CNN The Situation Room April 2, 2014 21:47:00
1887, therefore seismologists recognized it was due. >> reporter: it could be just a fore shock. experts say an even larger quake could strike chile. they just don't know when. it's the sight of the most powerful earthquake ever reported, a 9.5 magnitude in 1960 that killed thousands and it's in the world's most dangerous quake zone, the ring of fire, an arc of fault lines circling the pacific basin that's prone to earthquakes. in that ring, southern california, where multiple quakes and dozens of aftershocks in recent weeks shook buildings and nerves. >> yep. we're having an earthquake. >> re...