VolcanoYT

Disaster Monitoring

Earthquake 70 km S of Port Graham, Alaska

Fri, 17 Apr 2026 15:08:36 GMT

Time1 day ago
Location
58.7200, -151.7810
Depth
9.6 KM

Event Summary

A 1.8 magnitude earthquake struck on 70 km S of Port Graham, Alaska, at Fri, 17 Apr 2026 15:08:36 GMT. Depth: 9.6km. Reviewed by USGS seismologists, this minor quake occurred at a magnitude type of ml.

Magnitude
1.8
ml
Map of 70 km S of Port Graham, Alaska
Source
USGS
Intensity
-

Agency Reports

1 Sources
SourceMagnitudeDepthTime
USGSPrimary1.810 km1 day ago

Earthquake Details

Automatic
Event IDusgs_aka2026hntcgs
QualityS
Tsunami PotentialNo
Magnitude Typeml
Last Update1 day ago
Used Stations8

Felt Reports0

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