M1.6 earthquake 57 km SW of Tatitlek, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Feb 21, 2018, 3:24 AM AKST

UTC

2018-02-21 12:24:57 UTC

Depth

11.6 km (7.2 mi), shallow

Epicenter

60.458° N, 147.326° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

45

• Cordova, AlaskaPopulation 2,196. Forecast86 kmW
• Eagle River, AlaskaPopulation 24,793. Forecast155 kmSE
• Anchorage, AlaskaPopulation 289,600. Forecast163 kmESE

After

1. 1.925 km NNE of Chenega, AlaskaWed, Feb 21, 7:03 AM AKST · 3145 days ago · 14 km deep · 33 km away
2. 1.539 km NE of Whittier, AlaskaThu, Feb 22, 12:47 AM AKST · 3144 days ago · 11 km deep · 84 km away
3. 1.636 km ESE of Lowell Point, AlaskaThu, Feb 22, 5:09 AM AKST · 3144 days ago · 6 km deep · 99 km away
4. 1.550 km N of Chenega, AlaskaThu, Feb 22, 8:00 AM AKST · 3144 days ago · 9 km deep · 32 km away
5. 1.648 km WNW of Tatitlek, AlaskaThu, Feb 22, 8:56 AM AKST · 3144 days ago · 4 km deep · 69 km away
6. 1.524 km SSW of Whittier, AlaskaThu, Feb 22, 5:24 PM AKST · 3144 days ago · 16 km deep · 89 km away
7. 1.627 km WSW of Chenega, AlaskaFri, Feb 23, 9:31 PM AKST · 3143 days ago · 16 km deep · 82 km away
8. 1.655 km SW of Tatitlek, AlaskaSun, Feb 25, 5:50 AM AKST · 3141 days ago · 5 km deep · 11 km away
9. 1.644 km NE of Whittier, AlaskaMon, Feb 26, 11:46 AM AKST · 3140 days ago · 5 km deep · 71 km away
10. 2.045 km NNE of Chenega, AlaskaTue, Feb 27, 2:40 PM AKST · 3139 days ago · 4 km deep · 25 km away
11. 2.258 km S of Glacier View, AlaskaWed, Feb 28, 4:45 AM AKST · 3138 days ago · 25 km deep · 96 km away
12. 1.731 km NW of Valdez, AlaskaWed, Feb 28, 11:28 PM AKST · 3138 days ago · 8 km deep · 98 km away
13. 1.728 km NW of Valdez, AlaskaThu, Mar 1, 12:39 PM AKST · 3137 days ago · 9 km deep · 96 km away
14. 1.540 km E of Chenega, AlaskaThu, Mar 1, 7:37 PM AKST · 3137 days ago · 19 km deep · 49 km away
15. 1.646 km NNE of Chenega, AlaskaThu, Mar 1, 8:49 PM AKST · 3137 days ago · 8 km deep · 24 km away
16. 1.521 km S of Chenega, AlaskaFri, Mar 2, 12:43 AM AKST · 3137 days ago · 23 km deep · 74 km away
17. 1.67 km SSE of Tatitlek, AlaskaSat, Mar 3, 9:08 AM AKST · 3135 days ago · 15 km deep · 55 km away
18. 2.045 km WNW of Tatitlek, AlaskaMon, Mar 5, 5:53 PM AKST · 3133 days ago · 2 km deep · 57 km away
19. 1.626 km NW of Valdez, AlaskaTue, Mar 6, 11:57 AM AKST · 3132 days ago · 10 km deep · 97 km away
20. 1.559 km WNW of Tatitlek, AlaskaWed, Mar 7, 8:07 AM AKST · 3131 days ago · 11 km deep · 69 km away
21. 2.032 km NE of Chenega, AlaskaFri, Mar 9, 11:12 AM AKST · 3129 days ago · 26 km deep · 26 km away
22. 1.653 km SW of Tatitlek, AlaskaSat, Mar 10, 4:27 AM AKST · 3128 days ago · 29 km deep · 14 km away
23. 1.642 km NNE of Chenega, AlaskaSun, Mar 11, 8:19 AM AKDT · 3127 days ago · 26 km deep · 23 km away
24. 2.065 km SW of Cordova, AlaskaSun, Mar 11, 9:52 PM AKDT · 3127 days ago · 13 km deep · 57 km away
25. 1.558 km ESE of Whittier, AlaskaTue, Mar 13, 1:16 AM AKDT · 3126 days ago · 44 km deep · 25 km away
26. 1.665 km SW of Cordova, AlaskaTue, Mar 13, 6:08 PM AKDT · 3125 days ago · 12 km deep · 58 km away
