M1.7 earthquake 55 km WNW of Cantwell, Alaska

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Alaska Earthquake Center

Local time

Wed, Oct 21, 2020, 8:28 AM AKDT

UTC

2020-10-21 16:28:09 UTC

Depth

116.8 km (72.6 mi), intermediate-depth

Epicenter

63.547° N, 150.013° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

42

• Healy, AlaskaPopulation 1,021. Forecast62 kmWSW
• College, AlaskaPopulation 12,964. Forecast181 kmSW
• Anchorage, AlaskaPopulation 289,600. Forecast259 kmN

After

1. 1.671 km SE of Denali National Park, AlaskaWed, Oct 21, 10:19 PM AKDT · 2174 days ago · 112 km deep · 52 km away
2. 1.517 km E of McKinley Park, AlaskaThu, Oct 22, 12:40 AM AKDT · 2174 days ago · 89 km deep · 75 km away
3. 1.736 km SSE of Denali National Park, AlaskaThu, Oct 22, 3:08 AM AKDT · 2173 days ago · 4 km deep · 78 km away
4. 1.548 km N of Petersville, AlaskaThu, Oct 22, 10:58 AM AKDT · 2173 days ago · 106 km deep · 80 km away
5. 1.668 km SE of Denali National Park, AlaskaThu, Oct 22, 11:55 AM AKDT · 2173 days ago · 118 km deep · 50 km away
6. 3.650 km N of Chase, AlaskaThu, Oct 22, 12:25 PM AKDT · 2173 days ago · 80 km deep · 72 km away · felt by 1
7. 1.618 km E of Healy, AlaskaThu, Oct 22, 1:44 PM AKDT · 2173 days ago · 100 km deep · 77 km away
8. 1.767 km ESE of Denali National Park, AlaskaThu, Oct 22, 10:45 PM AKDT · 2173 days ago · 117 km deep · 41 km away
9. 1.966 km SE of Denali National Park, AlaskaFri, Oct 23, 3:40 AM AKDT · 2172 days ago · 116 km deep · 57 km away
10. 1.976 km ESE of Denali National Park, AlaskaFri, Oct 23, 12:31 PM AKDT · 2172 days ago · 116 km deep · 44 km away
11. 1.518 km E of Denali National Park, AlaskaFri, Oct 23, 2:00 PM AKDT · 2172 days ago · 12 km deep · 66 km away
12. 1.650 km NNW of Petersville, AlaskaFri, Oct 23, 10:29 PM AKDT · 2172 days ago · 108 km deep · 91 km away
13. 1.840 km WSW of Cantwell, AlaskaSat, Oct 24, 12:48 AM AKDT · 2172 days ago · 95 km deep · 35 km away
14. 1.6Central AlaskaSat, Oct 24, 11:12 AM AKDT · 2171 days ago · 3 km deep · 64 km away
15. 1.824 km S of Denali National Park, AlaskaSat, Oct 24, 6:00 PM AKDT · 2171 days ago · 6 km deep · 89 km away
16. 1.775 km ESE of Denali National Park, AlaskaSat, Oct 24, 9:02 PM AKDT · 2171 days ago · 117 km deep · 46 km away
17. 1.855 km S of Denali National Park, AlaskaSat, Oct 24, 11:19 PM AKDT · 2171 days ago · 7 km deep · 94 km away
18. 1.775 km SE of Denali National Park, AlaskaSun, Oct 25, 5:55 PM AKDT · 2170 days ago · 107 km deep · 48 km away
19. 1.866 km N of Petersville, AlaskaMon, Oct 26, 12:47 AM AKDT · 2170 days ago · 110 km deep · 60 km away
20. 1.962 km N of Petersville, AlaskaMon, Oct 26, 12:47 AM AKDT · 2170 days ago · 95 km deep · 63 km away
21. 2.169 km ESE of Denali National Park, AlaskaMon, Oct 26, 1:14 AM AKDT · 2170 days ago · 122 km deep · 42 km away
22. 1.563 km SE of Denali National Park, AlaskaMon, Oct 26, 5:37 AM AKDT · 2169 days ago · 121 km deep · 68 km away
23. 1.559 km W of Cantwell, AlaskaMon, Oct 26, 8:06 AM AKDT · 2169 days ago · 9 km deep · 22 km away
24. 1.564 km SE of Denali National Park, AlaskaMon, Oct 26, 6:12 PM AKDT · 2169 days ago · 120 km deep · 67 km away
25. 1.568 km ESE of Denali National Park, AlaskaMon, Oct 26, 6:18 PM AKDT · 2169 days ago · 138 km deep · 28 km away
26. 1.573 km N of Petersville, AlaskaTue, Oct 27, 6:28 AM AKDT · 2168 days ago · 105 km deep · 51 km away
27. 1.640 km SSE of Denali National Park, AlaskaWed, Oct 28, 6:49 AM AKDT · 2167 days ago · 15 km deep · 76 km away
