3
Recorded earthquakes
region
October 1985
Chiba earthquakes in October 1985
Earthquake archive for Chiba in October 1985: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.9
Strongest magnitude
5.1
Average magnitude
76.3 km
Average depth
Strongest event
5.9
04 Oct 1985
Analysis of the recorded activity
During October 1985, 3 earthquakes were recorded near Chiba. Magnitudes ranged from 4.3 to 5.9, with an average of 5.1; depths ranged from 56.0 to 88.4 km, averaging 76.3 km. Activity extended from Friday, October 4, 1985 to Wednesday, October 16, 1985 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list