27. 1.746 km WSW of Tatitlek, AlaskaWed, Mar 14, 4:14 AM AKDT · 3124 days ago · 7 km deep · 24 km away
28. 1.546 km WSW of Tatitlek, AlaskaWed, Mar 14, 5:01 AM AKDT · 3124 days ago · 39 km deep · 20 km away
29. 1.816 km NNE of Tatitlek, AlaskaWed, Mar 14, 6:55 AM AKDT · 3124 days ago · 13 km deep · 73 km away
30. 1.630 km SSW of Tatitlek, AlaskaWed, Mar 14, 11:14 AM AKDT · 3124 days ago · 24 km deep · 28 km away
31. 1.529 km S of Tatitlek, AlaskaWed, Mar 14, 9:08 PM AKDT · 3124 days ago · 13 km deep · 36 km away
32. 1.634 km WNW of Tatitlek, AlaskaThu, Mar 15, 9:58 PM AKDT · 3123 days ago · 20 km deep · 57 km away
33. 1.921 km NW of Tatitlek, AlaskaFri, Mar 16, 2:13 PM AKDT · 3122 days ago · 20 km deep · 63 km away
34. 2.08 km SW of Valdez, AlaskaFri, Mar 23, 12:01 AM AKDT · 3116 days ago · 12 km deep · 84 km away
35. 1.563 km ENE of Chenega, AlaskaFri, Mar 23, 12:45 AM AKDT · 3116 days ago · 44 km deep · 26 km away
36. 1.510 km W of Tatitlek, AlaskaSat, Mar 24, 1:05 PM AKDT · 3114 days ago · 18 km deep · 52 km away
37. 1.660 km ESE of Knik River, AlaskaSat, Mar 24, 3:33 PM AKDT · 3114 days ago · 27 km deep · 89 km away
38. 1.75 km E of Chenega, AlaskaFri, Mar 30, 7:10 PM AKDT · 3108 days ago · 12 km deep · 55 km away
39. 2.124 km NW of Valdez, AlaskaSat, Mar 31, 9:04 AM AKDT · 3107 days ago · 20 km deep · 96 km away
40. 2.348 km NE of Chenega, AlaskaMon, Apr 2, 9:17 PM AKDT · 3105 days ago · 8 km deep · 9 km away
41. 2.928 km WNW of Chenega, AlaskaFri, Apr 6, 6:17 AM AKDT · 3101 days ago · 27 km deep · 69 km away
42. 1.644 km WSW of Tatitlek, AlaskaFri, Apr 6, 8:23 PM AKDT · 3101 days ago · 8 km deep · 26 km away
43. 1.832 km ESE of Chenega, AlaskaMon, Apr 9, 10:16 PM AKDT · 3098 days ago · 20 km deep · 59 km away
44. 1.538 km WNW of Valdez, AlaskaTue, Apr 10, 6:25 PM AKDT · 3097 days ago · 1 km deep · 86 km away
45. 2.354 km WNW of Valdez, AlaskaWed, Apr 11, 1:11 AM AKDT · 3097 days ago · 11 km deep · 95 km away
46. 4.060 km WSW of Tatitlek, AlaskaWed, Apr 11, 8:44 AM AKDT · 3096 days ago · 7 km deep · 21 km away · felt by 32 · tsunami flag
47. 1.624 km W of Chenega, AlaskaFri, Apr 13, 1:12 AM AKDT · 3095 days ago · 11 km deep · 74 km away
48. 2.524 km SE of Tatitlek, AlaskaFri, Apr 13, 4:14 AM AKDT · 3094 days ago · 15 km deep · 60 km away
49. 2.053 km WNW of Valdez, AlaskaFri, Apr 13, 9:39 AM AKDT · 3094 days ago · 7 km deep · 94 km away
50. 1.935 km NNE of Chenega, AlaskaFri, Apr 13, 1:00 PM AKDT · 3094 days ago · 7 km deep · 26 km away
51. 1.643 km WSW of Tatitlek, AlaskaFri, Apr 13, 3:26 PM AKDT · 3094 days ago · 4 km deep · 27 km away
52. 1.839 km SSE of Whittier, AlaskaSat, Apr 14, 10:28 AM AKDT · 3093 days ago · 3 km deep · 57 km away · felt by 1
53. 1.531 km NW of Tatitlek, AlaskaSat, Apr 21, 5:38 AM AKDT · 3086 days ago · 18 km deep · 65 km away
54. 1.853 km WNW of Tatitlek, AlaskaSat, Apr 21, 3:35 PM AKDT · 3086 days ago · 0 km deep · 60 km away
55. 2.011 km ESE of Tatitlek, AlaskaSat, Apr 21, 9:04 PM AKDT · 3086 days ago · 18 km deep · 61 km away

