Magnitude
M4.6
- Depth
- 11.8 km
- Source
- USGS
117 km SE of Old Harbor, Alaska
M4.6 Earthquake near 117 km SE of Old Harbor, Alaska
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Archive record · original publication time was not recorded
Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗
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About this earthquake
A magnitude M4.6 earthquake was recorded near 117 km SE of Old Harbor, Alaska on September 17, 2025 at 06:35 UTC. With a focal depth of about 12 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.
The data is provided by USGS and cross-checked across seismological networks.
Details
ID
38b889664866b618c3d7332489c573511b47afdc
Magnitude
M4.6
Depth
11.8 km
UTC time
2025-09-17 06:35:41 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.34530,
-152.17600
Temperature
10.7°C
Depth profile
Shallow
11.8 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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