M2.3 earthquake 184 km WSW of Adak, Alaska

Magnitude

2.3 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Sat, Apr 28, 2018, 11:36 AM HADT

UTC

2018-04-28 20:36:58 UTC

Depth

6.4 km (4.0 mi), shallow

Epicenter

51.227° N, 179.084° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.7 km horizontally, 2.1 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

260°, poorly surrounded by stations

Stations used

7

After

1. 2.8225 km WSW of Adak, AlaskaSun, Apr 29, 12:06 AM HADT · 3078 days ago · 65 km deep · 54 km away
2. 2.4130 km W of Adak, AlaskaSun, Apr 29, 6:34 PM HADT · 3077 days ago · 13 km deep · 70 km away
3. 2.1128 km W of Adak, AlaskaMon, Apr 30, 6:57 AM HADT · 3077 days ago · 16 km deep · 76 km away
4. 1.9128 km W of Adak, AlaskaMon, Apr 30, 7:33 AM HADT · 3077 days ago · 21 km deep · 71 km away
5. 1.9112 km WSW of Adak, AlaskaMon, Apr 30, 9:05 PM HADT · 3076 days ago · 18 km deep · 72 km away
6. 1.688 km WSW of Adak, AlaskaTue, May 1, 9:59 AM HADT · 3076 days ago · 25 km deep · 96 km away
7. 2.0118 km WSW of Adak, AlaskaTue, May 1, 5:45 PM HADT · 3075 days ago · 26 km deep · 67 km away
8. 1.797 km WSW of Adak, AlaskaWed, May 2, 1:26 AM HADT · 3075 days ago · 51 km deep · 89 km away
9. 2.8177 km WSW of Adak, AlaskaThu, May 3, 3:33 AM HADT · 3074 days ago · 22 km deep · 9 km away
10. 4.5208 km W of Adak, AlaskaThu, May 3, 9:51 AM HADT · 3074 days ago · 80 km deep · 81 km away
11. 3.6156 km WSW of Adak, AlaskaSun, May 6, 4:17 AM HADT · 3071 days ago · 35 km deep · 29 km away
12. 2.9139 km WSW of Adak, AlaskaTue, May 8, 7:34 PM HADT · 3068 days ago · 42 km deep · 48 km away
13. 2.7168 km W of Adak, AlaskaFri, May 11, 1:02 PM HADT · 3065 days ago · 7 km deep · 49 km away
14. 3.3153 km WSW of Adak, AlaskaSun, May 13, 6:23 AM HADT · 3064 days ago · 34 km deep · 43 km away
15. 2.5250 km W of Adak, AlaskaTue, May 15, 3:34 PM GMT+12 · 3062 days ago · 73 km deep · 90 km away
16. 1.8241 km WSW of Adak, AlaskaWed, May 16, 11:26 AM GMT+12 · 3061 days ago · 16 km deep · 75 km away
17. 2.6257 km WSW of Adak, AlaskaWed, May 16, 3:29 PM GMT+12 · 3061 days ago · 32 km deep · 84 km away
18. 2.5198 km WSW of Adak, AlaskaTue, May 15, 8:54 PM HADT · 3061 days ago · 63 km deep · 21 km away
19. 1.9238 km WSW of Adak, AlaskaWed, May 16, 3:21 AM GMT-12 · 3061 days ago · 13 km deep · 66 km away
20. 4.0210 km W of Adak, AlaskaWed, May 16, 8:47 AM HADT · 3061 days ago · 118 km deep · 92 km away
21. 2.3252 km WSW of Adak, AlaskaFri, May 18, 8:16 PM GMT+12 · 3059 days ago · 9 km deep · 69 km away
22. 2.3211 km WSW of Adak, AlaskaFri, May 18, 1:01 AM HADT · 3059 days ago · 71 km deep · 49 km away
23. 2.1243 km WSW of Adak, AlaskaWed, May 23, 10:57 PM GMT-12 · 3053 days ago · 22 km deep · 64 km away
24. 2.4238 km WSW of Adak, AlaskaFri, May 25, 1:40 AM GMT-12 · 3052 days ago · 6 km deep · 53 km away
25. 2.1209 km WSW of Adak, AlaskaFri, May 25, 1:01 PM HADT · 3051 days ago · 53 km deep · 46 km away
26. 2.8199 km W of Adak, AlaskaSat, May 26, 3:52 AM HADT · 3051 days ago · 94 km deep · 61 km away
27. 2.8216 km W of Adak, AlaskaMon, May 28, 6:23 AM HADT · 3049 days ago · 80 km deep · 62 km away
28. 2.1127 km W of Adak, AlaskaWed, May 30, 2:22 PM HADT · 3046 days ago · 14 km deep · 66 km away
