2
Recorded earthquakes
region
October 1973
Chiba earthquakes in October 1973
Earthquake archive for Chiba in October 1973: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.4
Average magnitude
42.5 km
Average depth
Strongest event
4.6
11 Oct 1973
Chiba, Japan
Depth
52.0 km
UTC
18:32:35
Coordinates
34.877, 141.564
Analysis of the recorded activity
During October 1973, 2 earthquakes were recorded near Chiba. Magnitudes ranged from 4.3 to 4.6, with an average of 4.5; depths ranged from 33.0 to 52.0 km, averaging 42.5 km. Activity extended from Thursday, October 11, 1973 to Thursday, October 25, 1973 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
52.0 km
Chiba, Japan
11 Oct 1973 18:32:35 UTC
4.3
33.0 km
Chiba, Japan
25 Oct 1973 01:25:28 UTC