Alaska earthquakes

M1.8 earthquake 51 km W of Happy Valley, Alaska

A magnitude 1.8 earthquake struck 51 km W of Happy Valley, Alaska on Thu, Oct 1, 2026, 12:25 AM AKDT (08:25 UTC), 99 km (61 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M2.6 46 km W of Happy Valley, Alaska. This one was a foreshock.

Happy Valley 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-10-01 08:25:11 UTC
Depth
98.8 km (61.4 mi), intermediate-depth
Epicenter
59.998° N, 152.650° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 4.8 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.40
Depth from
From location
Station coverage gap
70°
Stations used
43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 since this one and at least 200 in the 30 days before it.

After

  1. 1.726 km SW of Anchor Point, Alaska · 28 hr ago · 67 km deep · 53 km away
  2. 1.933 km WSW of Nanwalek, Alaska · 23 hr ago · 66 km deep · 86 km away
  3. 2.646 km W of Happy Valley, Alaska · 22 hr ago · 100 km deep · 6 km away
  4. 2.155 km WNW of Happy Valley, Alaska · 21 hr ago · 112 km deep · 10 km away
  5. 1.965 km ENE of Pedro Bay, Alaska · 18 hr ago · 145 km deep · 27 km away
  6. 1.954 km WNW of Nanwalek, Alaska · 15 hr ago · 83 km deep · 54 km away
  7. 1.762 km WNW of Ninilchik, Alaska · 13 hr ago · 125 km deep · 25 km away
  8. 1.817 km SSW of Nanwalek, Alaska · 10 hr ago · 66 km deep · 95 km away
  9. 1.645 km SE of Pedro Bay, Alaska · 7 hr ago · 127 km deep · 74 km away

Before

  1. 2.027 km WNW of Anchor Point, Alaska · 33 hr ago · 75 km deep · 25 km away
  2. 1.977 km ENE of Port Alsworth, Alaska · 34 hr ago · 132 km deep · 49 km away
  3. 1.560 km W of Anchor Point, Alaska · 36 hr ago · 99 km deep · 31 km away
  4. 3.423 km NW of Nanwalek, Alaska · 38 hr ago · 78 km deep · 59 km away
  5. 3.038 km WNW of Anchor Point, Alaska · 38 hr ago · 94 km deep · 13 km away
  6. 2.249 km ENE of Pedro Bay, Alaska · 40 hr ago · 129 km deep · 36 km away
  7. 1.534 km WSW of Anchor Point, Alaska · 41 hr ago · 76 km deep · 43 km away
  8. 2.155 km WNW of Ninilchik, Alaska · 41 hr ago · 106 km deep · 20 km away
  9. 2.048 km ENE of Pedro Bay, Alaska · 2 days ago · 154 km deep · 36 km away
  10. 2.044 km WNW of Anchor Point, Alaska · 2 days ago · 87 km deep · 12 km away
  11. 1.846 km E of Pedro Bay, Alaska · 2 days ago · 126 km deep · 45 km away
  12. 1.942 km WSW of Nanwalek, Alaska · 2 days ago · 74 km deep · 88 km away
  13. 1.557 km W of Salamatof, Alaska · 3 days ago · 105 km deep · 78 km away
  14. 2.120 km W of Cohoe, Alaska · 3 days ago · 71 km deep · 68 km away · felt by 1
  15. 2.571 km WSW of Nanwalek, Alaska · 3 days ago · 75 km deep · 97 km away
  16. 1.566 km NW of Ninilchik, Alaska · 4 days ago · 96 km deep · 52 km away
  17. 2.225 km N of Fox River, Alaska · 4 days ago · 51 km deep · 95 km away · felt by 1
  18. 2.713 km NNW of Ninilchik, Alaska · 4 days ago · 71 km deep · 54 km away · felt by 1
  19. 3.642 km WSW of Anchor Point, Alaska · 4 days ago · 87 km deep · 36 km away
  20. 1.78 km ENE of Halibut Cove, Alaska · 4 days ago · 46 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026tkwupd. Read Fri, Oct 2, 2026, 5:48 PM UTC.