Clinch River Nuclear Site near Oak Ridge, Tennessee
Lettis Consultants International, Inc. is part of the geologic and seismic hazard team working on the Clinch River Nuclear Site near Oak Ridge, Tennessee. The project recently submitted an Early …
Recent News & Publications
William B. Joyner Memorial Lecturer for 2017
12 December 2016 – William R. Lettis has been selected as the William B. Joyner Memorial Lecturer for 2017. Lettis founded William Lettis & Associates, Inc. in 1990 and Lettis …
LiDAR Based Fault Mapping in Southern Owens Valley, California
Chris Kemp of LCI has authored a technical paper titled “LiDAR Based Fault Mapping in Southern Owens Valley, California.” Chris’s co-authors are Scott Lindvall, also of LCI, Christopher Heron of …
Fault Rupture Hazard Assessment for North Haiwee Dam No. 2, Owens Valley, California
Chris Kemp and Scott Lindvall of LCI are co-authors on a technical paper titled “Fault Rupture Hazard Assessment for North Haiwee Dam No. 2, Owens Valley, California” with lead author …
Confirmation of the southwest continuation of the Cat Square terrane, southern Appalachian Inner Piedmont, with implications for middle Paleozoic collisional orogenesis
Matthew Huebner of LCI has authored a technical paper entitled, “Confirmation of the southwest continuation of the Cat Square terrane, southern Appalachian Inner Piedmont, with implications for middle Paleozoic collisional …
Spectral Variability and Its Relationship to Structural Response Estimated from Scaled and Spectrum-Matched Ground Motions
Andy Seifried of LCI has co-authored a technical paper titled, “Spectral Variability and Its Relationship to Structural Response Estimated from Scaled and Spectrum-Matched Ground Motions” with Jack Baker of Stanford …
Estimation of κ0 Implied by the High‐Frequency Shape of the NGA‐West2 Ground‐Motion Prediction Equations
Arash Zandieh of LCI has authored a technical paper entitled, “Estimation of κ0 Implied by the High-Frequency Shape of the NGA-West2 Ground-Motion Prediction Equations”. Arash’s co-authors are Ken Campbell and …
Mr. Ivan Wong joined our team as a Principal Seismologist
LCI is pleased to announce that Mr. Ivan Wong has joined our team as a Principal Seismologist. Ivan is a nationally and internationally recognized expert in seismic hazard and seismic …
Geotechnical Field Reconnaissance: Gorkha (Nepal) Earthquake of April 25 2015 and Related Shaking Sequence
Kevin Clahan of LCI participated on the recent Geotechnical Extreme Event Response (GEER) team to the Gorkha Earthquake in Nepal. LCI’s internal research funding program provided the means for Mr. …
USGS Research Grant to study the Calculation of site effects of Strong Ground Motion
Andrew Seifried and Gabriel Toro of LCI were awarded a USGS research grant to study the calculation of site effects of strong ground motion. Each year the USGS Earthquake Hazards …