4
Recorded earthquakes
region
1971
Morioka earthquakes in 1971
Earthquake archive for Morioka in 1971: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
6.3
Strongest magnitude
5.5
Average magnitude
30.2 km
Average depth
Strongest event
6.3
24 Sep 1971
Analysis of the recorded activity
During 1971, 4 earthquakes were recorded near Morioka. Magnitudes ranged from 5.1 to 6.3, with an average of 5.5; depths ranged from 21.0 to 41.5 km, averaging 30.2 km. Activity extended from Sunday, July 11, 1971 to Friday, September 24, 1971 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list