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M4.6 Earthquake: 95 mi WNW of Adak, Alaska

Sun 10/25/2026, 8:49 AM HADT, 95 mi deep. Reviewed by a seismologist.

Not an official warning; USGS revises quake reports. In an emergency, call 911.

Magnitude
4.6 mb
Depth
95 mi
152.9 km
Felt reports
None
Tsunami
No flag
4.6

95 mi WNW of Adak, Alaska

52.192°, -178.806°

Local time
Sun 10/25/2026, 8:49 AM HADT
Pacific time
10/25/2026, 10:49 AM PT
Magnitude type
mb
Significance
326 (USGS score, higher is more significant)
Max reported shaking
MMI 2.1
Review status
Reviewed
USGS event ID
us6000u4vb
Shake map and felt reports on USGS

Nearby earthquakes

Magnitude 2.5+ in the past year, closest first

What the magnitude means

  • Under 2.5Usually not felt. Recorded by seismographs. Millions happen each year.
  • 2.5 to 3.9Often felt, little damage. Feels like a passing truck. Hanging objects may swing.
  • 4.0 to 4.9Light. Noticeable shaking indoors, rattling dishes. Damage is rare.
  • 5.0 to 5.9Moderate. Can damage poorly built structures near the epicenter.
  • 6.0 to 6.9Strong. Can be destructive in populated areas up to about 100 miles across.
  • 7.0 and upMajor to great. Serious damage over large areas. A few happen worldwide each year.

Frequently asked questions

How strong was this earthquake?
It measured magnitude 4.6 (mb) at a depth of about 95 mi. Earthquakes of this size are widely felt but rarely cause damage.
Did people feel it?
No felt reports had been submitted to the USGS when we last checked.
Was there a tsunami?
The USGS did not flag this event for tsunami review.

Source: U.S. Geological Survey Earthquake Hazards Program · Last updated 10/25/2026 · Magnitude and location may be revised