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SUMMARY:GeoExtreme 2025: Palos Verdes Field Trip with Tim Stark
DESCRIPTION:Palos Verdes Peninsula Landslides w/Tim Stark \nTitle: Engineering on the Edge: History\, Hazards\, and Innovation at the Portuguese Bend Landslide \nOverview:\nThis technical field tour invites geotechnical engineers\, geologists\, researchers\, and policy professionals to examine the Portuguese Bend Landslide\, one of the most complex and historically significant landslide systems in North America. Situated on the Palos Verdes Peninsula\, the landslide has been active for over 70 years\, triggered by mid-20th century development activities. This tour highlights both the evolving scientific understanding and the municipal response to living atop a moving landscape. \nHistorical Emphasis: \nThe Portuguese Bend Landslide began accelerating in 1956 following residential grading and road construction that may have altered surface and subsurface hydrology. Since then\, the area has seen continuous movement of up to 5 feet per year\, with significant impacts on homes\, infrastructure\, and public policy. \nLandslide movement was accelerated by heavy rains over the past few years.  The moving portions of the landslide had doubled in area (600+ acres) and locally accelerated movement to 50 foot per year.  The City with the help of its technical consultants have found ways to decelerate this dramatic movement by keeping water from entering the landslide complex while draining up to 1 million gallons per day from under the deep slip planes. \nThe site has served as a living laboratory for decades of research\, legal precedent\, and engineering experimentation. This tour will trace the history of the landslide from its initiation to present-day monitoring and management efforts. \nTour Objectives: \n\nAnalyze the historical development and progression of the landslide over the past seven decades.\nExamine the geological and hydrological conditions underlying the slope failure.\nUnderstand engineering mitigation techniques\, both historical and current.\nEvaluate the policy and planning implications of long-term ground movement.\n\nItinerary Highlights: \n\n\n\nHistorical Timeline & Geologic Context\nA detailed overview of the landslide’s history since the initial failure in the 1950s. Presenters will walk participants through the key phases of movement\, litigation\, and land use response\, framed within the geologic setting of the Altamira Shale and bentonite shear layers.\nOn-Site Field Observations\nGuided visits to deformation hotspots along Palos Verdes Drive South. Participants will observe road realignments\, displaced utilities\, cracked foundations\, and sheared ground surfaces. Discussion will include the legacy of early engineering responses and the physical evidence of long-term displacement.\nMonitoring and Instrumentation Systems\nReview of the monitoring program developed over decades\, including subsurface instrumentation and recent advancements in surveys. Participants will be briefed on historical movement data to understand velocity trends and acceleration events.\nEngineering Interventions & Lessons Learned\nPresentations by consulting engineers on historical and current attempts at slope stabilization\, drainage improvements\, and adaptive infrastructure design. Emphasis will be placed on what has—and has not—worked over time.\nDiscussion & Forward-Looking Perspectives\nOpen discussion on how historical understanding informs future slope stability projects\, urban planning in hazard zones\, and academic research directions.\n\n\n\nDuration: 5-6 hours\, 9am-2/3pm \nLunch: Provided \nIntended Audience: Engineers\, geoscientists\, academic researchers\, policy makers\, and urban planners \nPresenters: \n\n\n\nNeven Matasovic\, Geo-Logic\nTravis Deane\, Shannon & Wilson\nTim Stark\, PhD PE \n\n\n\nSafety & Access: Even though limited to publicly-accessible areas\, terrain tour may include walking over unstable and uneven areas. Attendees should wear appropriate field gear. Tour route may be adjusted due to current landslide (reserve) conditions and/or weather.
