Welcome to the blog and newsletter for the Association of Engineering and Environmental Geologists, Sacramento section.
Visit this site to learn more about the association’s recent news including relevant local projects, fundraising events, legislative activities, and publications. Visit the official website at aegsacto.org to RSVP to our monthly meetings or register as a member.
We hope you enjoy this new site, and let us know what you think using the comments section!
Feel free to check out a free webinar on Zoom presented by our friends with the San Joaquin Geological Society tonight, Tuesday, May 12 at 6:30PM for a talk by Rick Behl titled Sailing Through Undersea Fold and Thrust Belts for Science and Fun, Santa Barbara & Croatia: A Geo-Travellog.
Site Specific Seismic Ground Motion Hazard Analysis 6-Week Short Course Presented by Dr. Norm Abrahamson, UC Berkeley
Please join CalGeo as they launch their first on-line learning series! Dr. Norm Abrahamson will present a 6-week short course for CalGeo on Site Specific Seismic Ground Motion Hazard Analysis.
Sessions will run each Friday starting May 22nd from 11am – 12:30pm. The last session will be Friday June 26th, 2020.
All webcasts will be recorded and available on CalGeo’s new On-line Learning Library for course attendees. If you are unable to make all the live sessions, you will have full access to the online course. The online recorded course will also be available for purchase and include all sample problems and hand-outs.
The AEG Sacramento Chapter was devastated to learn of the passing of esteemed friend, colleague, and AEG Fresno Chapter Chair – Jerry DeGraff. Below, please read the description of all of Jerry’s great contributions to the profession from the AEG Insider April 9th issue. From this you can see how greatly he contributed and how deeply he will be missed. We are grateful for the many contributions to the profession and AEG. On behalf of the AEG Sacramento Chapter we offer sincerest condolences to his family, friends, students, colleagues, and the AEG Fresno Chapter.
Our colleague, dear friend, and fellow engineering geologist, Jerome (Jerry) V. DeGraff, Adjunct Professor of Geology, Fresno State University, California, passed away the night of March 26, after fighting pancreatic cancer for nearly three years. Before joining Fresno State University as an Adjunct Professor, Jerry had a long and distinguished career (1977-2014) with the United States Department of Agriculture (USDA) – Forest Service. His work with the Forest Service focused on landslide hazards as related to forest fires, risk assessment, mitigation, and landslide-related policy issues.
Jerry’s contributions to our profession are too numerous to mention. He published some 100 technical articles in peer reviewed journals, proceedings volumes, and book chapters. He co-authored several books, most notably “Principles of Engineering Geology” in 1988 and, in 2002, “Catastrophic Landslides: Effects, Occurrences and Mechanisms,” co-edited several proceedings volumes, including the proceedings of the 3rd North American Landslide Symposium, and served as a member of the Editorial Advisory Board of the Encyclopedia of Engineering Geology. Jerry provided extensive consulting service on landslides in the United States as well as Jamaica, Dominica, St. Lucia, Puerto Rico, and elsewhere in Latin America.
Jerry was a very active member of Geological Society of America (GSA), Environmental & Engineering Geology Division (EEGD) of GSA, Association of Environmental & Engineering Geologists (AEG), and International Association for Engineering Geology and the Environment (IAEG). He graciously and effectively performed extensive committee work for all of these professional societies. He was the past EEGD chair, a Jahns Lecturer, Burwell awardee (EEGD), Claire P. Holdredge Awardee (AEG), Frye committee member, GSA Councilor, Distinguished Practice awardee (EEGD), Meritorious Service awardee (EEGD), Environmental & Engineering Geoscience journal (EEG) Best Publication awardee, and Chair of the EEG Advisory Board.
Jerry’s long and distinguished record of accomplishments, commitment to detail and scientific practice, mentorship and high professional and ethical standards touched the global community directly and indirectly. His work influenced individuals around the world – his collaboration helped numerous colleagues and the results of his landslide-focused accomplishments will benefit society for years to come. Jerry will be especially remembered for his endless enthusiasm, unbridled kindness, open generosity, humanity, devoted friendship, which he shared with a caring and positive attitude, patience, laughter, smiles, and good humor — these special traits will stay with us forever.
Jerry is survived by his loving wife and devoted companion, Sandy, as well as two sons, Mark and Nick, and grandson Liam.
The Dam Safety Production Center (DSPC) is a group of technical experts within the US Army Corps of Engineers located in the Sacramento District in downtown Sacramento. We are a Division Level group and directly serve 4 districts: Sacramento, San Francisco, Los Angeles, and Albuquerque (though, any position at the Corps also provides the opportunity to work on any Corps project, US and worldwide).
