4
Recorded earthquakes
region
August 1985
Izu Islands earthquakes in August 1985
Earthquake archive for Izu Islands in August 1985: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.5
Average magnitude
339.0 km
Average depth
Strongest event
4.9
20 Aug 1985
Izu Islands, Japan region
Depth
442.2 km
UTC
17:28:14
Coordinates
30.364, 138.096
Analysis of the recorded activity
During August 1985, 4 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.1 to 4.9, with an average of 4.5; depths ranged from 50.0 to 442.7 km, averaging 339.1 km. Activity extended from Thursday, August 8, 1985 to Tuesday, August 20, 1985 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
442.2 km
Izu Islands, Japan region
20 Aug 1985 17:28:14 UTC
4.8
50.0 km
Izu Islands, Japan region
08 Aug 1985 14:59:21 UTC
4.1
421.3 km
Izu Islands, Japan region
15 Aug 1985 09:41:55 UTC
4.1
442.7 km
Izu Islands, Japan region
09 Aug 1985 14:58:24 UTC