M1.8 earthquake 79 km SW of Adak, Alaska

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Sun, Dec 3, 2017, 4:39 PM HAST

UTC

2017-12-04 02:39:40 UTC

Depth

49.5 km (30.8 mi), shallow

Epicenter

51.451° N, 177.569° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

14

After

1. 2.9130 km WSW of Adak, AlaskaMon, Dec 4, 2:38 AM HAST · 3224 days ago · 12 km deep · 55 km away
2. 2.9125 km WSW of Adak, AlaskaMon, Dec 4, 5:01 AM HAST · 3224 days ago · 35 km deep · 47 km away
3. 2.3100 km SW of Adak, AlaskaMon, Dec 4, 1:24 PM HAST · 3223 days ago · 13 km deep · 21 km away
4. 2.777 km SSE of Adak, AlaskaMon, Dec 4, 5:02 PM HAST · 3223 days ago · 35 km deep · 90 km away
5. 1.858 km WSW of Adak, AlaskaMon, Dec 4, 10:11 PM HAST · 3223 days ago · 65 km deep · 28 km away
6. 1.8Andreanof Islands, Aleutian Islands, AlaskaTue, Dec 5, 6:18 PM HAST · 3222 days ago · 30 km deep · 27 km away
7. 1.9126 km W of Adak, AlaskaTue, Dec 5, 8:09 PM HAST · 3222 days ago · 15 km deep · 65 km away
8. 2.060 km SE of Adak, AlaskaTue, Dec 5, 8:33 PM HAST · 3222 days ago · 26 km deep · 100 km away
9. 2.366 km SSE of Adak, AlaskaWed, Dec 6, 7:34 AM HAST · 3222 days ago · 26 km deep · 97 km away
10. 1.8125 km W of Adak, AlaskaWed, Dec 6, 8:12 AM HAST · 3222 days ago · 14 km deep · 66 km away
11. 2.1119 km WSW of Adak, AlaskaWed, Dec 6, 9:56 AM HAST · 3222 days ago · 20 km deep · 58 km away
12. 1.882 km WSW of Adak, AlaskaWed, Dec 6, 1:05 PM HAST · 3221 days ago · 37 km deep · 9 km away
13. 1.846 km SSW of Adak, AlaskaWed, Dec 6, 3:19 PM HAST · 3221 days ago · 40 km deep · 44 km away
14. 1.9106 km WSW of Adak, AlaskaWed, Dec 6, 5:15 PM HAST · 3221 days ago · 23 km deep · 44 km away
15. 2.9133 km WSW of Adak, AlaskaThu, Dec 7, 5:40 AM HAST · 3221 days ago · 4 km deep · 58 km away
16. 3.1132 km WSW of Adak, AlaskaThu, Dec 7, 9:39 AM HAST · 3221 days ago · 17 km deep · 66 km away
17. 2.931 km W of Adak, AlaskaThu, Dec 7, 1:09 PM HAST · 3220 days ago · 97 km deep · 59 km away
18. 2.1125 km WSW of Adak, AlaskaThu, Dec 7, 2:08 PM HAST · 3220 days ago · 13 km deep · 62 km away
19. 2.076 km SSE of Adak, AlaskaThu, Dec 7, 2:46 PM HAST · 3220 days ago · 9 km deep · 92 km away
20. 2.0115 km SW of Adak, AlaskaThu, Dec 7, 4:54 PM HAST · 3220 days ago · 49 km deep · 35 km away
21. 1.975 km SSE of Adak, AlaskaThu, Dec 7, 7:58 PM HAST · 3220 days ago · 25 km deep · 96 km away
22. 2.0133 km W of Adak, AlaskaThu, Dec 7, 9:30 PM HAST · 3220 days ago · 14 km deep · 74 km away
23. 1.7Andreanof Islands, Aleutian Islands, AlaskaThu, Dec 7, 10:36 PM HAST · 3220 days ago · 31 km deep · 6 km away
24. 2.459 km SSE of Adak, AlaskaSat, Dec 9, 1:06 AM HAST · 3219 days ago · 22 km deep · 96 km away
25. 2.7140 km WSW of Adak, AlaskaSat, Dec 9, 8:34 AM HAST · 3219 days ago · 37 km deep · 69 km away
26. 1.7117 km WSW of Adak, AlaskaSat, Dec 9, 1:37 PM HAST · 3218 days ago · 4 km deep · 50 km away
27. 3.3174 km WSW of Adak, AlaskaSun, Dec 10, 2:34 AM HAST · 3218 days ago · 11 km deep · 98 km away
28. 2.831 km SSW of Adak, AlaskaTue, Dec 12, 12:09 PM HAST · 3215 days ago · 33 km deep · 56 km away
29. 2.3Andreanof Islands, Aleutian Islands, AlaskaTue, Dec 12, 1:35 PM HAST · 3215 days ago · 23 km deep · 87 km away
