This page summarizes earthquakes in Chiba Prefecture (Japan). The most recently recorded event was a magnitude M3.4 earthquake near Shiroi on 2026-08-09 09:59:30 UTC. All event lists and map markers are limited to the last 30 days.
In 2026, Chiba Prefecture recorded 23 earthquakes within Japan. The average magnitude was M4.41. The strongest event reached M5.9.
Located on the Okhotsk Plate.
