SOURCE-BACKED EVENT · EARTHQUAKE
M4 161 km S of Nikolski, Alaska
Observed facts from USGS Earthquake Hazards Program. PlanetVexa-derived context is labeled separately.
MEASUREMENTM4
Source: USGS Earthquake Hazards ProgramSource updated Oct 19, 2026 · 16:31 UTC
WhenOct 19, 2026 · 05:08:40 UTC
Primary valueM4
Position51.515, -168.422
Additional reading10.0 km depth
WHAT THE SOURCE REPORTS
M4 161 km S of Nikolski, Alaska
This record preserves the official measurement, timestamp, status and attribution. The source may revise its values while this PlanetVexa URL remains stable.
PLANETVEXA-DERIVED CONTEXT
No warning or impact is inferred from this observation. Consult the responsible public authority for warnings and protective action.