Magnitude
M3.9
- Depth
- 12.0 km
- Source
- USGS
122 km SE of Old Harbor, Alaska
M3.9 Earthquake near 122 km SE of Old Harbor, Alaska
Map
About this earthquake
On September 1, 2025 at 11:08 UTC, a magnitude M3.9 earthquake occurred near 122 km SE of Old Harbor, Alaska. The hypocenter lay relatively close to the surface at around 12 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.
The event was recorded by USGS.
Details
ID
3774f8eaf344cf3be1872833fc5bdf88772bbde7
Magnitude
M3.9
Depth
12.0 km
UTC time
2025-09-01 11:08:50 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.33140,
-152.08780
Temperature
14.3°C
Depth profile
Shallow
12 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)
508
Country (24h)
—
—
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