Magnitude
M3.1
- Depth
- 46.9 km
- Source
- USGS
41 km ESE of Unalaska, Alaska
M3.1 Earthquake near 41 km ESE of Unalaska, Alaska
Map
About this earthquake
On February 8, 2025 at 08:30 UTC, a magnitude M3.1 earthquake occurred near 41 km ESE of Unalaska, Alaska. With a focal depth of about 47 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.
The data is provided by USGS and cross-checked across seismological networks.
Details
ID
d1cf88bd41455adc8919777d5063c8b9569f05f0
Magnitude
M3.1
Depth
46.9 km
UTC time
2025-02-08 08:30:37 UTC
Local time
—
Country
—
Source
usgs
Coordinates
53.71750,
-165.95720
Depth profile
Shallow
46.9 km
Why depth matters
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS
Volcanoes nearby
Radius · 50 km
Nearby infrastructure
Airports
- Tom Madsen (Dutch Harbor) Airport43.5 kmStraight-line distance
United States · DUT · PADU
Source: OurAirports · Dataset date: 2026-10-01
This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates
No unambiguous area assignment
Context for this earthquake
This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.
Earthquake overviewStats (last 24h)
Global (24h)
572
Country (24h)
—
—
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