29. 2.3253 km W of Adak, AlaskaThu, May 31, 5:30 PM GMT+12 · 3046 days ago · 73 km deep · 94 km away
30. 1.9126 km WSW of Adak, AlaskaThu, May 31, 4:27 AM HADT · 3046 days ago · 13 km deep · 65 km away
31. 2.0121 km WSW of Adak, AlaskaThu, May 31, 6:05 AM HADT · 3046 days ago · 18 km deep · 68 km away
32. 3.3223 km W of Adak, AlaskaSat, Jun 2, 3:17 AM HADT · 3044 days ago · 87 km deep · 70 km away
33. 2.0126 km W of Adak, AlaskaSat, Jun 2, 11:56 PM HADT · 3043 days ago · 20 km deep · 71 km away
34. 1.6139 km WSW of Adak, AlaskaSun, Jun 3, 12:06 PM HADT · 3042 days ago · 19 km deep · 56 km away
35. 1.7131 km W of Adak, AlaskaSun, Jun 3, 1:42 PM HADT · 3042 days ago · 3 km deep · 71 km away
36. 2.8122 km WSW of Adak, AlaskaSun, Jun 3, 2:56 PM HADT · 3042 days ago · 26 km deep · 62 km away
37. 2.3128 km W of Adak, AlaskaMon, Jun 4, 12:56 AM HADT · 3042 days ago · 13 km deep · 66 km away
38. 2.2133 km WSW of Adak, AlaskaMon, Jun 4, 7:25 AM HADT · 3042 days ago · 9 km deep · 54 km away
39. 2.2251 km W of Adak, AlaskaTue, Jun 5, 8:47 AM GMT+12 · 3041 days ago · 67 km deep · 88 km away
40. 1.998 km SW of Adak, AlaskaMon, Jun 4, 9:51 PM HADT · 3041 days ago · 15 km deep · 98 km away
41. 2.6241 km W of Adak, AlaskaTue, Jun 5, 11:50 PM GMT+12 · 3041 days ago · 12 km deep · 78 km away
42. 1.9203 km WSW of Adak, AlaskaTue, Jun 5, 5:32 AM HADT · 3041 days ago · 15 km deep · 26 km away
43. 1.9272 km WSW of Adak, AlaskaWed, Jun 6, 2:42 AM GMT+12 · 3041 days ago · 21 km deep · 93 km away
44. 1.7Andreanof Islands, Aleutian Islands, AlaskaTue, Jun 5, 6:45 AM HADT · 3041 days ago · 17 km deep · 74 km away
45. 1.5229 km WSW of Adak, AlaskaTue, Jun 5, 4:57 PM HADT · 3040 days ago · 20 km deep · 55 km away
46. 2.6127 km WSW of Adak, AlaskaWed, Jun 6, 12:30 AM HADT · 3040 days ago · 17 km deep · 59 km away
47. 1.7188 km WSW of Adak, AlaskaWed, Jun 6, 4:54 AM HADT · 3040 days ago · 26 km deep · 15 km away
48. 1.6216 km W of Adak, AlaskaWed, Jun 6, 8:00 AM HADT · 3040 days ago · 13 km deep · 70 km away
49. 1.6128 km W of Adak, AlaskaWed, Jun 6, 9:10 AM HADT · 3040 days ago · 14 km deep · 66 km away
50. 2.0187 km WSW of Adak, AlaskaWed, Jun 6, 11:30 AM HADT · 3039 days ago · 26 km deep · 5 km away
51. 1.6231 km W of Adak, AlaskaWed, Jun 6, 10:22 PM HADT · 3039 days ago · 71 km deep · 74 km away
52. 2.1126 km WSW of Adak, AlaskaWed, Jun 6, 11:07 PM HADT · 3039 days ago · 9 km deep · 64 km away
53. 2.0127 km W of Adak, AlaskaThu, Jun 7, 12:30 AM HADT · 3039 days ago · 12 km deep · 68 km away
54. 2.1101 km SW of Adak, AlaskaThu, Jun 7, 12:54 AM HADT · 3039 days ago · 43 km deep · 91 km away
55. 1.9235 km WSW of Adak, AlaskaThu, Jun 7, 4:28 AM HADT · 3039 days ago · 26 km deep · 53 km away
56. 2.1147 km WSW of Adak, AlaskaFri, Jun 8, 8:07 AM HADT · 3038 days ago · 65 km deep · 47 km away
57. 2.2235 km W of Adak, AlaskaFri, Jun 8, 5:42 PM HADT · 3037 days ago · 94 km deep · 89 km away
58. 2.2103 km SW of Adak, AlaskaSat, Jun 9, 4:25 AM HADT · 3037 days ago · 49 km deep · 87 km away
59. 2.1205 km WSW of Adak, AlaskaSat, Jun 9, 6:17 AM HADT · 3037 days ago · 46 km deep · 30 km away
60. 1.8126 km WSW of Adak, AlaskaSat, Jun 9, 9:17 AM HADT · 3037 days ago · 44 km deep · 62 km away

