Magnitude
M3.1
- Depth
- 11.7 km
- Source
- USGS
118 km SE of Old Harbor, Alaska
M3.1 Earthquake near 118 km SE of Old Harbor, Alaska
Map
About this earthquake
On September 1, 2025 at 11:16 UTC, a magnitude M3.1 earthquake occurred near 118 km SE of Old Harbor, Alaska. With a focal depth of about 12 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.
The event was recorded by USGS.
Details
ID
0f11c2c20a1d8a690d46702ea4a15482526cc912
Magnitude
M3.1
Depth
11.7 km
UTC time
2025-09-01 11:16:43 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.37590,
-152.07540
Temperature
14.3°C
Depth profile
Shallow
11.7 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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