M1.7 earthquake 59 km NNW of Karluk, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Tue, Feb 20, 2018, 7:43 PM AKST

UTC

2018-02-21 04:43:33 UTC

Depth

75.2 km (46.7 mi), intermediate-depth

Epicenter

58.094° N, 154.662° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

29

• Womens Bay, AlaskaPopulation 719. Forecast126 kmWNW
• Anchorage, AlaskaPopulation 289,600. Forecast438 kmSW

After

1. 2.267 km NNE of Karluk, AlaskaWed, Feb 21, 10:27 AM AKST · 3145 days ago · 76 km deep · 28 km away
2. 1.675 km NNW of Aleneva, AlaskaWed, Feb 21, 9:01 PM AKST · 3145 days ago · 75 km deep · 86 km away
3. 1.967 km NW of Aleneva, AlaskaThu, Feb 22, 3:48 PM AKST · 3144 days ago · 70 km deep · 73 km away
4. 3.689 km NW of Karluk, AlaskaThu, Feb 22, 10:21 PM AKST · 3144 days ago · 120 km deep · 46 km away
5. 1.887 km NW of Karluk, AlaskaFri, Feb 23, 12:17 PM AKST · 3143 days ago · 6 km deep · 43 km away
6. 2.066 km SSE of Kokhanok, AlaskaSat, Feb 24, 2:05 AM AKST · 3142 days ago · 118 km deep · 86 km away
7. 2.353 km NW of Karluk, AlaskaSat, Feb 24, 10:34 AM AKST · 3142 days ago · 79 km deep · 30 km away
8. 2.530 km SW of Karluk, AlaskaSun, Feb 25, 12:24 PM AKST · 3141 days ago · 69 km deep · 80 km away
9. 2.073 km ESE of King Salmon, AlaskaSun, Feb 25, 10:56 PM AKST · 3141 days ago · 142 km deep · 66 km away
10. 1.792 km NNW of Aleneva, AlaskaSun, Feb 25, 11:43 PM AKST · 3141 days ago · 94 km deep · 98 km away
11. 1.961 km NNW of Aleneva, AlaskaMon, Feb 26, 11:00 AM AKST · 3140 days ago · 69 km deep · 88 km away
12. 2.277 km ESE of Egegik, AlaskaMon, Feb 26, 11:18 AM AKST · 3140 days ago · 129 km deep · 91 km away
13. 2.168 km NW of Karluk, AlaskaWed, Feb 28, 9:02 PM AKST · 3138 days ago · 86 km deep · 26 km away
14. 2.463 km NNW of Karluk, AlaskaWed, Feb 28, 11:41 PM AKST · 3138 days ago · 107 km deep · 21 km away
15. 1.862 km NW of Aleneva, AlaskaThu, Mar 1, 8:59 AM AKST · 3137 days ago · 71 km deep · 69 km away
16. 1.529 km S of Karluk, AlaskaThu, Mar 1, 8:55 PM AKST · 3137 days ago · 15 km deep · 87 km away
17. 1.871 km NNW of Karluk, AlaskaThu, Mar 1, 11:48 PM AKST · 3137 days ago · 96 km deep · 16 km away
18. 1.583 km W of Karluk, AlaskaFri, Mar 2, 3:51 AM AKST · 3136 days ago · 85 km deep · 82 km away
19. 1.862 km SSE of Kokhanok, AlaskaFri, Mar 2, 7:47 PM AKST · 3136 days ago · 112 km deep · 98 km away
20. 1.831 km N of Karluk, AlaskaSat, Mar 3, 8:04 AM AKST · 3135 days ago · 51 km deep · 30 km away
21. 2.686 km NW of Karluk, AlaskaSat, Mar 3, 2:27 PM AKST · 3135 days ago · 123 km deep · 43 km away
22. 1.619 km WSW of Karluk, AlaskaSat, Mar 3, 5:49 PM AKST · 3135 days ago · 32 km deep · 68 km away
23. 1.681 km WNW of Aleneva, AlaskaSun, Mar 4, 10:23 AM AKST · 3134 days ago · 72 km deep · 51 km away
24. 1.591 km WNW of Aleneva, AlaskaSun, Mar 4, 3:59 PM AKST · 3134 days ago · 80 km deep · 53 km away
25. 1.670 km N of Karluk, AlaskaMon, Mar 5, 4:22 AM AKST · 3133 days ago · 85 km deep · 21 km away
26. 1.819 km S of Larsen Bay, AlaskaTue, Mar 6, 6:15 PM AKST · 3132 days ago · 56 km deep · 90 km away
27. 1.898 km NW of Aleneva, AlaskaWed, Mar 7, 4:17 PM AKST · 3131 days ago · 90 km deep · 60 km away
28. 1.664 km NNW of Aleneva, AlaskaWed, Mar 7, 4:35 PM AKST · 3131 days ago · 60 km deep · 87 km away
