

Virtual Conference
METHODS AND CASE HISTORIES FOR CHARACTERIZATION OF POTENTIAL
GEOLOGIC AND SEISMIC HAZARDS
March 15-17, 2022
8:00am-12:30pm Pacific Time Each Day

Symposium Schedule
Convened By:
Gerry L. Stirewalt and Courtney Johnson
Day 1: March 15, 2022
8:00 - 8:45am Keynote Address: Lessons Learned from Implementation of the SSHAC Process over 25 Years of Hazard Studies
Coppersmith, Kevin and Ryan, Coppersmith Consulting, kevin@coppersmithconsulting.com; ryan@coppersmithconsulting.com
8:45 - 9:15am Seismic and Volcanic Hazard Studies for SSHAC and PVHA Evaluations at Existing Nuclear Power Stations in Taiwan
Clahan, Kevin, Lettis Consultants International, clahan@lettsci.com
9:15 - 9:45am Empirical Analysis of Landslide Runout in Glacial Strata in the Eastern Puget Lowlands, Washington
Molinari, Mark, GeoEngineers, mmolinari@geoengineers.com; Carla Woodworth, cwoodworth@geoengineers.com;
Cody Gibson, cgibson@geoengineers.com; Michelle Deng, mdeng@geoengineers.com
9:45 - 10:15am The 2021 National Landslide Hazards Act and Implications for Federal Land Management Agencies
Carpenter, Lynne, USDA Forest Service, Minerals & Geology Management, Geologic Hazards Program Lead,
lynne.chastain-carpenter@usda.gov
10:15-10:30am Break
10:30 - 11:00am Landslide Dams and Historic Outbreak Flood Events, Community of Montecito, Southern Santa Barbara County, California
Rogers, J. David, The Project for Resilient Communities (TPRC), rogersda@mst.edu; Larry D. Gurrola, lg@larrygurrola.com
11:00 - 11:30am Flood and Debris Flow History of the Montecito Watersheds, Santa Barbara County, California
Gurrola, Larry D., The Project for Resilient Communities (TPRC), lg@larrygurrola.com; J. David Rogers, rogersda@mst.edu
11:30am-12:00pm Revisiting the Forgotten Volcano: Volcanic History and Hazards of Mount Adams
Pope, Isaac, Centralia College, isaac.pope@student.centralia.edu
12:00-12:30pm Mountain Tunnel Access Roadway Improvements
Schick, James, McMillen Jacobs Associates, schick@mcmjac.com; Joe Buitrago, jbuitrago@sfwater.org;
David Tsztoo, DTsztoo@sfwater.org
Day 2: March 16, 2022
8:00 - 8:30am Remote Methods for Rockfall Hazard Mapping in the Arequipa Region of Peru
Grady, Cassidy, Colorado School of Mines, clgrady@mines.edu; Paul Santi, psanti@mines.edu;
Gabriel Walton, gwalton@mines.edu; Percy Colque, scolquer@unsa.edu.pe; Pablo Meza, pmezaa@unsa.edu.pe
8:30 - 9:00am Characterizing Potential for Seepage and Internal Erosion on Karst Foundation using a Holistic, Data-Based Approach
Huebner, Matthew, Tennessee Valley Authority, mthuebner@tva.gov; Joshua Shinpaugh, jeshinpaugh0@tva.gov;
Husein Hasan, hahasan@tva.gov; Jeffrey Munsey, jwmunsey@tva.gov
9:00 - 9:30am Assessing Karst Hazard for a Proposed Nuclear Power Plant Site in the Valley and Ridge of Tennessee
Sowers, Janet, FUGRO, j.sowers@fugro.com; David Fenster, rockpic001@gmail.com
9:30 - 10:00am The 1811-1812 New Madrid Earthquakes: Then & Now
Steckel, Phyllis, Earthquake Insight LLC, psteckel@charter.net
10:00-10:30am Break
10:30 - 11:00am Glauconitic Sand: A New Geohazard for Offshore Wind?
