Preferably centered in DC and San Francisco.
“”Send them volcanoes, oh Most Merciful. Oh Allah, send them a powerful earthquake.”
Preferably centered in DC and San Francisco”
Powerful earthquake in San Francisco yes, the plate there is already fractured and thus easily contains an Earth quake to that general area.
Washington D.C on the other hand is in the middle of the north American plate a powerful Earth quake there would do signification damage to many of the eastern States northern and southern.