30. 2.0124 km W of Adak, AlaskaTue, Dec 12, 3:22 PM HAST · 3215 days ago · 10 km deep · 63 km away
31. 2.244 km SSE of Adak, AlaskaTue, Dec 12, 5:34 PM HAST · 3215 days ago · 26 km deep · 87 km away
32. 2.9126 km WSW of Adak, AlaskaTue, Dec 12, 6:29 PM HAST · 3215 days ago · 13 km deep · 63 km away
33. 2.4127 km WSW of Adak, AlaskaTue, Dec 12, 6:40 PM HAST · 3215 days ago · 15 km deep · 63 km away
34. 1.831 km SSE of Adak, AlaskaTue, Dec 12, 11:48 PM HAST · 3215 days ago · 42 km deep · 80 km away
35. 2.3139 km WSW of Adak, AlaskaWed, Dec 13, 4:19 AM HAST · 3215 days ago · 19 km deep · 68 km away
36. 2.065 km S of Adak, AlaskaWed, Dec 13, 6:34 AM HAST · 3215 days ago · 15 km deep · 74 km away
37. 2.4128 km WSW of Adak, AlaskaWed, Dec 13, 9:48 AM HAST · 3215 days ago · 8 km deep · 62 km away
38. 1.921 km SW of Adak, AlaskaWed, Dec 13, 2:22 PM HAST · 3214 days ago · 65 km deep · 59 km away
39. 2.6131 km WSW of Adak, AlaskaThu, Dec 14, 3:01 AM HAST · 3214 days ago · 17 km deep · 55 km away
40. 1.9125 km W of Adak, AlaskaThu, Dec 14, 5:31 AM HAST · 3214 days ago · 18 km deep · 65 km away
41. 1.875 km WSW of Adak, AlaskaThu, Dec 14, 2:24 PM HAST · 3213 days ago · 17 km deep · 6 km away
42. 2.9126 km WSW of Adak, AlaskaThu, Dec 14, 10:05 PM HAST · 3213 days ago · 15 km deep · 53 km away
43. 2.371 km W of Adak, AlaskaFri, Dec 15, 5:59 AM HAST · 3213 days ago · 88 km deep · 41 km away
44. 2.5124 km WSW of Adak, AlaskaFri, Dec 15, 11:45 PM HAST · 3212 days ago · 13 km deep · 58 km away
45. 2.2126 km W of Adak, AlaskaSat, Dec 16, 4:26 AM HAST · 3212 days ago · 24 km deep · 69 km away
46. 2.426 km NW of Adak, AlaskaSat, Dec 16, 12:41 PM HAST · 3211 days ago · 26 km deep · 84 km away
47. 1.9128 km W of Adak, AlaskaSat, Dec 16, 7:28 PM HAST · 3211 days ago · 14 km deep · 69 km away
48. 2.397 km SW of Adak, AlaskaSat, Dec 16, 10:21 PM HAST · 3211 days ago · 23 km deep · 20 km away
49. 2.862 km SW of Adak, AlaskaSat, Dec 16, 10:29 PM HAST · 3211 days ago · 55 km deep · 20 km away
50. 1.871 km WSW of Adak, AlaskaSun, Dec 17, 2:14 AM HAST · 3211 days ago · 38 km deep · 12 km away
51. 1.9127 km W of Adak, AlaskaSun, Dec 17, 2:36 AM HAST · 3211 days ago · 26 km deep · 68 km away
52. 2.7118 km WSW of Adak, AlaskaSun, Dec 17, 12:36 PM HAST · 3210 days ago · 0 km deep · 57 km away
53. 1.8131 km WSW of Adak, AlaskaMon, Dec 18, 2:38 AM HAST · 3210 days ago · 13 km deep · 67 km away
54. 2.136 km WSW of Adak, AlaskaMon, Dec 18, 3:23 AM HAST · 3210 days ago · 32 km deep · 44 km away
55. 3.1145 km W of Adak, AlaskaTue, Dec 19, 5:03 AM HAST · 3209 days ago · 96 km deep · 86 km away
56. 2.9112 km SW of Adak, AlaskaTue, Dec 19, 8:14 AM HAST · 3209 days ago · 32 km deep · 33 km away
57. 3.1143 km WSW of Adak, AlaskaTue, Dec 19, 1:56 PM HAST · 3208 days ago · 29 km deep · 68 km away
58. 2.2115 km SW of Adak, AlaskaThu, Dec 21, 9:03 AM HAST · 3207 days ago · 25 km deep · 36 km away
59. 2.148 km S of Adak, AlaskaThu, Dec 21, 3:21 PM HAST · 3206 days ago · 44 km deep · 67 km away
60. 2.153 km S of Adak, AlaskaThu, Dec 21, 3:36 PM HAST · 3206 days ago · 17 km deep · 73 km away

