Prof. Shawn Wilsey is doing a livedstream analysis on this on YouTube...
https://www.youtube.com/live/ixmgd8xyPtM?feature=shared
https://earthquake.usgs.gov/earthquakes/map/?extent=-26.74561,-131.13281&extent=73.57817,-58.71094&map=false
A few what appear to be aftershocks so far...