29. 1.692 km NNW of Aleneva, AlaskaWed, Mar 7, 8:58 PM AKST · 3131 days ago · 6 km deep · 95 km away
30. 1.685 km NNW of Aleneva, AlaskaWed, Mar 7, 9:51 PM AKST · 3131 days ago · 78 km deep · 88 km away
31. 2.020 km SSE of Karluk, AlaskaThu, Mar 8, 8:00 AM AKST · 3130 days ago · 45 km deep · 80 km away
32. 1.981 km NNW of Aleneva, AlaskaFri, Mar 9, 2:10 AM AKST · 3129 days ago · 11 km deep · 89 km away
33. 2.691 km NNW of Karluk, AlaskaFri, Mar 9, 5:47 AM AKST · 3129 days ago · 3 km deep · 37 km away
34. 1.6Kodiak Island region, AlaskaFri, Mar 9, 11:03 PM AKST · 3129 days ago · 12 km deep · 90 km away
35. 3.084 km SSE of Igiugig, AlaskaSat, Mar 10, 12:25 AM AKST · 3129 days ago · 138 km deep · 71 km away
36. 1.680 km NNW of Karluk, AlaskaSat, Mar 10, 1:59 AM AKST · 3128 days ago · 17 km deep · 25 km away
37. 2.133 km NNW of Aleneva, AlaskaSat, Mar 10, 10:17 AM AKST · 3128 days ago · 53 km deep · 96 km away
38. 1.594 km N of Karluk, AlaskaSat, Mar 10, 6:24 PM AKST · 3128 days ago · 101 km deep · 35 km away
39. 1.740 km N of Larsen Bay, AlaskaSun, Mar 11, 5:06 PM AKDT · 3127 days ago · 49 km deep · 40 km away
40. 2.283 km N of Karluk, AlaskaSun, Mar 11, 6:40 PM AKDT · 3127 days ago · 73 km deep · 34 km away
41. 1.882 km NNW of Aleneva, AlaskaSun, Mar 11, 7:00 PM AKDT · 3127 days ago · 3 km deep · 95 km away
42. 1.851 km W of Karluk, AlaskaMon, Mar 12, 3:50 PM AKDT · 3126 days ago · 64 km deep · 77 km away
43. 1.886 km NNW of Aleneva, AlaskaMon, Mar 12, 3:54 PM AKDT · 3126 days ago · 6 km deep · 90 km away · felt by 1
44. 1.687 km NNW of Aleneva, AlaskaMon, Mar 12, 9:08 PM AKDT · 3126 days ago · 15 km deep · 96 km away
45. 1.529 km NNE of Larsen Bay, AlaskaTue, Mar 13, 1:41 AM AKDT · 3125 days ago · 52 km deep · 66 km away
46. 1.827 km NNW of Karluk, AlaskaWed, Mar 14, 1:53 AM AKDT · 3124 days ago · 69 km deep · 35 km away
47. 1.683 km SE of Kokhanok, AlaskaWed, Mar 14, 5:13 AM AKDT · 3124 days ago · 91 km deep · 96 km away
48. 1.966 km NW of Aleneva, AlaskaWed, Mar 14, 9:04 PM AKDT · 3124 days ago · 5 km deep · 71 km away
49. 1.579 km NW of Aleneva, AlaskaThu, Mar 15, 2:04 AM AKDT · 3123 days ago · 82 km deep · 57 km away
50. 1.858 km WNW of Karluk, AlaskaThu, Mar 15, 10:39 AM AKDT · 3123 days ago · 70 km deep · 47 km away
51. 1.784 km WNW of Karluk, AlaskaThu, Mar 15, 10:11 PM AKDT · 3123 days ago · 12 km deep · 77 km away
52. 1.992 km NNW of Karluk, AlaskaFri, Mar 16, 11:14 AM AKDT · 3122 days ago · 99 km deep · 33 km away
53. 1.533 km W of Karluk, AlaskaFri, Mar 16, 2:16 PM AKDT · 3122 days ago · 7 km deep · 65 km away
54. 1.763 km S of Kokhanok, AlaskaFri, Mar 16, 6:50 PM AKDT · 3122 days ago · 125 km deep · 87 km away
55. 3.541 km W of Karluk, AlaskaSat, Mar 17, 2:02 PM AKDT · 3121 days ago · 69 km deep · 70 km away
56. 2.168 km S of Kokhanok, AlaskaSat, Mar 17, 9:14 PM AKDT · 3121 days ago · 129 km deep · 83 km away
57. 1.981 km NNW of Aleneva, AlaskaMon, Mar 19, 3:12 PM AKDT · 3119 days ago · 3 km deep · 94 km away
58. 1.582 km NNW of Aleneva, AlaskaTue, Mar 20, 10:47 PM AKDT · 3118 days ago · 7 km deep · 92 km away
59. 1.691 km NNW of Aleneva, AlaskaWed, Mar 21, 10:37 AM AKDT · 3117 days ago · 1 km deep · 92 km away
60. 1.979 km SSE of Kokhanok, AlaskaThu, Mar 22, 4:11 AM AKDT · 3116 days ago · 96 km deep · 76 km away

