M2.4 earthquake 239 km WSW of Adak, Alaska

Magnitude

2.4 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Mon, Aug 20, 2018, 12:59 PM GMT-12

UTC

2018-08-21 00:59:25 UTC

Depth

49.9 km (31.0 mi), shallow

Epicenter

51.106° N, 179.856° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

12

After

1. 4.2Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 22, 4:34 AM HADT · 2965 days ago · 35 km deep · 6 km away
2. 2.5182 km WSW of Adak, AlaskaThu, Aug 23, 7:48 AM HADT · 2964 days ago · 35 km deep · 58 km away
3. 2.5233 km WSW of Adak, AlaskaThu, Aug 23, 8:01 AM HADT · 2964 days ago · 70 km deep · 12 km away
4. 1.8166 km W of Adak, AlaskaFri, Aug 24, 12:36 AM HADT · 2963 days ago · 8 km deep · 92 km away
5. 1.8241 km W of Adak, AlaskaFri, Aug 24, 9:46 PM GMT+12 · 2963 days ago · 57 km deep · 48 km away
6. 1.8204 km W of Adak, AlaskaFri, Aug 24, 3:19 AM HADT · 2963 days ago · 85 km deep · 64 km away
7. 2.2242 km WSW of Adak, AlaskaFri, Aug 24, 7:04 AM GMT-12 · 2963 days ago · 13 km deep · 15 km away
8. 2.1242 km WSW of Adak, AlaskaFri, Aug 24, 6:55 PM GMT-12 · 2963 days ago · 5 km deep · 6 km away
9. 2.0226 km WSW of Adak, AlaskaMon, Aug 27, 10:25 AM HADT · 2960 days ago · 2 km deep · 17 km away
10. 2.5239 km W of Adak, AlaskaWed, Aug 29, 4:34 PM GMT+12 · 2959 days ago · 82 km deep · 63 km away
11. 1.6223 km WSW of Adak, AlaskaFri, Aug 31, 3:30 AM HADT · 2956 days ago · 13 km deep · 27 km away
12. 2.0Rat Islands, Aleutian Islands, AlaskaSat, Sep 1, 3:02 AM GMT+12 · 2956 days ago · 7 km deep · 93 km away
13. 1.6185 km WSW of Adak, AlaskaFri, Aug 31, 11:19 AM HADT · 2956 days ago · 22 km deep · 55 km away
14. 1.5187 km W of Adak, AlaskaFri, Aug 31, 11:49 AM HADT · 2956 days ago · 14 km deep · 84 km away
15. 1.9218 km W of Adak, AlaskaFri, Aug 31, 7:16 PM HADT · 2956 days ago · 72 km deep · 56 km away
16. 2.1203 km W of Adak, AlaskaSat, Sep 1, 5:55 AM HADT · 2955 days ago · 82 km deep · 69 km away
17. 2.9190 km WSW of Adak, AlaskaSun, Sep 2, 2:38 AM HADT · 2954 days ago · 22 km deep · 55 km away
18. 3.8165 km W of Adak, AlaskaMon, Sep 3, 5:36 AM HADT · 2953 days ago · 11 km deep · 94 km away
19. 2.3145 km W of Adak, AlaskaMon, Sep 10, 2:43 AM HADT · 2946 days ago · 75 km deep · 100 km away
20. 2.5237 km WSW of Adak, AlaskaTue, Sep 11, 12:18 PM HADT · 2945 days ago · 12 km deep · 12 km away
21. 2.4261 km W of Adak, AlaskaThu, Sep 13, 12:34 AM GMT+12 · 2944 days ago · 61 km deep · 55 km away
22. 2.1144 km WSW of Adak, AlaskaWed, Sep 12, 5:29 AM HADT · 2944 days ago · 49 km deep · 98 km away
23. 2.6259 km W of Adak, AlaskaThu, Sep 13, 1:25 PM GMT+12 · 2944 days ago · 140 km deep · 97 km away
24. 1.7Rat Islands, Aleutian Islands, AlaskaThu, Sep 13, 8:33 PM GMT+12 · 2944 days ago · 29 km deep · 100 km away
25. 2.9273 km W of Adak, AlaskaSat, Sep 15, 5:41 AM GMT+12 · 2942 days ago · 69 km deep · 76 km away
26. 2.9Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 15, 5:03 AM HADT · 2941 days ago · 26 km deep · 59 km away
27. 2.2Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 15, 9:27 PM HADT · 2941 days ago · 80 km deep · 67 km away
28. 2.6183 km WSW of Adak, AlaskaMon, Sep 17, 2:35 AM HADT · 2939 days ago · 18 km deep · 56 km away
