4
Recorded earthquakes
city
1977
Alajuela earthquakes in 1977
Earthquake archive for Alajuela in 1977: 4 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.9
Strongest magnitude
4.7
Average magnitude
48.0 km
Average depth
Strongest event
4.9
07 Apr 1977
Alajuela, Costa Rica
Depth
33.0 km
UTC
17:27:32
Coordinates
10.061, -84.350
Analysis of the recorded activity
During 1977, 4 earthquakes were recorded near Alajuela. Magnitudes ranged from 4.5 to 4.9, with an average of 4.7; depths ranged from 33.0 to 59.0 km, averaging 48.0 km. Activity extended from Friday, April 1, 1977 to Saturday, December 3, 1977 UTC.
Only 4 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.9
33.0 km
Alajuela, Costa Rica
07 Apr 1977 17:27:32 UTC
4.8
59.0 km
Alajuela, Costa Rica
03 Dec 1977 12:24:06 UTC
4.6
48.0 km
Puntarenas, Costa Rica
01 Apr 1977 16:15:33 UTC
4.5
52.0 km
Puntarenas, Costa Rica
11 Nov 1977 04:29:25 UTC