2
Recorded earthquakes
region
October 1977
Bonin Islands earthquakes in October 1977
Earthquake archive for Bonin Islands in October 1977: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.6
Average magnitude
271.0 km
Average depth
Strongest event
4.9
05 Oct 1977
Bonin Islands, Japan region
Depth
33.0 km
UTC
03:14:27
Coordinates
28.715, 142.381
Analysis of the recorded activity
During October 1977, 2 earthquakes were recorded near Bonin Islands. Magnitudes ranged from 4.2 to 4.9, with an average of 4.6; depths ranged from 33.0 to 509.0 km, averaging 271.0 km. Activity extended from Wednesday, October 5, 1977 to Monday, October 24, 1977 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
33.0 km
Bonin Islands, Japan region
05 Oct 1977 03:14:27 UTC
4.2
509.0 km
Bonin Islands, Japan region
24 Oct 1977 03:09:10 UTC