Alaska earthquakes

M3.6 earthquake 80 km SE of Chignik, Alaska

A magnitude 3.6 earthquake struck 80 km SE of Chignik, Alaska on Tue, Nov 20, 2018, 7:30 AM AKST (16:30 UTC), 10 km (6 mi) below the surface.

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Map

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

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The earthquake

Magnitude
3.6 (ml), minor
Local time
UTC
2018-11-20 16:30:21 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
55.776° N, 157.510° W
Region
Alaska
Strongest shaking
II, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
II, weak shaking
Peak ground acceleration
1.0% of gravity
Peak ground velocity
0.0 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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
117

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.569 km SE of Chignik, Alaska · 2871 days ago · 1 km deep · 11 km away
  2. 2.969 km SE of Chignik, Alaska · 2871 days ago · 35 km deep · 12 km away
  3. 2.696 km SSE of Perryville, Alaska · 2868 days ago · 36 km deep · 97 km away
  4. 2.897 km SE of Perryville, Alaska · 2866 days ago · 32 km deep · 80 km away
  5. 2.528 km SSE of Perryville, Alaska · 2864 days ago · 48 km deep · 91 km away
  6. 2.5120 km SE of Perryville, Alaska · 2863 days ago · 20 km deep · 69 km away
  7. 2.818 km ESE of Chignik, Alaska · 2863 days ago · 51 km deep · 64 km away
  8. 2.713 km SSE of Perryville, Alaska · 2858 days ago · 56 km deep · 99 km away
  9. 3.251 km SSE of Perryville, Alaska · 2853 days ago · 58 km deep · 80 km away
  10. 2.598 km E of Chignik, Alaska · 2844 days ago · 6 km deep · 64 km away
  11. 1.860 km SSE of Perryville, Alaska · 2842 days ago · 15 km deep · 80 km away
  12. 2.550 km E of Chignik, Alaska · 2840 days ago · 47 km deep · 58 km away
  13. 2.8108 km SE of Perryville, Alaska · 2838 days ago · 54 km deep · 48 km away
  14. 2.4Alaska Peninsula · 2837 days ago · 62 km deep · 77 km away
  15. 2.498 km ENE of Chignik, Alaska · 2836 days ago · 36 km deep · 92 km away
  16. 2.4146 km ESE of Chignik, Alaska · 2835 days ago · 43 km deep · 92 km away
  17. 3.022 km S of Chignik, Alaska · 2833 days ago · 64 km deep · 65 km away
  18. 2.884 km ENE of Chignik, Alaska · 2830 days ago · 83 km deep · 89 km away
  19. 2.4122 km SE of Perryville, Alaska · 2827 days ago · 22 km deep · 69 km away
  20. 3.5109 km SE of Perryville, Alaska · 2827 days ago · 37 km deep · 65 km away · felt by 1
  21. 2.3125 km SE of Perryville, Alaska · 2824 days ago · 14 km deep · 77 km away
  22. 2.2129 km E of Chignik, Alaska · 2823 days ago · 58 km deep · 84 km away
  23. 2.6Alaska Peninsula · 2819 days ago · 51 km deep · 40 km away
  24. 2.771 km SE of Perryville, Alaska · 2815 days ago · 29 km deep · 70 km away

Before

  1. 2.577 km SE of Chignik, Alaska · 2871 days ago · 31 km deep · 4 km away
  2. 2.216 km S of Chignik, Alaska · 2877 days ago · 66 km deep · 71 km away
  3. 2.718 km S of Chignik Lake, Alaska · 2879 days ago · 77 km deep · 87 km away
  4. 3.2154 km ESE of Chignik, Alaska · 2882 days ago · 72 km deep · 90 km away
  5. 3.254 km SE of Chignik, Alaska · 2884 days ago · 47 km deep · 29 km away
  6. 2.416 km NE of Perryville, Alaska · 2885 days ago · 80 km deep · 97 km away
  7. 2.4115 km E of Chignik, Alaska · 2888 days ago · 77 km deep · 99 km away
  8. 2.937 km SE of Perryville, Alaska · 2890 days ago · 45 km deep · 80 km away
  9. 2.277 km ENE of Chignik, Alaska · 2890 days ago · 73 km deep · 97 km away
  10. 2.8129 km SE of Chignik, Alaska · 2890 days ago · 30 km deep · 50 km away
  11. 3.1103 km E of Chignik, Alaska · 2897 days ago · 54 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ew3tutw (also filed as ak20384642, us1000hugq, aacse018ew3tutw). Read Wed, Sep 30, 2026, 6:29 PM UTC.