The first 60 of 155.

Before

1. 1.794 km N of Karluk, AlaskaMon, Feb 19, 2:21 PM AKST · 3147 days ago · 106 km deep · 35 km away
2. 1.750 km W of Karluk, AlaskaSat, Feb 17, 8:49 PM AKST · 3149 days ago · 67 km deep · 68 km away
3. 1.886 km WNW of Aleneva, AlaskaSat, Feb 17, 12:08 AM AKST · 3150 days ago · 93 km deep · 46 km away
4. 1.848 km NNW of Karluk, AlaskaFri, Feb 16, 12:29 PM AKST · 3150 days ago · 85 km deep · 16 km away
5. 2.286 km NNW of Karluk, AlaskaFri, Feb 16, 12:24 PM AKST · 3150 days ago · 2 km deep · 32 km away
6. 1.978 km SSE of Kokhanok, AlaskaThu, Feb 15, 6:14 PM AKST · 3151 days ago · 109 km deep · 76 km away
7. 1.6Kodiak Island region, AlaskaWed, Feb 14, 10:58 PM AKST · 3152 days ago · 72 km deep · 58 km away
8. 2.080 km E of King Salmon, AlaskaWed, Feb 14, 5:49 PM AKST · 3152 days ago · 143 km deep · 68 km away
9. 1.762 km NW of Aleneva, AlaskaWed, Feb 14, 9:00 AM AKST · 3152 days ago · 67 km deep · 73 km away
10. 2.059 km WNW of Aleneva, AlaskaWed, Feb 14, 6:16 AM AKST · 3152 days ago · 66 km deep · 59 km away
11. 1.548 km NNW of Karluk, AlaskaWed, Feb 14, 5:03 AM AKST · 3152 days ago · 64 km deep · 16 km away
12. 1.659 km N of Karluk, AlaskaWed, Feb 14, 1:48 AM AKST · 3152 days ago · 71 km deep · 21 km away
13. 1.636 km NE of Larsen Bay, AlaskaTue, Feb 13, 10:52 AM AKST · 3153 days ago · 44 km deep · 78 km away
14. 2.442 km WSW of Aleneva, AlaskaTue, Feb 13, 6:29 AM AKST · 3153 days ago · 51 km deep · 65 km away
15. 1.633 km W of Port Lions, AlaskaMon, Feb 12, 10:21 PM AKST · 3154 days ago · 49 km deep · 75 km away
16. 2.131 km WSW of Karluk, AlaskaMon, Feb 12, 2:58 AM AKST · 3154 days ago · 56 km deep · 76 km away
17. 1.961 km NW of Aleneva, AlaskaSun, Feb 11, 4:18 AM AKST · 3155 days ago · 67 km deep · 70 km away
18. 1.976 km WNW of Aleneva, AlaskaSat, Feb 10, 8:40 PM AKST · 3156 days ago · 81 km deep · 49 km away
19. 2.287 km S of Kokhanok, AlaskaSat, Feb 10, 10:49 AM AKST · 3156 days ago · 112 km deep · 63 km away
20. 2.666 km W of Karluk, AlaskaSat, Feb 10, 5:54 AM AKST · 3156 days ago · 83 km deep · 75 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0182e2l2h4 (also filed as ak18576278). Read Fri, Oct 2, 2026, 9:07 PM UTC.