2
Recorded earthquakes
region
August 1981
Volcano Islands earthquakes in August 1981
Earthquake archive for Volcano Islands in August 1981: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.7
Strongest magnitude
4.7
Average magnitude
102.2 km
Average depth
Strongest event
4.7
17 Aug 1981
Volcano Islands, Japan region
Depth
171.4 km
UTC
21:12:52
Coordinates
22.159, 143.542
Analysis of the recorded activity
During August 1981, 2 earthquakes were recorded near Volcano Islands. Magnitudes ranged from 4.7 to 4.7, with an average of 4.7; depths ranged from 33.0 to 171.4 km, averaging 102.2 km. Activity extended from Friday, August 14, 1981 to Monday, August 17, 1981 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.7
171.4 km
Volcano Islands, Japan region
17 Aug 1981 21:12:52 UTC
4.7
33.0 km
Volcano Islands, Japan region
14 Aug 1981 05:42:24 UTC