Context: On August 31, 1886, Charleston was nearly destroyed by an earthquake. The shock was estimated to have a moment magnitude of 7.0 and a maximum Mercalli intensity of X (Extreme). It was felt as far away as Boston to the north, Chicago and Milwaukee to the northwest, as far west as New Orleans, as far south as Cuba, and as far east as Bermuda. It damaged 2,000 buildings in Charleston and caused $6 million worth of damage ($133 million in 2006 dollars), at a time when all the city's buildings were valued around $24 million ($531 million in 2006 dollars).

Question: What nearly destroyed Charleston in 1886?
Answer: an earthquake

Question: What date was the Charleston earthquake of 1886?
Answer: August 31, 1886

Question: How many buildings were damaged by the 1886 earthquake in Charleston?
Answer: 2,000 buildings

Question: What was the cost of the damage of the 1886 earthquake to the city of Charleston?
Answer: $6 million

Question: What was the total value of all of Charleston's city buildings before the earthquake?
Answer: $24 million

Question: What nearly destroyed Charleston in 1868?
Answer: Unanswerable

Question: What date was the Charleston earthquake of 1868?
Answer: Unanswerable

Question: How many buildings were damaged by the 1868 earthquake in Charleston?
Answer: Unanswerable

Question: What was the cost of the damage of the 1868 earthquake to the city of Charleston?
Answer: Unanswerable

Question: What was the total value of some of Charleston's city buildings before the earthquake?
Answer: Unanswerable