Alaska earthquakes

M3.6 earthquake 49 km N of Adak, Alaska

A magnitude 3.6 earthquake struck 49 km N of Adak, Alaska on Tue, Aug 25, 1998, 1:13 AM HADT (10:13 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M4.7 31 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.6 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1998-08-25 10:13:42 UTC
Depth
47.2 km (29.3 mi), shallow
Epicenter
52.317° N, 176.690° 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.

Depth from
FROM_LOCATION

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.155 km ENE of Adak, Alaska · 10248 days ago · 94 km deep · 55 km away
  2. 4.270 km WNW of Adak, Alaska · 10248 days ago · 33 km deep · 63 km away
  3. 4.731 km SW of Adak, Alaska · 10217 days ago · 58 km deep · 75 km away
  4. 4.342 km S of Adak, Alaska · 10215 days ago · 67 km deep · 91 km away
  5. 4.523 km W of Adak, Alaska · 10208 days ago · 60 km deep · 55 km away

Before

  1. 4.321 km SSE of Adak, Alaska · 10266 days ago · 61 km deep · 70 km away
  2. 4.6103 km NNE of Adak, Alaska · 10267 days ago · 210 km deep · 58 km away
  3. 4.950 km WSW of Adak, Alaska · 10284 days ago · 45 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008tur. Read Fri, Oct 2, 2026, 9:46 PM UTC.