3
Recorded earthquakes
city
1999
San Juan earthquakes in 1999
Earthquake archive for San Juan in 1999: 3 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.5
Strongest magnitude
4.2
Average magnitude
54.3 km
Average depth
Strongest event
4.5
07 Aug 1999
Arecibo, Puerto Rico
Depth
63.4 km
UTC
12:35:32
Coordinates
18.762, -66.864
Analysis of the recorded activity
During 1999, 3 earthquakes were recorded near San Juan. Magnitudes ranged from 4.0 to 4.5, with an average of 4.2; depths ranged from 7.6 to 91.8 km, averaging 54.3 km. Activity extended from Tuesday, January 12, 1999 to Saturday, August 7, 1999 UTC.
Only 3 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.5
63.4 km
Arecibo, Puerto Rico
07 Aug 1999 12:35:32 UTC
4.2
91.8 km
Fajardo, Puerto Rico
20 Apr 1999 05:16:29 UTC
4.0
7.6 km
Caguas, Puerto Rico
12 Jan 1999 09:59:18 UTC