4
Recorded earthquakes
region
October 1975
Chiba earthquakes in October 1975
Earthquake archive for Chiba in October 1975: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.0
Strongest magnitude
4.9
Average magnitude
27.0 km
Average depth
Strongest event
5.0
19 Oct 1975
Analysis of the recorded activity
During October 1975, 4 earthquakes were recorded near Chiba. Magnitudes ranged from 4.7 to 5.0, with an average of 4.9; depths ranged from 18.0 to 35.0 km, averaging 27.0 km. Activity extended from Wednesday, October 1, 1975 to Sunday, October 19, 1975 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list