5
Recorded earthquakes
region
October 1985
Izu Islands earthquakes in October 1985
Earthquake archive for Izu Islands in October 1985: 5 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.6
Average magnitude
194.5 km
Average depth
Strongest event
4.9
31 Oct 1985
Izu Islands, Japan region
Depth
33.0 km
UTC
23:37:21
Coordinates
30.759, 141.492
Analysis of the recorded activity
During October 1985, 5 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.4 to 4.9, with an average of 4.6; depths ranged from 33.0 to 443.1 km, averaging 194.5 km. Activity extended from Friday, October 4, 1985 to Thursday, October 31, 1985 UTC.
Only 5 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
33.0 km
Izu Islands, Japan region
31 Oct 1985 23:37:21 UTC
4.8
430.2 km
Izu Islands, Japan region
04 Oct 1985 07:07:47 UTC
4.6
443.1 km
Izu Islands, Japan region
17 Oct 1985 01:44:32 UTC
4.5
33.0 km
Izu Islands, Japan region
15 Oct 1985 15:04:36 UTC
4.4
33.0 km
Izu Islands, Japan region
12 Oct 1985 18:30:25 UTC