4
Recorded earthquakes
country
September 1977
Philippines earthquakes in September 1977
Earthquake archive for Philippines in September 1977: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
5.4
Strongest magnitude
5.0
Average magnitude
177.8 km
Average depth
Strongest event
5.4
12 Sep 1977
Analysis of the recorded activity
During September 1977, 4 earthquakes were recorded near Philippines. Magnitudes ranged from 4.7 to 5.4, with an average of 5.0; depths ranged from 33.0 to 589.0 km, averaging 177.8 km. Activity extended from Sunday, September 11, 1977 to Sunday, September 25, 1977 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list