Westgate, Zack, University of Massachusetts at Amherst, zwestgate@umass.edu
11:00 - 11:30am Unlocking the Black Box - What Geotechnical Engineers Do with Geologic Input
Johnson, Courtney, Slate Geotechnical Consultants, Inc., cjohnson@slategeotech.com
11:30am-12:00pm Evaluation of Non-liquefiable Soil Layer Impact on Liquefaction Surface Manifestation in Dyer County, Tennessee
Tohidi, Hamed, The University of Memphis, htohidi@memphis.edu; David Arellano, darellan@memphis.edu;
Chris Cramer, ccramer@memphis.edu; Roy Van Arsdale, rvanrsdl@memphis.edu;
Renee Reichenbacher, renee.reichenbacher@gmail.com
12:00-12:30pm Addressing Uncertainty Through an Open, Collaborative Database of Liquefaction Case Histories
Ulmer, Kristin, Southwest Research Institute, kulmer@swri.org; Thomas Weaver, thomas.weaver@nrc.gov;
John Stamatakos, jstamatakos@swri.org; Miriam Juckett, mjuckett@swri.org
Day 3: March 17, 2022
8:00 - 8:45am Keynote Address: 50 Years of Paleoseismology
McCalpin, James, mccalpin@geohaz.com
8:45 - 9:15am Recently Identified Plate Boundary Thrust Fault in Southern Papua New Guinea Produced Repeated Large Earthquakes
That May Have Impacted Late Holocene Trade
Whitney, Beau, Whitney Geologic and FUGRO France SAS, beau@whitneygeologic.com; James Hengesh, hengesh@igeohaz.com; Frédéric Rossi, f.rossi@fugro.com; Cédric Duvail, c.duvail@fugro.com; Önder Yönlü, o.yonlu@fugro.com;
Manel Labidi, m.labidi@fugro.com
9:15 - 9:45am Recurrence of Large Upper Plate Earthquakes in the Salish Lowland, Washington State
Sherrod, Brian, US Geological Survey, bsherrod@usgs.gov; Richard Styron, richard.h.styron@gmail.com;
Stephen Angster, sangster@usgs.gov
9:45 - 10:15am Evolution of a Site-specific Seismic Hazard Study in Northwestern Oregon, USA
Redwine, Joanna, Bureau of Reclamation, jredwine@usbr.gov; Ralph E. Klinger, rklinger@usbr.gov
10:15-10:30am Break
10:30 - 11:00am Geologic and Geotechnical Considerations for Rational Interpretation of Lateral Spreading Case Histories
Ziotopoulou, Katerina, University of California - Davis, kziotopoulou@ucdavis.edu; Renmin Pretell, rpretell@ucdavis.edu;
Craig Davis, cadavisengr@yahoo.com
11:00 - 11:30am Initial Results from Paleoliquefaction Investigations in Virginia and North Carolina of the Southeastern United States
Carter, Mark W., U.S. Geological Survey, mcarter@usgs.gov; Martitia P. Tuttle, mptuttle@earthlink.net;
Shannon Mahan, smahan@usgs.gov; Arthur J. Merschat, amerschat@usgs.gov
11:30am-12:00pm Surface Rupture from the 9 August 2020, Mw 5.1 Sparta, North Carolina Earthquake: Initial Field Observations, Integrated Remotely Sensed Data, and Connections to Bedrock and Surficial Geology
Merschat, Arthur J., U.S. Geological Survey, amerschat@usgs.gov; Mark W. Carter, mcarter@usgs.gov;
Kevin G. Stewart, kgstewar@email.unc.edu; Jesse S. Hill, Jesse.Hill@ncdenr.gov; Paula M. Figueiredo, paula_figueiredo@ncsu.edu; Ashley Lynn, alynn@email.unc.edu
12:00-12:30pm The Role of Paleoseismic Investigations in the Engineering of Pipeline Fault Crossings
Hengesh, James, Interface Geohazard Consulting, hengesh@igeohaz.com