29. 1.6221 km W of Adak, AlaskaMon, Sep 17, 7:13 PM HADT · 2939 days ago · 100 km deep · 72 km away
30. 2.8213 km WSW of Adak, AlaskaTue, Sep 18, 11:58 AM HADT · 2938 days ago · 72 km deep · 48 km away
31. 1.9219 km WSW of Adak, AlaskaWed, Sep 19, 9:45 AM HADT · 2937 days ago · 40 km deep · 39 km away
32. 2.3155 km WSW of Adak, AlaskaWed, Sep 19, 10:21 PM HADT · 2937 days ago · 34 km deep · 92 km away
33. 1.7245 km WSW of Adak, AlaskaFri, Sep 21, 8:20 PM GMT-12 · 2935 days ago · 13 km deep · 7 km away
34. 1.6246 km WSW of Adak, AlaskaFri, Sep 21, 8:56 PM GMT-12 · 2935 days ago · 13 km deep · 7 km away
35. 1.5154 km WSW of Adak, AlaskaSat, Sep 22, 9:48 AM HADT · 2934 days ago · 32 km deep · 85 km away
36. 2.0213 km W of Adak, AlaskaSat, Sep 22, 3:10 PM HADT · 2934 days ago · 146 km deep · 96 km away
37. 1.8Rat Islands, Aleutian Islands, AlaskaSun, Sep 23, 7:25 PM GMT+12 · 2934 days ago · 57 km deep · 59 km away
38. 1.6225 km WSW of Adak, AlaskaSun, Sep 23, 5:26 AM HADT · 2933 days ago · 53 km deep · 42 km away
39. 1.7224 km W of Adak, AlaskaSun, Sep 23, 8:14 AM HADT · 2933 days ago · 85 km deep · 75 km away
40. 1.8151 km WSW of Adak, AlaskaSun, Sep 23, 1:22 PM HADT · 2933 days ago · 19 km deep · 97 km away
41. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Sep 24, 6:47 PM GMT+12 · 2933 days ago · 66 km deep · 90 km away
42. 1.7170 km W of Adak, AlaskaMon, Sep 24, 11:12 AM HADT · 2932 days ago · 90 km deep · 87 km away
43. 1.6148 km WSW of Adak, AlaskaMon, Sep 24, 6:42 PM HADT · 2932 days ago · 59 km deep · 92 km away
44. 1.6149 km WSW of Adak, AlaskaTue, Sep 25, 4:42 PM HADT · 2931 days ago · 62 km deep · 96 km away
45. 1.9243 km WSW of Adak, AlaskaTue, Sep 25, 7:48 PM GMT-12 · 2931 days ago · 14 km deep · 9 km away
46. 2.9290 km WSW of Adak, AlaskaFri, Sep 28, 5:12 AM GMT+12 · 2929 days ago · 10 km deep · 51 km away
47. 1.9209 km WSW of Adak, AlaskaThu, Sep 27, 10:08 AM HADT · 2929 days ago · 35 km deep · 31 km away
48. 2.8296 km W of Adak, AlaskaFri, Sep 28, 11:27 PM GMT+12 · 2928 days ago · 86 km deep · 95 km away
49. 2.5214 km WSW of Adak, AlaskaFri, Sep 28, 8:14 AM HADT · 2928 days ago · 22 km deep · 32 km away
50. 4.2294 km WSW of Adak, AlaskaSat, Sep 29, 8:04 AM GMT+12 · 2928 days ago · 35 km deep · 56 km away
51. 2.2145 km WSW of Adak, AlaskaSat, Sep 29, 3:18 AM HADT · 2927 days ago · 37 km deep · 97 km away
52. 2.1173 km WSW of Adak, AlaskaSat, Sep 29, 10:02 AM HADT · 2927 days ago · 24 km deep · 76 km away
53. 2.1170 km WSW of Adak, AlaskaSat, Sep 29, 10:57 AM HADT · 2927 days ago · 69 km deep · 71 km away
54. 1.7182 km WSW of Adak, AlaskaSat, Sep 29, 11:44 AM HADT · 2927 days ago · 31 km deep · 58 km away
55. 2.3177 km WSW of Adak, AlaskaSat, Sep 29, 12:37 PM HADT · 2927 days ago · 22 km deep · 75 km away
56. 1.8196 km WSW of Adak, AlaskaMon, Oct 1, 12:28 AM HADT · 2926 days ago · 60 km deep · 58 km away
57. 2.1179 km SW of Adak, AlaskaMon, Oct 1, 3:29 AM HADT · 2925 days ago · 24 km deep · 77 km away
58. 1.9185 km WSW of Adak, AlaskaThu, Oct 4, 11:04 AM HADT · 2922 days ago · 24 km deep · 60 km away
59. 2.3241 km WSW of Adak, AlaskaFri, Oct 5, 11:45 PM GMT-12 · 2920 days ago · 9 km deep · 7 km away
60. 2.1145 km WSW of Adak, AlaskaSat, Oct 6, 3:07 PM HADT · 2920 days ago · 45 km deep · 97 km away