The first 60 of 116.

Before

1. 4.1232 km WSW of Adak, AlaskaThu, Apr 26, 7:18 AM HADT · 3081 days ago · 10 km deep · 52 km away
2. 2.0142 km W of Adak, AlaskaThu, Apr 26, 5:23 AM HADT · 3081 days ago · 10 km deep · 56 km away
3. 2.1124 km W of Adak, AlaskaWed, Apr 25, 9:38 PM HADT · 3081 days ago · 15 km deep · 71 km away
4. 2.4243 km WSW of Adak, AlaskaThu, Apr 26, 5:51 PM GMT+12 · 3081 days ago · 52 km deep · 69 km away
5. 1.6127 km W of Adak, AlaskaWed, Apr 25, 2:39 PM HADT · 3081 days ago · 15 km deep · 74 km away
6. 2.091 km WSW of Adak, AlaskaWed, Apr 25, 10:34 AM HADT · 3082 days ago · 63 km deep · 93 km away
7. 2.9124 km WSW of Adak, AlaskaWed, Apr 25, 9:49 AM HADT · 3082 days ago · 25 km deep · 63 km away
8. 2.3229 km WSW of Adak, AlaskaSat, Apr 21, 11:44 PM HADT · 3085 days ago · 58 km deep · 64 km away
9. 2.6241 km W of Adak, AlaskaSat, Apr 21, 10:23 PM GMT+12 · 3086 days ago · 7 km deep · 78 km away
10. 3.8142 km WSW of Adak, AlaskaFri, Apr 20, 4:07 PM HADT · 3086 days ago · 25 km deep · 49 km away
11. 4.1157 km SW of Adak, AlaskaWed, Apr 18, 10:04 PM HADT · 3088 days ago · 35 km deep · 57 km away
12. 3.0168 km W of Adak, AlaskaWed, Apr 18, 8:51 PM HADT · 3088 days ago · 71 km deep · 48 km away
13. 3.8234 km WSW of Adak, AlaskaWed, Apr 18, 9:52 AM HADT · 3089 days ago · 6 km deep · 50 km away
14. 3.7234 km WSW of Adak, AlaskaWed, Apr 18, 8:48 AM HADT · 3089 days ago · 8 km deep · 49 km away
15. 2.7239 km WSW of Adak, AlaskaWed, Apr 18, 5:39 AM GMT-12 · 3089 days ago · 11 km deep · 55 km away
16. 2.6238 km WSW of Adak, AlaskaWed, Apr 18, 5:27 AM GMT-12 · 3089 days ago · 10 km deep · 55 km away
17. 4.2265 km WSW of Adak, AlaskaThu, Apr 19, 5:24 AM GMT+12 · 3089 days ago · 10 km deep · 83 km away
18. 2.6248 km WSW of Adak, AlaskaWed, Apr 18, 5:21 AM GMT-12 · 3089 days ago · 12 km deep · 64 km away
19. 4.0253 km WSW of Adak, AlaskaWed, Apr 18, 5:15 AM GMT-12 · 3089 days ago · 10 km deep · 69 km away
20. 4.4272 km WSW of Adak, AlaskaThu, Apr 19, 5:13 AM GMT+12 · 3089 days ago · 10 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event av61703281. Read Fri, Oct 2, 2026, 7:26 AM UTC.