3183 days ago · 173 km deep · 59 km away
58. 2.3167 km W of Adak, AlaskaSun, Jan 14, 6:33 AM HAST · 3183 days ago · 9 km deep · 72 km away
59. 1.7276 km W of Adak, AlaskaMon, Jan 15, 4:50 PM GMT+12 · 3182 days ago · 13 km deep · 38 km away
60. 2.1256 km WSW of Adak, AlaskaWed, Jan 17, 8:52 AM GMT+12 · 3180 days ago · 24 km deep · 25 km away

The first 60 of 67.

Before

1. 2.5168 km WSW of Adak, AlaskaMon, Nov 20, 1:01 AM HAST · 3238 days ago · 47 km deep · 77 km away
2. 2.5216 km W of Adak, AlaskaSun, Nov 19, 6:35 PM HAST · 3238 days ago · 104 km deep · 27 km away
3. 2.0167 km W of Adak, AlaskaSun, Nov 19, 5:03 PM HAST · 3238 days ago · 10 km deep · 72 km away
4. 2.9217 km W of Adak, AlaskaSun, Nov 19, 11:08 AM HAST · 3238 days ago · 192 km deep · 64 km away
5. 1.9Rat Islands, Aleutian Islands, AlaskaSun, Nov 19, 11:03 PM GMT+12 · 3239 days ago · 54 km deep · 89 km away
6. 2.2161 km WSW of Adak, AlaskaFri, Nov 17, 8:02 AM HAST · 3241 days ago · 4 km deep · 81 km away
7. 2.2263 km WSW of Adak, AlaskaThu, Nov 16, 8:02 PM GMT+12 · 3242 days ago · 15 km deep · 48 km away
8. 2.3206 km W of Adak, AlaskaTue, Nov 14, 12:45 PM HAST · 3243 days ago · 87 km deep · 46 km away
9. 2.4148 km WSW of Adak, AlaskaSun, Nov 12, 10:14 AM HAST · 3245 days ago · 24 km deep · 99 km away
10. 2.3Rat Islands, Aleutian Islands, AlaskaSat, Nov 11, 12:53 PM GMT+12 · 3247 days ago · 60 km deep · 94 km away
11. 2.7Rat Islands, Aleutian Islands, AlaskaFri, Nov 10, 3:18 PM GMT+12 · 3248 days ago · 17 km deep · 98 km away
12. 2.1278 km WSW of Adak, AlaskaFri, Nov 10, 2:55 AM GMT+12 · 3249 days ago · 47 km deep · 44 km away
13. 2.9178 km W of Adak, AlaskaWed, Nov 8, 4:09 PM HAST · 3249 days ago · 222 km deep · 87 km away
14. 2.5210 km WSW of Adak, AlaskaWed, Nov 8, 7:06 AM HAST · 3250 days ago · 35 km deep · 52 km away
15. 4.2262 km W of Adak, AlaskaWed, Nov 8, 7:24 PM GMT+12 · 3250 days ago · 193 km deep · 45 km away
16. 2.3238 km WSW of Adak, AlaskaTue, Nov 7, 12:15 AM GMT-12 · 3251 days ago · 21 km deep · 42 km away
17. 2.1Andreanof Islands, Aleutian Islands, AlaskaMon, Nov 6, 6:38 PM HAST · 3251 days ago · 51 km deep · 90 km away
18. 2.3Rat Islands, Aleutian Islands, AlaskaSun, Nov 5, 9:04 AM GMT+12 · 3253 days ago · 56 km deep · 83 km away
19. 1.6144 km WSW of Adak, AlaskaThu, Nov 2, 4:25 PM HADT · 3255 days ago · 18 km deep · 98 km away
20. 2.0194 km WSW of Adak, AlaskaThu, Nov 2, 3:07 PM HADT · 3255 days ago · 1 km deep · 49 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017ew10bz7 (also filed as ak17381097). Read Fri, Oct 2, 2026, 6:02 AM UTC.