Another earthquake centered outside Florida was the 1886 Charleston earthquake.

The Winterthur Library Overview of an archival collection on the Charleston earthquake.

It is possible that the north and south porticos were enclosed to increase office space in repairs after the 1886 Charleston earthquake.

The 1886 Charleston earthquake (magnitude 6.6 to 7.3) was felt in DC.

On August 31, 1886, the Charleston earthquake caused the tower to "sway violently", according to the keeper's log, but there was no recorded damage.

The house was damaged in the 1886 Charleston earthquake.

Reportedly, the "shaking rock" was knocked to the earth by the 1886 Charleston earthquake.

Three years later, the Charleston earthquake toppled the walls of the main house and north flanker and further damaged the gardens.

In 1886, it suffered damage from the 1886 Charleston earthquake.

At 7.3 magnitude, the Charleston earthquake of 1886 was the largest quake to ever hit the Eastern United States.