Alaska earthquakes

M1.8 earthquake 19 km SW of Susitna, Alaska

A magnitude 1.8 earthquake struck 19 km SW of Susitna, Alaska on Sat, Sep 19, 2026, 7:08 PM AKDT (03:08 UTC), 66 km (41 mi) below the surface.

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

A larger quake followed: M2.3 22 km E of Beluga, Alaska. This one was a foreshock.

Point MacKenzie 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), micro
Local time
UTC
2026-09-20 03:08:05 UTC
Depth
65.9 km (40.9 mi), shallow
Epicenter
61.422° N, 150.764° 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 4.9 km horizontally, 4.8 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
100°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 since this one and 193 in the 30 days before it.

After

  1. 2.322 km E of Beluga, Alaska · 2 days ago · 57 km deep · 27 km away · felt by 1
  2. 2.46 km NNW of Houston, Alaska · 44 hr ago · 18 km deep · 56 km away · felt by 1
  3. 2.163 km WNW of Nikiski, Alaska · 43 hr ago · 120 km deep · 100 km away · felt by 1
  4. 2.63 km WNW of Big Lake, Alaska · 24 hr ago · 27 km deep · 42 km away · felt by 1
  5. 1.733 km WNW of Beluga, Alaska · 20 hr ago · 79 km deep · 55 km away
  6. 2.840 km SSW of Skwentna, Alaska · 12 hr ago · 101 km deep · 54 km away · felt by 1

Before

  1. 1.56 km SSW of Trapper Creek, Alaska · 3 days ago · 19 km deep · 97 km away
  2. 2.323 km W of Hope, Alaska · 3 days ago · 35 km deep · 70 km away · felt by 1
  3. 1.827 km NNE of Point Possession, Alaska · 3 days ago · 51 km deep · 30 km away
  4. 2.17 km ESE of Susitna North, Alaska · 4 days ago · 53 km deep · 98 km away · felt by 1
  5. 1.720 km SW of Hope, Alaska · 4 days ago · 32 km deep · 85 km away
  6. 2.518 km N of Cooper Landing, Alaska · 4 days ago · 25 km deep · 100 km away · felt by 1
  7. 2.810 km SE of Anchorage, Alaska · 4 days ago · 8 km deep · 61 km away · felt by 26
  8. 1.63 km ENE of Big Lake, Alaska · 5 days ago · 47 km deep · 47 km away
  9. 2.04 km NW of Big Lake, Alaska · 5 days ago · 32 km deep · 42 km away · felt by 1
  10. 1.639 km WNW of Beluga, Alaska · 5 days ago · 85 km deep · 55 km away
  11. 2.430 km WSW of Point MacKenzie, Alaska · 5 days ago · 25 km deep · 26 km away · felt by 2
  12. 1.513 km ENE of Nikiski, Alaska · 5 days ago · 50 km deep · 80 km away
  13. 1.820 km NNE of Nikiski, Alaska · 6 days ago · 69 km deep · 66 km away
  14. 1.98 km WNW of Beluga, Alaska · 6 days ago · 65 km deep · 38 km away
  15. 1.941 km W of Susitna, Alaska · 6 days ago · 9 km deep · 34 km away
  16. 1.912 km ENE of Susitna, Alaska · 6 days ago · 34 km deep · 31 km away
  17. 1.821 km E of Beluga, Alaska · 6 days ago · 15 km deep · 32 km away
  18. 1.925 km SW of Skwentna, Alaska · 6 days ago · 98 km deep · 72 km away
  19. 1.819 km SE of Point Possession, Alaska · 6 days ago · 16 km deep · 70 km away
  20. 2.129 km NNW of Susitna, Alaska · 6 days ago · 65 km deep · 39 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026sqdzzi. Read Tue, Sep 22, 2026, 9:40 AM UTC.