Structural engineers will begin rappelling down all four faces of the Washington Monument Tuesday to check for any external damage that might have been caused by last month's earthquake.
At a press conference Monday afternoon, National Park Service officials announced that a preliminary inspection had been completed on the monument's interior. The Park Service also released a surveillance video taken during the Aug. 23 earthquake, which showed pieces of stone falling in the obelisk's interior while visitors scrambled for safety.
The Park Service, citing safety concerns, said that there is no timetable for reopening the landmark to visitors and added that dozens of pieces of stone fell inside the monument during and after the earthquake.
Engineers told NBC4's Derrick Ward that most of the damage was done to the top of the monument, where several cracks formed. National Park Service spokesman Bill Line told the Associated Press that the cracks will need to be temporarily filled in as part of the monument's annual winterizing process.
The 5.8-magnitude earthquake was centered near Mineral, Va., and shook cities up and down the East Coast. In addition to damaging the Washington Monument, the quake also caused significant damage to the Washington National Cathedral.
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