Event Date : 10-01-2015
Location : South Carolina, USA
Report Date : 12-19-2016
Event Category: Flood
Sequence of Events: No
Flood Magnitude: Up to 1000 year depending on watershed
Report Number: GEER-052
DOI: doi:10.18118/G6X300
Event Latitude: 33.9980
Event Longitude: -81.0502
Collaborators: Georgia Institute of Technology; Clemson University; Division of Dam Safety and Inspections, FERC; Geosyntec Consultants, Inc.
Contributors: Hermann M. Fritz (Team Leader), Ronald Andrus, Alejandro Martinez, Fikret Atalay, Barnabas Bwambale Jeremy Varner, Thomas Bristol, Brandon Mogan, Melissa Setz, Robert Bachus, Glenn Rix, Njoroge Wainaina
Summary: Offshore category 4 Hurricane Joaquin resulted in record-shattering rains and flooding across South Carolina. Several areas of South Carolina saw precipitation accumulations exceeding the threshold for a 1-in- 1,000-year event from October 1 to 5, 2015. The subsequent floods caused inundations throughout the state with areas around Charleston and Columbia hardest-hit and killed 19 people. The damage in South Carolina alone is estimated at $12 billion. In total 52 dams are known to have failed in the historic flooding event. The GEER team visited a dozen dams within a week of the event.
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Report Version 1 12-19-2016
The work of the GEER Association, in general, is based upon work supported in part by the National Science Foundation through the Geotechnical Engineering Program under Grant No. CMMI-1266418. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the NSF. The GEER Association is made possible by the vision and support of the NSF Geotechnical Engineering Program Directors: Dr. Richard Fragaszy and the late Dr. Cliff Astill. GEER members also donate their time, talent, and resources to collect time-sensitive field observations of the effects of extreme events.