Alaska earthquakes

M2.2 earthquake 132 km ESE of Chignik, Alaska

A magnitude 2.2 earthquake struck 132 km ESE of Chignik, Alaska on Wed, Sep 19, 2018, 10:31 AM AKDT (18:31 UTC), 70 km (43 mi) below the surface.

A larger quake followed: M3.2 54 km SE of Chignik, Alaska. This one was a foreshock.

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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
2.2 (ML, local (Richter)), micro
Magnitude from
AACSE
Local time
UTC
2018-09-19 18:31:15 UTC
Depth
69.8 km (43.4 mi), shallow
Epicenter
55.848° N, 156.423° 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
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.9118 km E of Chignik, Alaska · 2927 days ago · 5 km deep · 36 km away
  2. 2.165 km ENE of Chignik, Alaska · 2917 days ago · 58 km deep · 93 km away
  3. 2.399 km SE of Chignik, Alaska · 2915 days ago · 12 km deep · 74 km away
  4. 2.1116 km ENE of Chignik, Alaska · 2912 days ago · 81 km deep · 74 km away
  5. 2.459 km E of Chignik, Alaska · 2906 days ago · 72 km deep · 89 km away
  6. 2.665 km E of Chignik, Alaska · 2904 days ago · 56 km deep · 85 km away
  7. 2.492 km ENE of Chignik, Alaska · 2903 days ago · 53 km deep · 95 km away
  8. 3.1103 km E of Chignik, Alaska · 2898 days ago · 54 km deep · 41 km away
  9. 2.298 km SSE of Ugashik, Alaska · 2898 days ago · 76 km deep · 98 km away
  10. 2.8129 km SE of Chignik, Alaska · 2891 days ago · 30 km deep · 43 km away
  11. 2.4115 km E of Chignik, Alaska · 2889 days ago · 77 km deep · 72 km away
  12. 2.7123 km WSW of Akhiok, Alaska · 2885 days ago · 61 km deep · 76 km away
  13. 3.254 km SE of Chignik, Alaska · 2885 days ago · 47 km deep · 81 km away
  14. 1.8123 km WSW of Akhiok, Alaska · 2883 days ago · 62 km deep · 87 km away
  15. 3.2154 km ESE of Chignik, Alaska · 2883 days ago · 72 km deep · 22 km away

Before

  1. 1.9124 km SE of Ugashik, Alaska · 2940 days ago · 81 km deep · 88 km away
  2. 2.241 km E of Chignik, Alaska · 2941 days ago · 62 km deep · 98 km away
  3. 2.1105 km WSW of Akhiok, Alaska · 2944 days ago · 60 km deep · 98 km away
  4. 2.2133 km E of Chignik, Alaska · 2952 days ago · 62 km deep · 52 km away
  5. 2.054 km ESE of Chignik, Alaska · 2953 days ago · 40 km deep · 79 km away
  6. 2.0south of Alaska · 2953 days ago · 47 km deep · 9 km away
  7. 2.744 km ESE of Chignik, Alaska · 2954 days ago · 54 km deep · 88 km away
  8. 2.1117 km WSW of Akhiok, Alaska · 2958 days ago · 75 km deep · 97 km away
  9. 1.778 km E of Chignik, Alaska · 2961 days ago · 67 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018c1lpeon. Read Thu, Oct 1, 2026, 5:14 PM UTC.