to leave those low-lying areas. right to kathy quiano. what are you hearing and seeing from regions most at risk? we heard that the very strong quake, a magnitude 8.1 according to officials just hit the area. now, it s not clear this is an aftershock. the area has been experiencing those after the first quake hit. some residents were told went back to their homes and shopped but again moving to safer ground after this very, very strong aftershock. authorities also say they re not lifting a tsunami watch or warning yet and still telling people to stay away from the coastline if possible and higher ground. there are no reports that a tsunami watch was from the first quake but still watching and monitoring and telling people not to return to areas near the coastline so maybe their homes and their shops. kathy, how long before they know? because we can remind folks about the 2004 earthquake and subsequent tsunami. that was a 9.3 magnitude earthquake, so we re talking about