URL:https://lageoinstitute.org/event/geoextreme-2025-field-trip/
LOCATION:Hyatt Regency Long Beach\, 200 S Pine Ave\, Long Beach\, CA\, 90802\, United States
ATTACH;FMTTYPE=image/png:https://lageoinstitute.org/wp-content/uploads/2025/09/GeoExtreme-Field-Trip.png
ORGANIZER;CN="ASCE Geo-Institute Los Angeles":MAILTO:asce.lagi@gmail.com
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DTSTART;TZID=America/Los_Angeles:20260205T170000
DTEND;TZID=America/Los_Angeles:20260205T200000
DTSTAMP:20260617T151004
CREATED:20251205T182628Z
LAST-MODIFIED:20260204T173511Z
UID:1618-1770310800-1770321600@lageoinstitute.org
SUMMARY:ASCE-GI Cross Country Lecture w/Dr. Carlos Santamarina
DESCRIPTION:Join us on February 5\, 2026 at University of California\, Irvine for dinner\, networking and a presentation on: \n“Geotechnical Engineering in the Information Age: From Properties to Analysis & Design” \nWe are entering a transformative era in geotechnical engineering. For more than a century\, our field has advanced through careful observation\, physical insight\, and methodical testing. Today\, it faces a new landscape: pervasive sensing\, advanced imaging and visualization\, autonomous data collection\, intelligent algorithms\, vast computational power\, and instantaneous information sharing. These unprecedented capabilities are catalysts for reimagining how we explore the subsurface\, characterize geomaterials\, and design in an increasingly complex world. As these rapid developments reshape our field\, we must ensure that innovation strengthens\, rather than erodes\, the physical intuition that underpins our discipline\, which can be threatened by overreliance on data-driven methods. The coming era invites us to rethink long-held assumptions and embrace a more integrated and anticipatory form of geotechnical engineering that is more adaptive and ultimately more equitable. The opportunity before us is clear: to elevate the quality and global consistency of geotechnical engineering everywhere and to set the stage for a new century of informed\, innovative practice capable of addressing emerging challenges. \nCarlos Santamarina is Professor and Clough Chair at Georgia Tech. He earned his undergraduate degree from Universidad Nacional de Córdoba and completed graduate studies at the University of Maryland and Purdue University. He has held faculty positions at NYU-Poly\, the University of Waterloo (Canada)\, KAUST (Saudi Arabia)\, and Georgia Tech. Santamarina’s research integrates experimental and numerical approaches to study the behavior of geomaterials\, including sediments\, fractured rocks\, and complex fluids. A frequent keynote speaker\, he has delivered the Terzaghi\, Casagrande\, and Bishop Lectures. He is a member of the Argentine National Academies and has received numerous honors\, including ASTM’s Hogentogler Award\, the Korean Geotechnical Society Award\, and Saudi Arabia’s Tarek Al-Qasabi Award. \nProgram: \n5:15-6:15pm: Dinner with open bar sponsored by Keller – enter the ISEB through either front or back entrance\, registration is in lobby. \n6:15pm: Opening remarks \n6:30-7:30pm: Presentation \n7:30pm: Q&A \n \nThank you to our Sponsors: \n \n \nLocation: \nISEB 1010 (Interdisciplinary Science and Engineering Building) (https://maps.app.goo.gl/U3bfS15CDGmDGUf68) \nParking: \nPark by Plate is available at the adjacent parking lots 12 or 16 in General (Non AR) parking spots. This car park is $4/hr. Access is through E Peltason Dr. and S.Circle Drive. https://apps.parking.uci.edu/parkbyplate/s/purchase.cfm \nSponsored Parking: \nIf you don’t mind walking (~5 minutes)\, Sponsored Parking is available in the Anteater parking structure (https://map.uci.edu/?id=463#!m/367226?share) with access through East Peltason  Dr. \nHow to obtain a sponsored permit for this parking structure: \nObtain your permit at any open kiosk: Kiosk Hours – Kiosk Hours | Transportation and Distribution Services (please note that the kiosk at the Anteater Parking structure closes shortly after 5pm)\, i.e.\, if you arrive after 5\, this permit would need to be picked up at another kiosk on campus. When arriving\, please tell the attendant that you are with the reference Permit# 185868\, ASCE-GI Cross Country Lecture\, Prof. Anne Lemnitzer  \nThen proceed with the parking ticket to the parking structure and leave your car there and follow the walking directions in the map to the venue.
URL:https://lageoinstitute.org/event/asce-gi-cross-country-lecture-w-dr-carlos-santamarina/
LOCATION:University of California\, Irvine\, 419 Physical Sciences Quad\, Irvine\, CA\, 92697\, United States
CATEGORIES:Dinner meeting
ATTACH;FMTTYPE=image/png:https://lageoinstitute.org/wp-content/uploads/2025/12/ASCE-GI-Cross-Country-Lecture-Feb-2026-1.png
ORGANIZER;CN="ASCE Geo-Institute Los Angeles":MAILTO:asce.lagi@gmail.com
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DTSTART;TZID=America/Los_Angeles:20260507T130000
DTEND;TZID=America/Los_Angeles:20260507T200000
DTSTAMP:20260617T151004
CREATED:20251205T182753Z
LAST-MODIFIED:20260518T153926Z
UID:1622-1778158800-1778184000@lageoinstitute.org
SUMMARY:47th Spring Seminar & 20th Kenneth L. Lee Lecture & Geo Expo
DESCRIPTION:Thank you for attending! The speaker presentations are available at the links below for reference:\n\n\n\nPresentation by Dr. Joseph Wartman on “From Susceptibility to Risk: A New Framework for Landslide Risk Assessment and Land Use Policy“ \nPresentation by Dr. Kirk Ellison on “State of Practice for Seismic Structure-Soil-Structure Interaction Analysis in California“ \nBanquet & Kenneth L. Lee Lecture by Dr. Jonathan Stewart on “Integration of Non-Ergodic Site Response into NEHRP Provisions & ASCE-7“
URL:https://lageoinstitute.org/event/2026-spring-seminar-the-queen-mary/
LOCATION:Queen Mary\, 1126 Queen’s Highway\, Long Beach\, CA\, 90802\, United States
CATEGORIES:Spring Seminar
ATTACH;FMTTYPE=image/png:https://lageoinstitute.org/wp-content/uploads/2025/12/ASCE-GI-Spring-Seminar-2026-1.png
ORGANIZER;CN="ASCE Geo-Institute Los Angeles":MAILTO:asce.lagi@gmail.com
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