3
Recorded earthquakes
region
1971
Izu Islands earthquakes in 1971
Earthquake archive for Izu Islands in 1971: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.9
Strongest magnitude
5.4
Average magnitude
190.0 km
Average depth
Strongest event
5.9
04 Mar 1971
Analysis of the recorded activity
During 1971, 3 earthquakes were recorded near Izu Islands. Magnitudes ranged from 5.1 to 5.9, with an average of 5.4; depths ranged from 35.0 to 449.9 km, averaging 190.0 km. Activity extended from Thursday, March 4, 1971 to Wednesday, September 15, 1971 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list