Security footage shows bottles come crashing down in a Cayman Islands store as a magnitude 7.7 earthquake hit the Caribbean. https://abcn.ws/37ExGej | ABC World News Tonight with David Muir

Watch the waves from the M7.7 Caribbean earthquake roll across the USArray Transportable Array seismic network (http://www.usarray.org )! This animation, called a Ground Motion Visualization (GMV), shows the motion of the ground as detected on USArray seismometers - each dot is a seismic station and when the ground moves up it turns red and when it moves down it turns blue. Waves generated by an earthquake travel around and through the earth, but they get smaller (attenuate) as they move away fr

The moment a 7.7-magnitude earthquake struck near the Cayman Islands in the Caribbean Sea has been captured on CCTV footage, as the tremors sent a shelf of bottles in a grocery store crashing to the floor. (via storyful) | Yahoo News Australia