Magnitude
M3.8
- Depth
- 10.0 km
- Source
- USGS
164 km SW of Adak, Alaska
M3.8 Earthquake near 164 km SW of Adak, Alaska
Map
About this earthquake
On April 20, 2026 at 17:17 UTC, a magnitude M3.8 earthquake occurred near 164 km SW of Adak, Alaska. 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
f493fceed85ff9bb1e2ec7c7f22f3290237ea45f
Magnitude
M3.8
Depth
10.0 km
UTC time
2026-04-20 17:17:03 UTC
Local time
—
Country
—
Source
usgs
Coordinates
50.91910,
-178.44560
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)
620
Country (24h)
—
—
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