2
Recorded earthquakes
region
August 1991
San Juan earthquakes in August 1991
Earthquake archive for San Juan in August 1991: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.5
Strongest magnitude
4.4
Average magnitude
74.5 km
Average depth
Strongest event
4.5
22 Aug 1991
San Juan, Puerto Rico
Depth
33.0 km
UTC
08:16:40
Coordinates
19.591, -63.341
Analysis of the recorded activity
During August 1991, 2 earthquakes were recorded near San Juan. Magnitudes ranged from 4.4 to 4.5, with an average of 4.5; depths ranged from 33.0 to 116.0 km, averaging 74.5 km. Activity extended from Saturday, August 17, 1991 to Thursday, August 22, 1991 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.5
33.0 km
San Juan, Puerto Rico
22 Aug 1991 08:16:40 UTC
4.4
116.0 km
San Juan, Argentina
17 Aug 1991 14:56:01 UTC