3
Recorded earthquakes
region
August 1977
Izu Islands earthquakes in August 1977
Earthquake archive for Izu Islands in August 1977: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.4
Average magnitude
164.7 km
Average depth
Strongest event
4.6
30 Aug 1977
Izu Islands, Japan region
Depth
428.0 km
UTC
02:02:53
Coordinates
29.762, 139.389
Analysis of the recorded activity
During August 1977, 3 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.1 to 4.6, with an average of 4.4; depths ranged from 33.0 to 428.0 km, averaging 164.7 km. Activity extended from Sunday, August 21, 1977 to Tuesday, August 30, 1977 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
428.0 km
Izu Islands, Japan region
30 Aug 1977 02:02:53 UTC
4.5
33.0 km
Izu Islands, Japan region
21 Aug 1977 03:39:24 UTC
4.1
33.0 km
Izu Islands, Japan region
27 Aug 1977 18:56:58 UTC