Ian McGregor
Lettis Consultants International, Inc., Concord, CA
Activity
2025
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SITE-SPECIFIC SEISMIC HAZARD ANALYSIS OF DEL VALLE DAM AND THE IMPACT OF LOCAL FAULT SOURCES
30 Earthquake Hazards in Applied GeologyFriday, 4 April 20258:00 AM - 12:00 PMGranada/Hermosa
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PROBABILISTIC FAULT DISPLACEMENT HAZARD ANALYSES FOR CALIFORNIA DWR DAMS INFORM SEMI-QUANTITATIVE RISK ASSESSMENTS
30 Earthquake Hazards in Applied GeologyFriday, 4 April 20258:00 AM - 12:00 PMGranada/Hermosa
2024
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QUATERNARY GEOLOGIC MAPPING, GEOCHRONOLOGY, AND STRUCTURAL MODELING OF QUATERNARY ACTIVE FAULTS IN THE SANTA MARIA BASIN, SAN LUIS OBISPO AND SANTA BARBARA COUNTIES CALIFORNIA
T268 Spatial and Temporal Evolution of Fault Zones (Posters)Wednesday, 25 September 20248:00 AM - 5:30 PMHall D
2023
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CHARACTERIZATION OF LATE PLEISTOCENE DEFORMATION AT THE NORTHERN BOUNDARY OF THE TRANSVERSE RANGES IN CALIFORNIA FROM RECONSTRUCTION, KINEMATIC MODELING, AND LUMINESCENCE DATING OF THE ORCUTT FORMATION
19 Strike-Slip Faulting, Flower Structures, Plutons, and Tiltmeters: A Tribute to the Career of Arthur Sylvester (Posters)Thursday, 18 May 20238:00 AM - 6:00 PMCargo Room
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VARIABLE AMOUNTS AND RATES OF FLUVIAL AND MARINE TERRACE DEFORMATION IN THE WESTERN TRANSVERSE RANGES OF CALIFORNIA SUGGEST THAT SLIP RATES ON SOME OF THE FAULTS HAVE CHANGED SIGNIFICANTLY OVER THE PAST 100 KYR
11 Strike-Slip Faulting, Flower Structures, Plutons, and Tiltmeters II: A Tribute to the Career of Arthur SylvesterWednesday, 17 May 20231:30 PM - 5:00 PMWhitney Peak Ballroom 1