28. 1.860 km S of Cantwell, AlaskaWed, Oct 28, 7:38 AM AKDT · 2167 days ago · 14 km deep · 94 km away
29. 1.541 km E of Denali National Park, AlaskaWed, Oct 28, 11:34 AM AKDT · 2167 days ago · 12 km deep · 44 km away
30. 1.631 km SE of Cantwell, AlaskaThu, Oct 29, 5:26 AM AKDT · 2166 days ago · 70 km deep · 85 km away
31. 1.743 km S of Denali National Park, AlaskaThu, Oct 29, 8:26 PM AKDT · 2166 days ago · 161 km deep · 93 km away
32. 2.055 km NNW of Petersville, AlaskaFri, Oct 30, 1:39 PM AKDT · 2165 days ago · 119 km deep · 93 km away
33. 1.844 km S of Cantwell, AlaskaFri, Oct 30, 2:28 PM AKDT · 2165 days ago · 9 km deep · 86 km away
34. 1.653 km ENE of Cantwell, AKFri, Oct 30, 4:32 PM AKDT · 2165 days ago · 91 km deep · 42 km away
35. 2.262 km E of Cantwell, AKFri, Oct 30, 10:01 PM AKDT · 2165 days ago · 125 km deep · 11 km away
36. 1.669 km WNW of Denali National Park, AKSat, Oct 31, 1:05 AM AKDT · 2165 days ago · 5 km deep · 24 km away
37. 1.546 km SSW of Petersville, AKSat, Oct 31, 5:19 AM AKDT · 2164 days ago · 92 km deep · 79 km away
38. 1.555 km SSW of Petersville, AKSat, Oct 31, 7:25 AM AKDT · 2164 days ago · 97 km deep · 68 km away
39. 1.718 km E of Denali National Park, AlaskaSat, Oct 31, 4:30 PM AKDT · 2164 days ago · 7 km deep · 67 km away
40. 2.143 km SE of Denali National Park, AlaskaSun, Nov 1, 12:11 PM AKST · 2163 days ago · 7 km deep · 57 km away
41. 1.671.1 km S of Petersville, AKSun, Nov 1, 8:12 PM AKST · 2163 days ago · 117 km deep · 54 km away
42. 1.649 km SSW of Chase, AKMon, Nov 2, 1:45 AM AKST · 2162 days ago · 76 km deep · 81 km away
43. 2.534 km NE of Chase, AKMon, Nov 2, 4:48 AM AKST · 2162 days ago · 6 km deep · 100 km away
44. 1.872 km SSW of Petersville, AKMon, Nov 2, 7:03 AM AKST · 2162 days ago · 111 km deep · 52 km away
45. 1.661 km NW of Denali National Park, AKMon, Nov 2, 2:42 PM AKST · 2162 days ago · 125 km deep · 65 km away
46. 1.971 km ESE of Denali National Park, AlaskaMon, Nov 2, 3:24 PM AKST · 2162 days ago · 120 km deep · 37 km away
47. 1.755 km S of Cantwell, AlaskaMon, Nov 2, 4:19 PM AKST · 2162 days ago · 68 km deep · 93 km away
48. 1.544 km NNW of Petersville, AlaskaMon, Nov 2, 11:47 PM AKST · 2162 days ago · 110 km deep · 94 km away
49. 2.157 km NE of Chase, AlaskaTue, Nov 3, 1:59 AM AKST · 2161 days ago · 60 km deep · 94 km away
50. 1.864 km SE of Denali National Park, AlaskaTue, Nov 3, 2:41 AM AKST · 2161 days ago · 122 km deep · 66 km away
51. 1.550 km NNW of Petersville, AlaskaTue, Nov 3, 3:34 AM AKST · 2161 days ago · 106 km deep · 85 km away
52. 1.862 km WNW of Denali National Park, AKTue, Nov 3, 8:39 PM AKST · 2161 days ago · 132 km deep · 40 km away
53. 1.546.7 km S of Petersville, AKWed, Nov 4, 8:30 AM AKST · 2160 days ago · 98 km deep · 83 km away
54. 2.610 km N of Healy, AKWed, Nov 4, 9:06 AM AKST · 2160 days ago · 129 km deep · 69 km away
55. 1.727 km SE of Cantwell, AKWed, Nov 4, 9:12 AM AKST · 2160 days ago · 1 km deep · 31 km away
56. 1.560 km SE of Denali National Park, AlaskaWed, Nov 4, 6:38 PM AKST · 2160 days ago · 126 km deep · 62 km away
57. 1.753 km NNW of Petersville, AlaskaWed, Nov 4, 8:47 PM AKST · 2160 days ago · 106 km deep · 96 km away
58. 2.245 km SSE of Denali National Park, AlaskaThu, Nov 5, 12:45 AM AKST · 2159 days ago · 12 km deep · 80 km away
59. 3.245 km S of Cantwell, AlaskaThu, Nov 5, 4:17 AM AKST · 2159 days ago · 12 km deep · 86 km away
60. 1.959 km NNE of Chase, AlaskaThu, Nov 5, 10:48 AM AKST · 2159 days ago · 75 km deep · 68 km away

