3
Recorded earthquakes
region
September 1991
Chiba earthquakes in September 1991
Earthquake archive for Chiba in September 1991: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.1
Strongest magnitude
4.8
Average magnitude
76.3 km
Average depth
Strongest event
5.1
29 Sep 1991
Analysis of the recorded activity
During September 1991, 3 earthquakes were recorded near Chiba. Magnitudes ranged from 4.7 to 5.1, with an average of 4.8; depths ranged from 73.3 to 79.9 km, averaging 76.3 km. Activity extended from Sunday, September 29, 1991 to Sunday, September 29, 1991 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.1
75.7 km
Chiba, Japan
29 Sep 1991 04:13:58 UTC
4.7
79.9 km
Chiba, Japan
29 Sep 1991 05:00:00 UTC
4.7
73.3 km
Chiba, Japan
29 Sep 1991 04:42:23 UTC