2
Recorded earthquakes
city
1991
Sapporo earthquakes in 1991
Earthquake archive for Sapporo in 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.4
Strongest magnitude
4.4
Average magnitude
100.8 km
Average depth
Strongest event
4.4
12 Dec 1991
Iwamizawa, Japan
Depth
33.0 km
UTC
02:25:34
Coordinates
43.336, 141.866
Analysis of the recorded activity
During 1991, 2 earthquakes were recorded near Sapporo. Magnitudes ranged from 4.3 to 4.4, with an average of 4.4; depths ranged from 33.0 to 168.6 km, averaging 100.8 km. Activity extended from Tuesday, July 2, 1991 to Thursday, December 12, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.4
33.0 km
Iwamizawa, Japan
12 Dec 1991 02:25:34 UTC
4.3
168.6 km
Ebetsu, Japan
02 Jul 1991 04:24:28 UTC