2
Recorded earthquakes
region
August 1981
Izu Islands earthquakes in August 1981
Earthquake archive for Izu Islands in August 1981: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.6
Average magnitude
41.3 km
Average depth
Strongest event
4.8
06 Aug 1981
Izu Islands, Japan region
Depth
49.6 km
UTC
04:15:45
Coordinates
30.006, 141.923
Analysis of the recorded activity
During August 1981, 2 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.5 to 4.8, with an average of 4.7; depths ranged from 33.0 to 49.6 km, averaging 41.3 km. Activity extended from Wednesday, August 5, 1981 to Thursday, August 6, 1981 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
49.6 km
Izu Islands, Japan region
06 Aug 1981 04:15:45 UTC
4.5
33.0 km
Izu Islands, Japan region
05 Aug 1981 07:11:15 UTC