Alaska earthquakes

M2.2 earthquake 187 km S of Adak, Alaska

A magnitude 2.2 earthquake struck 187 km S of Adak, Alaska on Mon, Jun 25, 2018, 12:02 PM HADT (21:02 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.8 236 km SSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-06-25 21:02:56 UTC
Depth
9.4 km (5.8 mi), shallow
Epicenter
50.202° N, 176.985° 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
16

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 3.1180 km S of Adak, Alaska · 3005 days ago · 29 km deep · 50 km away
  2. 2.2176 km S of Adak, Alaska · 3005 days ago · 33 km deep · 53 km away
  3. 2.3229 km SSW of Adak, Alaska · 2997 days ago · 5 km deep · 59 km away
  4. 4.8236 km SSW of Adak, Alaska · 2975 days ago · 27 km deep · 93 km away
  5. 2.6231 km SSW of Adak, Alaska · 2974 days ago · 10 km deep · 94 km away
  6. 2.5194 km SSW of Adak, Alaska · 2964 days ago · 31 km deep · 31 km away

Before

  1. 2.1169 km SSW of Adak, Alaska · 3024 days ago · 36 km deep · 37 km away
  2. 3.7193 km S of Adak, Alaska · 3025 days ago · 10 km deep · 12 km away
  3. 2.6212 km SSW of Adak, Alaska · 3041 days ago · 29 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01883f3qfl (also filed as ak19811707). Read Fri, Oct 2, 2026, 11:53 AM UTC.