The Geological Survey originally measured the quake at magnitude 7.9, but later revised it downward to 7.6.
2 deaths have been reported, one from a fall while working, the other from a heart attack.
The largest hospital in the region, located in Puntarenas was evacuated reporting excessive damage to 6 floors of the hospital.
Several hours after the quake struck authorities canceled all tsunami warnings that included Nicaragua, Costa Rica and Panama.
Cellular, and power was out for large portions of the Central and North Pacific, many areas are still without services, as crews rush to restore power, as well checking many of the structures and homes that collapsed for anyone that may be trapped.
Numerous roads are impassable from downed power lines and debris, and a number of bridges have been reported as damaged or destroyed by people calling into TCRN.
Seismologist have been predicting a strong quake could hit this region for several years.
The Costa Rica News (TCRN)
San Jose Costa Rica