3
Recorded earthquakes
region
August 2025
Chiba earthquakes in August 2025
Earthquake archive for Chiba in August 2025: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.5
Strongest magnitude
4.3
Average magnitude
41.5 km
Average depth
Strongest event
4.5
15 Aug 2025
Chiba, Japan
Depth
35.0 km
UTC
10:39:54
Coordinates
33.367, 141.070
Analysis of the recorded activity
During August 2025, 3 earthquakes were recorded near Chiba. Magnitudes ranged from 4.1 to 4.5, with an average of 4.3; depths ranged from 35.0 to 51.8 km, averaging 41.5 km. Activity extended from Monday, August 11, 2025 to Sunday, August 31, 2025 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.5
35.0 km
Chiba, Japan
15 Aug 2025 10:39:54 UTC
4.4
51.8 km
Chiba, Japan
31 Aug 2025 21:53:53 UTC
4.1
37.7 km
Chiba, Japan
11 Aug 2025 09:16:26 UTC