M2.3 earthquake 236 km W of Adak, Alaska

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Thu, Aug 16, 2018, 5:57 PM HADT

UTC

2018-08-17 02:57:51 UTC

Depth

90.0 km (55.9 mi), intermediate-depth

Epicenter

51.680° N, 179.957° E

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

9

After

1. 1.8198 km WSW of Adak, AlaskaSat, Aug 18, 7:56 AM HADT · 2967 days ago · 26 km deep · 68 km away
2. 3.0234 km WSW of Adak, AlaskaSat, Aug 18, 5:16 PM HADT · 2966 days ago · 32 km deep · 66 km away
3. 2.5266 km WSW of Adak, AlaskaMon, Aug 20, 11:25 AM GMT+12 · 2966 days ago · 35 km deep · 67 km away
4. 4.1248 km WSW of Adak, AlaskaTue, Aug 21, 1:31 AM GMT+12 · 2965 days ago · 70 km deep · 55 km away
5. 2.4239 km WSW of Adak, AlaskaMon, Aug 20, 12:59 PM GMT-12 · 2965 days ago · 50 km deep · 65 km away
6. 4.2Andreanof Islands, Aleutian Islands, AlaskaWed, Aug 22, 4:34 AM HADT · 2963 days ago · 35 km deep · 60 km away
7. 1.9Rat Islands, Aleutian Islands, AlaskaFri, Aug 24, 3:29 AM GMT+12 · 2962 days ago · 65 km deep · 83 km away
8. 2.5182 km WSW of Adak, AlaskaThu, Aug 23, 7:48 AM HADT · 2962 days ago · 35 km deep · 70 km away
9. 2.5233 km WSW of Adak, AlaskaThu, Aug 23, 8:01 AM HADT · 2962 days ago · 70 km deep · 54 km away
10. 1.8166 km W of Adak, AlaskaFri, Aug 24, 12:36 AM HADT · 2961 days ago · 8 km deep · 70 km away
11. 1.8241 km W of Adak, AlaskaFri, Aug 24, 9:46 PM GMT+12 · 2961 days ago · 57 km deep · 19 km away
12. 1.8204 km W of Adak, AlaskaFri, Aug 24, 3:19 AM HADT · 2961 days ago · 85 km deep · 33 km away
13. 2.2242 km WSW of Adak, AlaskaFri, Aug 24, 7:04 AM GMT-12 · 2961 days ago · 13 km deep · 80 km away
14. 2.5Rat Islands, Aleutian Islands, AlaskaSat, Aug 25, 12:24 PM GMT+12 · 2961 days ago · 91 km deep · 87 km away
15. 2.1242 km WSW of Adak, AlaskaFri, Aug 24, 6:55 PM GMT-12 · 2960 days ago · 5 km deep · 71 km away
16. 2.0226 km WSW of Adak, AlaskaMon, Aug 27, 10:25 AM HADT · 2958 days ago · 2 km deep · 74 km away
17. 2.5239 km W of Adak, AlaskaWed, Aug 29, 4:34 PM GMT+12 · 2956 days ago · 82 km deep · 3 km away
18. 1.6223 km WSW of Adak, AlaskaFri, Aug 31, 3:30 AM HADT · 2954 days ago · 13 km deep · 44 km away
19. 2.0Rat Islands, Aleutian Islands, AlaskaSat, Sep 1, 3:02 AM GMT+12 · 2954 days ago · 7 km deep · 72 km away
20. 1.6185 km WSW of Adak, AlaskaFri, Aug 31, 11:19 AM HADT · 2954 days ago · 22 km deep · 71 km away
21. 1.5187 km W of Adak, AlaskaFri, Aug 31, 11:49 AM HADT · 2954 days ago · 14 km deep · 49 km away
22. 1.9218 km W of Adak, AlaskaFri, Aug 31, 7:16 PM HADT · 2953 days ago · 72 km deep · 20 km away
23. 2.1203 km W of Adak, AlaskaSat, Sep 1, 5:55 AM HADT · 2953 days ago · 82 km deep · 33 km away
24. 2.9190 km WSW of Adak, AlaskaSun, Sep 2, 2:38 AM HADT · 2952 days ago · 22 km deep · 96 km away
25. 1.9Rat Islands, Aleutian Islands, AlaskaMon, Sep 3, 1:14 AM GMT+12 · 2952 days ago · 102 km deep · 94 km away
26. 2.1142 km W of Adak, AlaskaSun, Sep 2, 6:48 PM HADT · 2951 days ago · 88 km deep · 93 km away
27. 1.9297 km W of Adak, AlaskaMon, Sep 3, 4:57 PM GMT+12 · 2951 days ago · 1 km deep · 63 km away
28. 3.8165 km W of Adak, AlaskaMon, Sep 3, 5:36 AM HADT · 2951 days ago · 11 km deep · 71 km away
29. 2.2Rat Islands, Aleutian Islands, AlaskaWed, Sep 5, 7:45 PM GMT+12 · 2949 days ago · 72 km deep · 89 km away
