https://earthquake.usgs.gov/earthquakes/map/
bonus: click on the wireframes for animation of wave(s) propagation. http://www.geo.mtu.edu/UPSeis/waves.html
https://earthquake.usgs.gov/earthquakes/map/
bonus: click on the wireframes for animation of wave(s) propagation. http://www.geo.mtu.edu/UPSeis/waves.html