4
Recorded earthquakes
city
1973
Shūnan earthquakes in 1973
Earthquake archive for Shūnan in 1973: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.3
Strongest magnitude
4.2
Average magnitude
48.5 km
Average depth
Strongest event
4.3
10 Sep 1973
Matsuyama, Japan
Depth
55.0 km
UTC
04:41:11
Coordinates
33.680, 132.647
Analysis of the recorded activity
During 1973, 4 earthquakes were recorded near Shūnan. Magnitudes ranged from 4.0 to 4.3, with an average of 4.2; depths ranged from 19.0 to 66.0 km, averaging 48.5 km. Activity extended from Sunday, February 25, 1973 to Monday, September 10, 1973 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.3
55.0 km
Matsuyama, Japan
10 Sep 1973 04:41:11 UTC
4.3
66.0 km
Ōzu, Japan
08 Sep 1973 19:29:45 UTC
4.2
19.0 km
Hiroshima, Japan
25 Feb 1973 10:09:44 UTC
4.0
54.0 km
Matsuyama, Japan
26 Feb 1973 13:38:11 UTC