30. 2.5Rat Islands, Aleutian Islands, AlaskaThu, Sep 6, 1:29 PM GMT+12 · 2949 days ago · 48 km deep · 87 km away
31. 2.4296 km W of Adak, AlaskaSat, Sep 8, 12:38 AM GMT+12 · 2947 days ago · 98 km deep · 62 km away
32. 2.3212 km W of Adak, AlaskaSat, Sep 8, 11:14 AM HADT · 2946 days ago · 176 km deep · 48 km away
33. 2.3145 km W of Adak, AlaskaMon, Sep 10, 2:43 AM HADT · 2944 days ago · 75 km deep · 92 km away
34. 2.5237 km WSW of Adak, AlaskaTue, Sep 11, 12:18 PM HADT · 2943 days ago · 12 km deep · 76 km away
35. 2.4261 km W of Adak, AlaskaThu, Sep 13, 12:34 AM GMT+12 · 2942 days ago · 61 km deep · 30 km away
36. 2.6259 km W of Adak, AlaskaThu, Sep 13, 1:25 PM GMT+12 · 2942 days ago · 140 km deep · 36 km away
37. 1.7Rat Islands, Aleutian Islands, AlaskaThu, Sep 13, 8:33 PM GMT+12 · 2941 days ago · 29 km deep · 82 km away
38. 2.9273 km W of Adak, AlaskaSat, Sep 15, 5:41 AM GMT+12 · 2940 days ago · 69 km deep · 38 km away
39. 1.8Rat Islands, Aleutian Islands, AlaskaSun, Sep 16, 12:47 AM GMT+12 · 2939 days ago · 86 km deep · 88 km away
40. 2.9Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 15, 5:03 AM HADT · 2939 days ago · 26 km deep · 95 km away
41. 2.2Andreanof Islands, Aleutian Islands, AlaskaSat, Sep 15, 9:27 PM HADT · 2938 days ago · 80 km deep · 5 km away
42. 2.6183 km WSW of Adak, AlaskaMon, Sep 17, 2:35 AM HADT · 2937 days ago · 18 km deep · 74 km away
43. 1.9Rat Islands, Aleutian Islands, AlaskaTue, Sep 18, 3:48 AM GMT+12 · 2937 days ago · 22 km deep · 94 km away
44. 1.6221 km W of Adak, AlaskaMon, Sep 17, 7:13 PM HADT · 2936 days ago · 100 km deep · 16 km away
45. 2.8213 km WSW of Adak, AlaskaTue, Sep 18, 11:58 AM HADT · 2936 days ago · 72 km deep · 32 km away
46. 1.9219 km WSW of Adak, AlaskaWed, Sep 19, 9:45 AM HADT · 2935 days ago · 40 km deep · 97 km away
47. 1.7245 km WSW of Adak, AlaskaFri, Sep 21, 8:20 PM GMT-12 · 2932 days ago · 13 km deep · 70 km away
48. 1.6246 km WSW of Adak, AlaskaFri, Sep 21, 8:56 PM GMT-12 · 2932 days ago · 13 km deep · 69 km away
49. 2.0213 km W of Adak, AlaskaSat, Sep 22, 3:10 PM HADT · 2932 days ago · 146 km deep · 39 km away
50. 1.8Rat Islands, Aleutian Islands, AlaskaSun, Sep 23, 7:25 PM GMT+12 · 2931 days ago · 57 km deep · 32 km away
51. 1.6225 km WSW of Adak, AlaskaSun, Sep 23, 5:26 AM HADT · 2931 days ago · 53 km deep · 26 km away
52. 1.7224 km W of Adak, AlaskaSun, Sep 23, 8:14 AM HADT · 2931 days ago · 85 km deep · 16 km away
53. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Sep 24, 6:47 PM GMT+12 · 2930 days ago · 66 km deep · 65 km away
54. 1.9Rat Islands, Aleutian Islands, AlaskaMon, Sep 24, 7:53 PM GMT+12 · 2930 days ago · 114 km deep · 73 km away
55. 1.7170 km W of Adak, AlaskaMon, Sep 24, 11:12 AM HADT · 2930 days ago · 90 km deep · 65 km away
56. 2.0Rat Islands, Aleutian Islands, AlaskaWed, Sep 26, 12:31 AM GMT+12 · 2929 days ago · 94 km deep · 79 km away
57. 2.0253 km W of Adak, AlaskaWed, Sep 26, 3:14 PM GMT+12 · 2928 days ago · 161 km deep · 42 km away
58. 1.9243 km WSW of Adak, AlaskaTue, Sep 25, 7:48 PM GMT-12 · 2928 days ago · 14 km deep · 74 km away
59. 2.7Rat Islands, Aleutian Islands, AlaskaThu, Sep 27, 5:41 AM GMT+12 · 2928 days ago · 77 km deep · 81 km away
60. 2.9290 km WSW of Adak, AlaskaFri, Sep 28, 5:12 AM GMT+12 · 2927 days ago · 10 km deep · 92 km away

