Magnitude
M3.1
- Depth
- 10.0 km
- Source
- USGS
132 km SSE of Old Harbor, Alaska
M3.1 Earthquake near 132 km SSE of Old Harbor, Alaska
Map
About this earthquake
A magnitude M3.1 earthquake was recorded near 132 km SSE of Old Harbor, Alaska on September 3, 2025 at 09:45 UTC. With a focal depth of about 10 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
925ec2d4681f095077e3afb0a3786a0fb4218bed
Magnitude
M3.1
Depth
10.0 km
UTC time
2025-09-03 09:45:44 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.18920,
-152.17890
Temperature
14.4°C
Depth profile
Shallow
10 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
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)
493
Country (24h)
—
—
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