Before

1. 3.652 km WNW of Tatitlek, AlaskaTue, Feb 20, 9:20 AM AKST · 3146 days ago · 25 km deep · 64 km away · felt by 11
2. 1.851 km W of Tatitlek, AlaskaMon, Feb 19, 1:28 PM AKST · 3147 days ago · 19 km deep · 50 km away
3. 2.247 km W of Tatitlek, AlaskaSat, Feb 17, 11:48 AM AKST · 3149 days ago · 5 km deep · 40 km away
4. 1.547 km NNE of Chenega, AlaskaFri, Feb 16, 4:58 PM AKST · 3150 days ago · 11 km deep · 25 km away
5. 1.951 km WSW of Cordova, AlaskaTue, Feb 13, 11:31 PM AKST · 3153 days ago · 11 km deep · 46 km away
6. 1.632 km SSW of Tatitlek, AlaskaMon, Feb 12, 3:38 PM AKST · 3154 days ago · 63 km deep · 28 km away
7. 1.536 km NNE of Chenega, AlaskaSun, Feb 11, 3:45 PM AKST · 3155 days ago · 17 km deep · 26 km away
8. 2.863 km ESE of Chenega, AlaskaSun, Feb 11, 9:04 AM AKST · 3155 days ago · 8 km deep · 62 km away
9. 1.554 km SW of Tatitlek, AlaskaSat, Feb 10, 8:11 PM AKST · 3156 days ago · 12 km deep · 13 km away
10. 2.055 km NNE of Chenega, AlaskaFri, Feb 9, 9:57 PM AKST · 3157 days ago · 27 km deep · 13 km away
11. 1.652 km SSW of Cordova, AlaskaFri, Feb 9, 11:32 AM AKST · 3157 days ago · 0 km deep · 70 km away
12. 1.530 km NW of Valdez, AlaskaFri, Feb 9, 9:18 AM AKST · 3157 days ago · 23 km deep · 97 km away
13. 1.637 km NE of Whittier, AlaskaThu, Feb 8, 2:20 AM AKST · 3158 days ago · 17 km deep · 74 km away
14. 2.246 km SSW of Tatitlek, AlaskaTue, Feb 6, 4:13 AM AKST · 3160 days ago · 32 km deep · 14 km away
15. 1.648 km W of Tatitlek, AlaskaMon, Feb 5, 5:04 PM AKST · 3161 days ago · 20 km deep · 54 km away
16. 3.221 km ESE of Primrose, AlaskaMon, Feb 5, 2:38 PM AKST · 3161 days ago · 21 km deep · 96 km away · felt by 17
17. 1.931 km NW of Valdez, AlaskaSat, Feb 3, 9:53 AM AKST · 3163 days ago · 14 km deep · 98 km away
18. 1.635 km NNE of Chenega, AlaskaSat, Feb 3, 7:15 AM AKST · 3163 days ago · 39 km deep · 24 km away
19. 1.533 km NE of Chenega, AlaskaSat, Feb 3, 6:10 AM AKST · 3163 days ago · 48 km deep · 25 km away
20. 2.636 km WNW of Valdez, AlaskaFri, Feb 2, 6:28 PM AKST · 3164 days ago · 30 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak0182e78ij9 (also filed as ak18477506). Read Fri, Oct 2, 2026, 9:15 PM UTC.