Alaska earthquakes

M1.7 earthquake 20 km W of Cold Bay, Alaska

A magnitude 1.7 earthquake struck 20 km W of Cold Bay, Alaska on Tue, Jul 21, 2020, 7:43 PM AKDT (03:43 UTC), 138 km (86 mi) below the surface.

A larger quake followed: M3.9 69 km S of King Cove, Alaska. This one was a foreshock.

King Cove forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (ml), micro
Local time
UTC
2020-07-22 03:43:07 UTC
Depth
137.8 km (85.6 mi), intermediate-depth
Epicenter
55.206° N, 163.048° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
11

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.817 km SSW of Cold Bay, Alaska · 2257 days ago · 16 km deep · 25 km away
  2. 2.143 km NNE of King Cove, Alaska · 2257 days ago · 160 km deep · 70 km away
  3. 1.759 km WSW of Nelson Lagoon, Alaska · 2257 days ago · 3 km deep · 88 km away
  4. 1.737 km SE of False Pass, Alaska · 2254 days ago · 70 km deep · 68 km away
  5. 1.535 km SE of False Pass, Alaska · 2254 days ago · 22 km deep · 63 km away
  6. 3.446 km S of False Pass, Alaska · 2251 days ago · 85 km deep · 88 km away
  7. 1.924 km S of False Pass, Alaska · 2251 days ago · 12 km deep · 66 km away
  8. 1.925 km SSE of False Pass, Alaska · 2248 days ago · 9 km deep · 66 km away
  9. 1.518 km NW of False Pass, Alaska · 2248 days ago · 39 km deep · 43 km away
  10. 2.036 km NW of Cold Bay, Alaska · 2248 days ago · 174 km deep · 27 km away
  11. 2.127 km S of False Pass, Alaska · 2248 days ago · 105 km deep · 69 km away
  12. 1.821 km SSW of False Pass, Alaska · 2246 days ago · 112 km deep · 67 km away
  13. 1.554 km ENE of King Cove, Alaska · 2239 days ago · 83 km deep · 97 km away
  14. 2.364 km WNW of False Pass, Alaska · 2237 days ago · 190 km deep · 87 km away
  15. 1.731 km SSE of False Pass, Alaska · 2236 days ago · 86 km deep · 68 km away
  16. 1.833 km SE of King Cove, Alaska · 2235 days ago · 8 km deep · 81 km away
  17. 1.822 km WSW of Cold Bay, Alaska · 2235 days ago · 5 km deep · 13 km away
  18. 1.926 km N of King Cove, Alaska · 2231 days ago · 145 km deep · 52 km away
  19. 1.662 km S of King Cove, Alaska · 2231 days ago · 60 km deep · 93 km away
  20. 1.822 km SSW of False Pass, Alaska · 2230 days ago · 13 km deep · 68 km away
  21. 1.846 km S of False Pass, Alaska · 2230 days ago · 13 km deep · 87 km away
  22. 1.720 km S of Cold Bay, Alaska · 2228 days ago · 106 km deep · 32 km away
  23. 1.752 km SSE of False Pass, Alaska · 2227 days ago · 21 km deep · 89 km away
  24. 2.319 km SSW of False Pass, Alaska · 2225 days ago · 145 km deep · 65 km away
  25. 1.925 km S of False Pass, Alaska · 2224 days ago · 9 km deep · 66 km away
  26. 2.654 km SW of Nelson Lagoon, Alaska · 2222 days ago · 198 km deep · 91 km away
  27. 1.654 km SE of King Cove, Alaska · 2222 days ago · 40 km deep · 98 km away
  28. 2.340 km S of False Pass, Alaska · 2220 days ago · 74 km deep · 83 km away
  29. 1.557 km NE of King Cove, Alaska · 2216 days ago · 10 km deep · 90 km away
  30. 2.325 km S of False Pass, Alaska · 2213 days ago · 4 km deep · 67 km away
  31. 2.651 km S of King Cove, Alaska · 2211 days ago · 54 km deep · 87 km away
  32. 1.837 km SSE of False Pass, Alaska · 2210 days ago · 7 km deep · 76 km away
  33. 3.969 km S of King Cove, Alaska · 2210 days ago · 81 km deep · 95 km away
  34. 1.643 km S of King Cove, Alaska · 2209 days ago · 56 km deep · 78 km away
  35. 1.6Alaska Peninsula · 2207 days ago · 58 km deep · 70 km away
  36. 1.925 km N of King Cove, Alaska · 2207 days ago · 126 km deep · 52 km away
  37. 2.114 km E of False Pass, Alaska · 2206 days ago · 128 km deep · 40 km away
  38. 2.337 km ENE of King Cove, Alaska · 2201 days ago · 82 km deep · 83 km away
  39. 3.321 km ENE of Cold Bay, Alaska · 2200 days ago · 152 km deep · 41 km away

Before

  1. 1.552 km S of False Pass, Alaska · 2260 days ago · 65 km deep · 93 km away
  2. 1.958 km S of King Cove, Alaska · 2261 days ago · 29 km deep · 91 km away
  3. 1.676 km SE of False Pass, Alaska · 2264 days ago · 19 km deep · 100 km away
  4. 1.555 km SSW of Nelson Lagoon, Alaska · 2265 days ago · 16 km deep · 100 km away
  5. 1.749 km NNE of King Cove, Alaska · 2265 days ago · 7 km deep · 69 km away
  6. 1.59 km E of Cold Bay, Alaska · 2266 days ago · 92 km deep · 30 km away
  7. 2.140 km ESE of King Cove, Alaska · 2268 days ago · 87 km deep · 89 km away
  8. 1.652 km SSW of King Cove, Alaska · 2269 days ago · 16 km deep · 76 km away
  9. 1.945 km ENE of King Cove, Alaska · 2271 days ago · 82 km deep · 89 km away
  10. 1.721 km SSW of False Pass, Alaska · 2272 days ago · 10 km deep · 67 km away
  11. 2.020 km ENE of Cold Bay, Alaska · 2273 days ago · 155 km deep · 40 km away
  12. 1.759 km S of King Cove, Alaska · 2274 days ago · 22 km deep · 87 km away
  13. 1.963 km S of King Cove, Alaska · 2275 days ago · 62 km deep · 93 km away
  14. 1.931 km SSW of King Cove, Alaska · 2275 days ago · 13 km deep · 56 km away
  15. 1.934 km SW of King Cove, Alaska · 2279 days ago · 13 km deep · 44 km away
  16. 2.046 km S of King Cove, Alaska · 2281 days ago · 75 km deep · 81 km away
  17. 2.840 km SSW of King Cove, Alaska · 2281 days ago · 5 km deep · 66 km away
  18. 1.951 km S of King Cove, Alaska · 2286 days ago · 50 km deep · 80 km away
  19. 2.220 km W of Cold Bay, Alaska · 2287 days ago · 187 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0209dfobyh. Read Sun, Sep 27, 2026, 11:53 PM UTC.