This position is specifically looking for a technical expert level Engineering Geologist/Geological Engineer who has a high level of experience across all aspect of Geology from site investigation planning and execution to data analysis and design and finally to construction and engineering during construction, with a additional expertise in slope stabilization analysis, design, and construction.
If you have any questions regarding this position or the Army Corps in general, just send an Email! I have worked on a lot of interesting project with the Corps that have taken me all over the US and to Columbia!
California Governor Gavin Newsom announced on Wednesday, March 11, 2020 that California public health officials have determined mass gatherings should be postponed statewide to protect public health and slow the spread of COVID-19, also known as the Coronavirus. As a result, the Board regrets to announce that it will be cancelling the Spring 2020 administration of the ASBOG Fundamentals of Geology (FG) and Practice of Geology (PG) examinations scheduled to be held on March 20, 2020.
The Board has been consistently monitoring the situation and determined that for the health and well-being of the examination candidates, Board staff, examination proctors, and California State University, Long Beach personnel, these examinations should be cancelled. We understand the importance of these examinations and apologize for the inconvenience this has caused.
All fees for eligible examination candidates for the FG and PG examinations will be automatically forwarded to the next scheduled administration of the examinations on October 2, 2020 in Sacramento, CA. If you are unable to attend the October 2, 2020 examination, please contact the Board’s Licensing Manager, Candace Cummins, at (916) 263-2254 for further assistance.
Please join us on Tuesday, February 25, 2020 at Aviator’s Restaurant! We will be hosting this year’s Jahn’s Lecturer Scott Lindvall from Lettis Consultants, Intl, who will be giving a presentation titled Characterizing Fault Displacement Hazards: Significant Progress and Significant Uncertainties.
This talk will focus on the different methods and underlying data used to develop probabilistic and deterministic fault displacement estimates and well as our understanding of fault behavior (slip rate, magnitude, and recurrence) and the uncertainties associated with fault behavior and observations of historic fault slip. The presentation will also raise critical questions regarding both methodologies and design criteria used for infrastructure projects in light of these uncertainties.
Scott received his BS in Geology from Stanford University in 1984 and his MS in Geology from San Diego State University in 1988. Dick Jahns was Scott’s undergraduate advisor at Stanford, which makes this award especially meaningful to him. He has spent the majority of his career working for consulting firms specializing in seismic hazards and engineering geology. He currently manages the Lettis Consultants International southern California office, and prior, worked many years at both William Lettis & Associates, and Lindvall, Richter & Associates.
His interest in geology came at a young age growing up in the Transverse Ranges of southern California. His geologist father, Eric Lindvall, helped instill an appreciation of the outdoors (and therefore geology) and was later instrumental in shaping Scott’s career. His interest in earthquakes was triggered at nine years old in the early morning hours of February 7, 1971 with the M6.6 San Fernando earthquake. Experiencing strong ground shaking from the main shock and several large aftershocks in the epicentral region, while dust was slowly rising from rock falls in the surrounding canyons, left a lasting impression.
Scott has performed detailed mapping of surface ruptures of earthquakes in southern California and Turkey, including the 1986 M6.6 Superstition Hills, 1992 M7.3 Landers, 1999 M7.4 zmit (Kocaeli), 1999 M7.1 Düzce, and the 1999 M7.1 Hector Mine earthquake ruptures. Scott’s experience in neotectonics, paleoseismology, and geomorphology has enabled him to pursue research projects designed to better quantify the timing of past events, slip rate, surface displacement, and style of deformation on active strike-slip and reverse faults throughout southern California. He has been awarded over a dozen research grants funded by the U.S. Geological Survey National Earthquake Hazards Reduction Program (NEHRP) and the Southern California Earthquake Center (SCEC). These studies include paleoseismic investigations of the Sierra Madre, Hollywood, Simi, Red Mountain, and San Andreas faults in Los Angeles and the Transverse Ranges, the Rose Canyon fault in San Diego, and the numerous faults in the Eastern California Shear Zone that ruptured in the 1992 Landers and 1999 Hector Mine earthquakes.
Scott has directed geologic evaluations and seismic source characterizations in a variety of tectonic environments ranging from active plate boundaries to stable cratons. He served on the Technical Integration Team for a multi-year study sponsored by the US Nuclear Regulatory Commission, US Department of Energy, and the Electric Power Research Institute to develop the Central and Eastern United States Seismic Source Characterization for Nuclear Facilities, which has served as the regional seismic source model for hazard evaluations of nuclear facilities since its publication in 2012. Scott has also served on the advisory committee of the Earthquake-Induced Landslides Working Group for the California Geological Survey’s (CGS) Seismic Hazards Mapping Program and, more recently, the CGS Special Publication 42 Advisory Panel to update the regulatory guidance on assessing fault rupture hazards in California.