3.5

Earthquake Details: northeastern Chiba

Sep 30, 2026, 21:17:00

A magnitude 3.5 earthquake occurred near northeastern Chiba on Sep 30, 2026 at 21:17:00. The seismic event was recorded at a depth of 500 km. No tsunami warning was issued.

No Tsunami WarningStatus: ReviewedType: Earthquake

Regional Seismicity

View recent seismic activity near this event:

JapanChibaYōkaichiba (Nearest City)

Technical Details

Depth500 km
Significance0
Latitude35.7000
Longitude140.6000
Event IDjma:20261001061703
Magnitude3.5
Updated:Sep 30, 2026, 21:20:00 UTC

External Resources

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