2
Recorded earthquakes
region
September 1977
Izu Islands earthquakes in September 1977
Earthquake archive for Izu Islands in September 1977: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.8
Average magnitude
103.0 km
Average depth
Strongest event
4.9
20 Sep 1977
Izu Islands, Japan region
Depth
33.0 km
UTC
13:34:00
Coordinates
31.117, 142.470
Analysis of the recorded activity
During September 1977, 2 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.8 to 4.9, with an average of 4.9; depths ranged from 33.0 to 173.0 km, averaging 103.0 km. Activity extended from Saturday, September 17, 1977 to Tuesday, September 20, 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
Izu Islands, Japan region
20 Sep 1977 13:34:00 UTC
4.8
173.0 km
Izu Islands, Japan region
17 Sep 1977 10:47:21 UTC