Randy Cumbest
Senior Principal Geologist

Probabilistic Seismic Hazard Analysis (PSHA)
Site response
Structural geology
Geologic mapping
Geophysics

Dr. Cumbest joined LCI in 2011 and has over 30 years of experience performing geologic and geophysical evaluations at site and regional scales for multiple facilities. These activities included design, implementation and oversight, including interpretation and modeling involving several geophysical and geologic techniques under rigorous Quality Assurance Programs. Recent work includes PSHA and site response calculations for critical infrastructure projects including nuclear power and hydroelectric facilities. In addition, Randy has served as technical lead for fault characterization studies at Savannah River Site, a large US Department of Energy facility.

Key Projects:
Oroville Emergency Response and Recovery, California Department of Water Resources
Probabilistic Seismic Hazard Analysis – Duke Catawba NS
Geologic and Seismic Studies for Combined Operating License (COL) Application – Duke Lee Site
Seismic Hazard Evaluation, Palo Verde Nuclear Generating Station, Arizona
Power Block Excavation and Reconnaissance Mapping for Combined Operating License – South Carolina Electric and Gas, V. C. Summer Nuclear Station