Alaska earthquakes

M1.7 earthquake 162 km SSE of Old Harbor, Alaska

A magnitude 1.7 earthquake struck 162 km SSE of Old Harbor, Alaska on Wed, Jul 18, 2018, 6:23 AM AKDT (14:23 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.4 238 km SSE of Old Harbor, Alaska. This one was a foreshock.

Womens Bay 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
1.7 (ml), micro
Local time
UTC
2018-07-18 14:23:18 UTC
Depth
10.7 km (6.6 mi), shallow
Epicenter
55.938° N, 151.987° 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
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.4238 km SSE of Old Harbor, Alaska · 2979 days ago · 5 km deep · 78 km away
  2. 2.2119 km SE of Old Harbor, Alaska · 2969 days ago · 25 km deep · 44 km away
  3. 2.8246 km SE of Old Harbor, Alaska · 2962 days ago · 40 km deep · 90 km away
  4. 2.4206 km SSE of Chiniak, Alaska · 2954 days ago · 8 km deep · 94 km away
  5. 1.992 km SE of Old Harbor, Alaska · 2952 days ago · 46 km deep · 72 km away
  6. 2.7115 km SSE of Akhiok, Alaska · 2948 days ago · 27 km deep · 83 km away
  7. 2.2132 km SSE of Akhiok, Alaska · 2948 days ago · 36 km deep · 72 km away
  8. 2.4137 km SSE of Akhiok, Alaska · 2948 days ago · 44 km deep · 65 km away
  9. 2.4131 km SSE of Akhiok, Alaska · 2948 days ago · 37 km deep · 75 km away
  10. 2.9229 km SSE of Chiniak, Alaska · 2945 days ago · 4 km deep · 95 km away
  11. 2.9211 km SSE of Old Harbor, Alaska · 2943 days ago · 10 km deep · 50 km away
  12. 2.2118 km SSE of Akhiok, Alaska · 2933 days ago · 33 km deep · 83 km away
  13. 3.0123 km SSE of Akhiok, Alaska · 2933 days ago · 33 km deep · 79 km away
  14. 2.3129 km SSE of Akhiok, Alaska · 2933 days ago · 33 km deep · 73 km away
  15. 2.7123 km SSE of Akhiok, Alaska · 2933 days ago · 33 km deep · 80 km away
  16. 2.3138 km SSE of Akhiok, Alaska · 2933 days ago · 30 km deep · 67 km away
  17. 2.2131 km SSE of Akhiok, Alaska · 2933 days ago · 34 km deep · 75 km away
  18. 1.8112 km SSE of Akhiok, Alaska · 2928 days ago · 25 km deep · 75 km away

Before

  1. 2.3198 km SSE of Old Harbor, Alaska · 2988 days ago · 12 km deep · 36 km away
  2. 2.5202 km SSE of Old Harbor, Alaska · 2994 days ago · 7 km deep · 41 km away
  3. 3.0195 km SSE of Old Harbor, Alaska · 2999 days ago · 10 km deep · 33 km away
  4. 2.7217 km SSE of Chiniak, Alaska · 3003 days ago · 9 km deep · 80 km away
  5. 2.9248 km SE of Old Harbor, Alaska · 3004 days ago · 5 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01895cf3mx (also filed as ak19967379, aacse01895cf3mx). Read Tue, Sep 22, 2026, 5:27 PM UTC.