SOURCE-BACKED EVENT · EARTHQUAKE
M1 8 km N of Rancho Cucamonga, CA
Observed facts from USGS Earthquake Hazards Program. PlanetVexa-derived context is labeled separately.
MEASUREMENTM1
Source: USGS Earthquake Hazards ProgramSource updated Oct 18, 2026 · 14:00 UTC
WhenOct 18, 2026 · 02:47:13 UTC
Primary valueM1
Position34.196, -117.582
Additional reading3.9 km depth
WHAT THE SOURCE REPORTS
M1 8 km N of Rancho Cucamonga, CA
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.