3
Recorded earthquakes
region
December 1978
Izu Islands earthquakes in December 1978
Earthquake archive for Izu Islands in December 1978: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.6
Average magnitude
319.3 km
Average depth
Strongest event
4.9
25 Dec 1978
Izu Islands, Japan region
Depth
33.0 km
UTC
21:03:00
Coordinates
30.813, 141.737
Analysis of the recorded activity
During December 1978, 3 earthquakes were recorded near Izu Islands. Magnitudes ranged from 4.2 to 4.9, with an average of 4.6; depths ranged from 33.0 to 496.0 km, averaging 319.3 km. Activity extended from Friday, December 8, 1978 to Monday, December 25, 1978 UTC.
Only 3 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
25 Dec 1978 21:03:00 UTC
4.7
429.0 km
Izu Islands, Japan region
08 Dec 1978 13:08:40 UTC
4.2
496.0 km
Izu Islands, Japan region
15 Dec 1978 06:30:39 UTC