nerves. >> they're going to have to be very vigilant. we've been talking to a geocity cyst with usgs, and paul caruso in golden, colorado, he said we expect the aftershocks to continue for a couple weeks. and like to your point, tom, he said they've been occurring so fast he's having trouble keeping count. in the last 15 minutes where we had spoken to him, there were five earthquakes alone. is there anything to deduce from that? a couple years ago, there is a network in italy, they were mountain out, but whether you have this many, and again i haven't seen this earthquake where the swarm is afterwards --