The first 60 of at least 199.

Before

1. 1.6125 km W of Adak, AlaskaSun, Dec 3, 5:25 AM HAST · 3225 days ago · 24 km deep · 69 km away
2. 3.0127 km WSW of Adak, AlaskaSat, Dec 2, 11:39 PM HAST · 3225 days ago · 8 km deep · 52 km away
3. 1.8114 km WSW of Adak, AlaskaSat, Dec 2, 9:48 PM HAST · 3225 days ago · 19 km deep · 41 km away
4. 2.0162 km WSW of Adak, AlaskaSat, Dec 2, 9:08 PM HAST · 3225 days ago · 25 km deep · 90 km away
5. 1.7124 km WSW of Adak, AlaskaSat, Dec 2, 7:17 PM HAST · 3225 days ago · 10 km deep · 61 km away
6. 2.0126 km W of Adak, AlaskaSat, Dec 2, 1:01 PM HAST · 3225 days ago · 22 km deep · 71 km away
7. 2.2128 km WSW of Adak, AlaskaSat, Dec 2, 12:04 PM HAST · 3225 days ago · 13 km deep · 64 km away
8. 2.2110 km WSW of Adak, AlaskaSat, Dec 2, 10:10 AM HAST · 3226 days ago · 20 km deep · 40 km away
9. 2.0129 km WSW of Adak, AlaskaSat, Dec 2, 8:42 AM HAST · 3226 days ago · 24 km deep · 51 km away
10. 2.080 km WSW of Adak, AlaskaSat, Dec 2, 8:22 AM HAST · 3226 days ago · 61 km deep · 25 km away
11. 2.6128 km WSW of Adak, AlaskaSat, Dec 2, 3:26 AM HAST · 3226 days ago · 50 km deep · 49 km away
12. 1.9121 km SW of Adak, AlaskaSat, Dec 2, 12:53 AM HAST · 3226 days ago · 14 km deep · 42 km away
13. 2.3146 km SW of Adak, AlaskaSat, Dec 2, 12:14 AM HAST · 3226 days ago · 18 km deep · 68 km away
14. 1.969 km WSW of Adak, AlaskaSat, Dec 2, 12:13 AM HAST · 3226 days ago · 40 km deep · 11 km away
15. 2.2141 km WSW of Adak, AlaskaFri, Dec 1, 8:11 PM HAST · 3226 days ago · 22 km deep · 63 km away
16. 2.142 km SW of Adak, AlaskaFri, Dec 1, 7:09 PM HAST · 3226 days ago · 43 km deep · 40 km away
17. 2.3135 km WSW of Adak, AlaskaFri, Dec 1, 5:51 PM HAST · 3226 days ago · 58 km deep · 60 km away
18. 3.079 km SW of Adak, AlaskaFri, Dec 1, 4:56 PM HAST · 3226 days ago · 41 km deep · 17 km away
19. 2.236 km SSW of Adak, AlaskaThu, Nov 30, 11:55 PM HAST · 3227 days ago · 32 km deep · 51 km away
20. 2.8133 km WSW of Adak, AlaskaThu, Nov 30, 8:41 PM HAST · 3227 days ago · 5 km deep · 59 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak017fj12m4w (also filed as ak17500902). Read Fri, Oct 2, 2026, 8:15 AM UTC.