The first 60 of 183.

Before

1. 1.543 km SSE of Denali National Park, AlaskaWed, Oct 21, 2:15 AM AKDT · 2174 days ago · 2 km deep · 73 km away
2. 1.752 km SSE of Denali National Park, AlaskaTue, Oct 20, 6:10 PM AKDT · 2175 days ago · 6 km deep · 89 km away
3. 2.437 km S of Cantwell, AlaskaTue, Oct 20, 12:39 AM AKDT · 2176 days ago · 13 km deep · 79 km away
4. 2.434 km SSE of Denali National Park, AlaskaMon, Oct 19, 7:42 AM AKDT · 2176 days ago · 6 km deep · 78 km away
5. 1.656 km WNW of Cantwell, AlaskaSun, Oct 18, 1:16 PM AKDT · 2177 days ago · 142 km deep · 1 km away
6. 1.933 km SSE of Denali National Park, AlaskaSun, Oct 18, 7:56 AM AKDT · 2177 days ago · 6 km deep · 80 km away
7. 1.651 km S of Denali National Park, AlaskaSat, Oct 17, 9:22 PM AKDT · 2178 days ago · 5 km deep · 94 km away
8. 2.031 km ESE of Cantwell, AlaskaSat, Oct 17, 12:48 PM AKDT · 2178 days ago · 70 km deep · 87 km away
9. 1.758 km SE of Denali National Park, AlaskaFri, Oct 16, 2:11 PM AKDT · 2179 days ago · 132 km deep · 60 km away
10. 1.710 km NNE of Cantwell, AlaskaThu, Oct 15, 9:20 PM AKDT · 2180 days ago · 6 km deep · 58 km away
11. 2.243 km W of Cantwell, AlaskaThu, Oct 15, 3:06 PM AKDT · 2180 days ago · 101 km deep · 24 km away
12. 1.935 km WNW of Cantwell, AlaskaThu, Oct 15, 12:49 AM AKDT · 2181 days ago · 105 km deep · 21 km away
13. 2.163 km SW of Cantwell, AlaskaTue, Oct 13, 10:37 AM AKDT · 2182 days ago · 78 km deep · 59 km away
14. 1.955 km NNW of Petersville, AlaskaTue, Oct 13, 9:51 AM AKDT · 2182 days ago · 106 km deep · 95 km away
15. 1.562 km SE of Denali National Park, AlaskaTue, Oct 13, 8:20 AM AKDT · 2182 days ago · 123 km deep · 64 km away
16. 1.766 km ESE of Denali National Park, AlaskaTue, Oct 13, 7:34 AM AKDT · 2182 days ago · 131 km deep · 30 km away
17. 2.847 km NNE of Chase, AlaskaTue, Oct 13, 4:38 AM AKDT · 2182 days ago · 76 km deep · 82 km away
18. 2.458 km SE of Denali National Park, AlaskaMon, Oct 12, 7:23 PM AKDT · 2183 days ago · 125 km deep · 60 km away
19. 2.460 km N of Petersville, AlaskaMon, Oct 12, 6:23 PM AKDT · 2183 days ago · 115 km deep · 65 km away
20. 1.536 km NNW of Petersville, AlaskaMon, Oct 12, 1:29 PM AKDT · 2183 days ago · 94 km deep · 93 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak020dk58c9a. Read Sun, Oct 4, 2026, 8:45 PM UTC.