2
Recorded earthquakes
region
February 1980
Chiba earthquakes in February 1980
Earthquake archive for Chiba in February 1980: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.0
Strongest magnitude
4.7
Average magnitude
49.0 km
Average depth
Strongest event
5.0
29 Feb 1980
Analysis of the recorded activity
During February 1980, 2 earthquakes were recorded near Chiba. Magnitudes ranged from 4.4 to 5.0, with an average of 4.7; depths ranged from 23.0 to 75.0 km, averaging 49.0 km. Activity extended from Monday, February 4, 1980 to Friday, February 29, 1980 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.0
23.0 km
Chiba, Japan
29 Feb 1980 18:29:04 UTC
4.4
75.0 km
Chiba, Japan
04 Feb 1980 13:10:12 UTC