2
Recorded earthquakes
region
September 1971
Morioka earthquakes in September 1971
Earthquake archive for Morioka in September 1971: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
6.3
Strongest magnitude
5.7
Average magnitude
23.4 km
Average depth
Strongest event
6.3
24 Sep 1971
Analysis of the recorded activity
During September 1971, 2 earthquakes were recorded near Morioka. Magnitudes ranged from 5.1 to 6.3, with an average of 5.7; depths ranged from 21.0 to 25.7 km, averaging 23.4 km. Activity extended from Monday, September 20, 1971 to Friday, September 24, 1971 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list