2
Recorded earthquakes
region
October 1987
San Juan earthquakes in October 1987
Earthquake archive for San Juan in October 1987: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.6
Strongest magnitude
4.6
Average magnitude
21.5 km
Average depth
Strongest event
4.6
03 Oct 1987
San Juan, Puerto Rico
Depth
33.0 km
UTC
19:18:20
Coordinates
19.446, -64.699
Analysis of the recorded activity
During October 1987, 2 earthquakes were recorded near San Juan. Magnitudes ranged from 4.5 to 4.6, with an average of 4.6; depths ranged from 10.0 to 33.0 km, averaging 21.5 km. Activity extended from Saturday, October 3, 1987 to Thursday, October 29, 1987 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.6
33.0 km
San Juan, Puerto Rico
03 Oct 1987 19:18:20 UTC
4.5
10.0 km
San Juan, Argentina
29 Oct 1987 10:40:49 UTC