3
Recorded earthquakes
region
December 1984
Chiba earthquakes in December 1984
Earthquake archive for Chiba in December 1984: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.2
Strongest magnitude
4.7
Average magnitude
64.7 km
Average depth
Strongest event
5.2
17 Dec 1984
Analysis of the recorded activity
During December 1984, 3 earthquakes were recorded near Chiba. Magnitudes ranged from 4.3 to 5.2, with an average of 4.7; depths ranged from 33.0 to 82.5 km, averaging 64.7 km. Activity extended from Friday, December 7, 1984 to Wednesday, December 26, 1984 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.2
82.5 km
Chiba, Japan
17 Dec 1984 14:49:47 UTC
4.7
78.5 km
Chiba, Japan
07 Dec 1984 01:55:48 UTC
4.3
33.0 km
Chiba, Japan
26 Dec 1984 08:12:21 UTC