Alaska earthquakes

M4.1 earthquake 149 km SSE of Chignik, Alaska

A magnitude 4.1 earthquake struck 149 km SSE of Chignik, Alaska on Tue, Sep 12, 2017, 7:40 AM AKDT (15:40 UTC), 23 km (14 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
4.1 (mb, body-wave), light
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-09-12 15:40:31 UTC
Depth
22.8 km (14.2 mi), shallow
Epicenter
55.175° N, 157.091° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.1mb, body-waveAlaska Earthquake CenterPreferred · Preliminary
4.1mb, body-waveUSGS National Earthquake Information CenterReviewed · ±0.214 · 6 stations

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
103

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 3.495 km ESE of Chignik, Alaska · 3304 days ago · 45 km deep · 93 km away
  2. 2.9Alaska Peninsula · 3298 days ago · 8 km deep · 89 km away
  3. 3.2215 km SE of Perryville, Alaska · 3285 days ago · 12 km deep · 75 km away
  4. 4.0south of Alaska · 3284 days ago · 12 km deep · 82 km away
  5. 4.0215 km SE of Perryville, Alaska · 3284 days ago · 10 km deep · 74 km away
  6. 2.170 km SE of Chignik, Alaska · 3258 days ago · 16 km deep · 84 km away
  7. 2.488 km SSE of Perryville, Alaska · 3257 days ago · 25 km deep · 86 km away
  8. 1.971 km SE of Perryville, Alaska · 3255 days ago · 28 km deep · 89 km away
  9. 2.572 km SE of Perryville, Alaska · 3254 days ago · 14 km deep · 89 km away

Before

  1. 4.6147 km SE of Chignik, Alaska · 3308 days ago · 8 km deep · 3 km away
  2. 2.3163 km SE of Chignik, Alaska · 3308 days ago · 12 km deep · 18 km away
  3. 3.067 km SE of Perryville, Alaska · 3310 days ago · 25 km deep · 93 km away
  4. 2.357 km SE of Perryville, Alaska · 3311 days ago · 31 km deep · 96 km away
  5. 4.4149 km SSE of Chignik, Alaska · 3311 days ago · 37 km deep · 1 km away
  6. 2.375 km SE of Perryville, Alaska · 3311 days ago · 19 km deep · 79 km away
  7. 2.293 km SE of Chignik, Alaska · 3311 days ago · 22 km deep · 60 km away
  8. 2.199 km SSE of Perryville, Alaska · 3331 days ago · 32 km deep · 82 km away
  9. 4.1154 km SE of Chignik, Alaska · 3332 days ago · 37 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017bpz7n2a (also filed as ak16821270, us2000akty). Read Sat, Oct 3, 2026, 8:08 AM UTC.