2
Recorded earthquakes
region
October 1977
Izu Islands earthquakes in October 1977
Earthquake archive for Izu Islands in October 1977: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.8
Strongest magnitude
4.7
Average magnitude
31.0 km
Average depth
Strongest event
4.8
11 Oct 1977
Izu Islands, Japan region
Depth
61.0 km
UTC
11:53:55
Coordinates
31.387, 140.893
Analysis of the recorded activity
During October 1977, 2 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.6 to 4.8, with an average of 4.7; depths ranged from 1.0 to 61.0 km, averaging 31.0 km. Activity extended from Tuesday, October 11, 1977 to Monday, October 31, 1977 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.8
61.0 km
Izu Islands, Japan region
11 Oct 1977 11:53:55 UTC
4.6
1.0 km
Izu Islands, Japan region
31 Oct 1977 02:53:48 UTC