The first 60 of 82.

Before

1. 2.7234 km W of Adak, AlaskaThu, Aug 16, 4:05 PM HADT · 2969 days ago · 177 km deep · 40 km away
2. 2.1236 km WSW of Adak, AlaskaThu, Aug 16, 5:12 AM HADT · 2969 days ago · 13 km deep · 57 km away
3. 2.1203 km WSW of Adak, AlaskaWed, Aug 15, 5:51 PM HADT · 2969 days ago · 8 km deep · 89 km away
4. 2.1142 km W of Adak, AlaskaWed, Aug 15, 4:50 PM HADT · 2970 days ago · 12 km deep · 93 km away
5. 1.7206 km WSW of Adak, AlaskaWed, Aug 15, 12:52 PM HADT · 2970 days ago · 25 km deep · 52 km away
6. 1.6143 km W of Adak, AlaskaWed, Aug 15, 11:16 AM HADT · 2970 days ago · 15 km deep · 93 km away
7. 2.5214 km W of Adak, AlaskaWed, Aug 15, 7:58 AM HADT · 2970 days ago · 187 km deep · 55 km away
8. 2.2Rat Islands, Aleutian Islands, AlaskaThu, Aug 16, 12:38 AM GMT+12 · 2970 days ago · 89 km deep · 88 km away
9. 2.1262 km W of Adak, AlaskaWed, Aug 15, 11:48 PM GMT+12 · 2970 days ago · 150 km deep · 37 km away
10. 1.7269 km WSW of Adak, AlaskaWed, Aug 15, 6:18 PM GMT+12 · 2970 days ago · 49 km deep · 46 km away
11. 1.9214 km W of Adak, AlaskaTue, Aug 14, 1:52 PM HADT · 2971 days ago · 106 km deep · 24 km away
12. 1.7Rat Islands, Aleutian Islands, AlaskaWed, Aug 15, 12:36 AM GMT+12 · 2971 days ago · 30 km deep · 84 km away
13. 2.3Rat Islands, Aleutian Islands, AlaskaTue, Aug 14, 2:05 PM GMT+12 · 2971 days ago · 7 km deep · 64 km away
14. 1.9258 km WSW of Adak, AlaskaTue, Aug 14, 11:59 AM GMT+12 · 2972 days ago · 66 km deep · 35 km away
15. 4.1278 km WSW of Adak, AlaskaTue, Aug 14, 10:44 AM GMT+12 · 2972 days ago · 47 km deep · 71 km away
16. 1.8200 km WSW of Adak, AlaskaMon, Aug 13, 4:07 AM HADT · 2972 days ago · 26 km deep · 80 km away
17. 2.0Rat Islands, Aleutian Islands, AlaskaMon, Aug 13, 9:09 AM GMT+12 · 2973 days ago · 19 km deep · 91 km away
18. 2.0239 km WSW of Adak, AlaskaSat, Aug 11, 9:47 PM GMT-12 · 2973 days ago · 13 km deep · 75 km away
19. 2.2198 km WSW of Adak, AlaskaSat, Aug 11, 11:19 AM HADT · 2974 days ago · 23 km deep · 61 km away
20. 2.0230 km W of Adak, AlaskaSat, Aug 11, 3:28 AM HADT · 2974 days ago · 85 km deep · 6 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak018airlo2a (also filed as ak20244845). Read Fri, Oct 2, 2026, 1:22 PM UTC.