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Update time = Wed Dec 11 4:05:43 EST 2013
There are no earthquakes on this map at this time.
Northeastern US = Lamont-Doherty Cooperative Seismographic Network (LCSN)
New England Seismic Network = Weston Observatory New England Seismic Network = MIT
Ohio = The Ohio Seismic Network
Southeastern Canada = Geological Survey of Canada
Southern Ontario, Canada =The Southern Ontario Seismic Network
Central U.S. = CERI, Univ. of Memphis
National = U.S. National Seismographic Network, Golden, CO