Thursday, March 18, 2010

Charleston’s 1886 Earthquake

May 30, 2008 by Steve deGuzman · 2 Comments 

At 9:50 P.M. on August 31, 1886
The city of Charleston, South Carolina, was shaken by one of the largest historic seismic disturbances in eastern North America.
 The quake, estimated to have had a moment magnitude (Mw) of 7.3, caused an estimated $5 to $6 million in damage in 1886 dollars. It damaged or destroyed more than 2,000 [...]

Is Charleston due for an Earthquake?

May 30, 2008 by Steve deGuzman · 2 Comments 

Vulnerability
Most of the current residential housing stock is of woodframe construction with masonry veneer. “Manufactured housing,” which typically rests on an unreinforced foundation without anchorage, is the second most common residential building type.
Many public buildings, including schools, emergency services and fire stations, are built of unreinforced masonry – some with heavy precast concrete roofs. These [...]