4
Recorded earthquakes
region
April 1977
Volcano Islands earthquakes in April 1977
Earthquake archive for Volcano Islands in April 1977: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.5
Strongest magnitude
4.7
Average magnitude
94.8 km
Average depth
Strongest event
5.5
11 Apr 1977
Analysis of the recorded activity
During April 1977, 4 earthquakes were recorded near Volcano Islands. Magnitudes ranged from 4.1 to 5.5, with an average of 4.7; depths ranged from 33.0 to 280.0 km, averaging 94.8 km. Activity extended from Monday, April 11, 1977 to Tuesday, April 12, 1977 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
5.5
33.0 km
Volcano Islands, Japan region
11 Apr 1977 22:56:45 UTC
4.6
33.0 km
Volcano Islands, Japan region
11 Apr 1977 17:15:00 UTC
4.5
33.0 km
Volcano Islands, Japan region
11 Apr 1977 19:57:44 UTC
4.1
280.0 km
Volcano Islands, Japan region
12 Apr 1977 07:09:52 UTC