Answer: To locate the epicenter of an earthquake, scientists must have seismograms from at least three seismic stations.
Explanation: I hope this helps:)
No tsunami warning system was in place. Due to the relative poverty of the region, there was no good way to warn the citizens. So C
From north to south...
Maine, New Hampshire, Massachusetts, Connecticut, Philadelphia, Rhode Island, New York, Delaware, Maryland, Virginia, North & South Carolina, Georgia, and Florida all border the east coast.