[Fiji Hill]

Earthquakes do occur in that part of the country. A big one destroyed Charleston, SC in 1886.

[HangnJudge]

Unexploded munitions from Fort Sumter?

[moovova]

"A big one destroyed Charleston, SC in 1886."

While I would never want to be in a situation requiring earthquake bolts...they do add a nice touch to those old Charleston houses...