The first 60 of 78.

Before

1. 4.1248 km WSW of Adak, AlaskaTue, Aug 21, 1:31 AM GMT+12 · 2967 days ago · 70 km deep · 15 km away
2. 2.5266 km WSW of Adak, AlaskaMon, Aug 20, 11:25 AM GMT+12 · 2968 days ago · 35 km deep · 28 km away
3. 2.3183 km WSW of Adak, AlaskaSat, Aug 18, 6:52 PM HADT · 2969 days ago · 26 km deep · 63 km away
4. 3.0234 km WSW of Adak, AlaskaSat, Aug 18, 5:16 PM HADT · 2969 days ago · 32 km deep · 5 km away
5. 1.8198 km WSW of Adak, AlaskaSat, Aug 18, 7:56 AM HADT · 2969 days ago · 26 km deep · 41 km away
6. 2.3236 km W of Adak, AlaskaThu, Aug 16, 5:57 PM HADT · 2971 days ago · 90 km deep · 65 km away
7. 3.1Rat Islands, Aleutian Islands, AlaskaFri, Aug 17, 4:52 AM GMT+12 · 2971 days ago · 10 km deep · 92 km away
8. 2.1236 km WSW of Adak, AlaskaThu, Aug 16, 5:12 AM HADT · 2971 days ago · 13 km deep · 8 km away
9. 2.1203 km WSW of Adak, AlaskaWed, Aug 15, 5:51 PM HADT · 2972 days ago · 8 km deep · 43 km away
10. 1.7206 km WSW of Adak, AlaskaWed, Aug 15, 12:52 PM HADT · 2972 days ago · 25 km deep · 38 km away
11. 2.1262 km W of Adak, AlaskaWed, Aug 15, 11:48 PM GMT+12 · 2972 days ago · 150 km deep · 97 km away
12. 1.7269 km WSW of Adak, AlaskaWed, Aug 15, 6:18 PM GMT+12 · 2973 days ago · 49 km deep · 48 km away
13. 1.9214 km W of Adak, AlaskaTue, Aug 14, 1:52 PM HADT · 2973 days ago · 106 km deep · 77 km away
14. 2.3Rat Islands, Aleutian Islands, AlaskaTue, Aug 14, 2:05 PM GMT+12 · 2974 days ago · 7 km deep · 91 km away
15. 1.9258 km WSW of Adak, AlaskaTue, Aug 14, 11:59 AM GMT+12 · 2974 days ago · 66 km deep · 46 km away
16. 4.1278 km WSW of Adak, AlaskaTue, Aug 14, 10:44 AM GMT+12 · 2974 days ago · 47 km deep · 41 km away
17. 1.8200 km WSW of Adak, AlaskaMon, Aug 13, 4:07 AM HADT · 2974 days ago · 26 km deep · 41 km away
18. 2.0150 km WSW of Adak, AlaskaSun, Aug 12, 8:16 PM HADT · 2975 days ago · 61 km deep · 93 km away
19. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Aug 13, 9:09 AM GMT+12 · 2975 days ago · 19 km deep · 80 km away
20. 2.0239 km WSW of Adak, AlaskaSat, Aug 11, 9:47 PM GMT-12 · 2975 days ago · 13 km deep · 10 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018apckk8o (also filed as ak20257772). Read Sun, Oct 4, 2026, 8:58 PM UTC.