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M5.5 Earthquake: 57 mi NNW of Aleneva, Alaska

Tue 10/06/2026, 10:34 AM AKDT, 54 mi deep. Reviewed by a seismologist.

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

Magnitude
5.5 ml
Depth
54 mi
87.6 km
Felt reports
342
Max intensity 4.6
Tsunami
No flag
5.5

57 mi NNW of Aleneva, Alaska

58.802°, -153.609° · Kodiak Island Borough

PAGER alert: green

Local time
Tue 10/06/2026, 10:34 AM AKDT
Pacific time
10/06/2026, 11:34 AM PT
Magnitude type
ml
Significance
623 (USGS score, higher is more significant)
Max reported shaking
MMI 4.2
Review status
Reviewed
USGS event ID
aka2026tuxgky
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 5.5 (ml) at a depth of about 54 mi. Moderate earthquakes like this can damage weaker buildings near the epicenter.
Did people feel it?
342 people reported feeling it to the USGS "Did You Feel It?" survey.
Was there a tsunami?
The USGS did not flag this event for tsunami review.

Source: U.S. Geological Survey Earthquake Hazards Program · Last updated 10/06/2026 · Magnitude and location may be revised