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Doctoral Defense: Lily Serach
Start:June 29, 2021 at 9:00 am
End:
June 29, 2021 at 11:00 am
Please join us for the doctoral examination of Lily Serach’s PhD project “Elucidating Biotic And Abiotic Controls Over Soil Carbon Stabilization Using Isotope Geochemistry” This project was supervised by Dr. Daniel Breecker with additional committee members including Timothy M Shanahan, Philip C Bennett, Charles S Jackson and Timothy Beach.
Zoom link:
DeFord Lecture | Courtney SchumacherOctober, 01 2026Time: 3:30 PM - 4:30 PMLocation: JGB 2.324 How Stratiform Rain Shapes Weather, Climate, and the Geological Record by Courtney Schumacher, professor at Texas A&M University |
Bureau of Economic Geology Seminar SeriesOctober, 02 2026Time: 1:00 PM - 2:00 PMLocation: BEG Bldg 130, VR Room 1.116C BEG Seminar presented by Chas Bolton, Research Assistant Professor, UTIG. Topic: The role of aseismic creep, elastic-stress transfer, and pore-pressure diffusion on injection-induced earthquakes: Insights from meter-scale experiments and numerical models Pore-pressure diffusion and the effective stress principle are routinely used to explain induced seismicity. However, as induced seismicity has become more widespread over the past 10+ years it has become apparent that additional mechanisms are needed to explain the richness in fault behavior associated with subsurface fluid injection. Here, I will present results from meter-scale laboratory experiments and numerical modeling that provide new insights into the physics of injection induced earthquakes. The laboratory fault is heavily instrumented with arrays of strain gauges, slip sensors, and pore-pressure transducers that permit spatiotemporal measurements of fault slip, shear stress, and pore-pressure. Frictional instabilities are induced by injecting fluid at constant rate of 5 ml/min into a fault zone that is pre-stressed to ~ 96% of its failure strength. We observe a spectrum of slip modes, including aseismic creep, slow-confined ruptures, and fast-fault spanning instabilities. With progressive fluid injection, instabilities evolve from fast-fault spanning (peak slip rates ~ 20 mm/s) to slow stick-slip (peak slip rates < 0.005 mm/s). Fluid-induced instabilities are preceded by accelerating aseismic creep that is modulated by both fluid pressurization and elastic stress transfer generated by aseismic creep. Fast-fault spanning ruptures occur when the critical nucleation length scale, h*, propagates beyond the pressurized region and into frictionally unstable regions of the fault (i.e., where w/h* < 1). In contrast, slow slip instabilities occur at the end of the experiment when the pore-pressure front as propagated across the fault and increased h* such that w/h* ~ 1. In contrast to some theoretical arguments, laboratory ruptures often propagate well-beyond the leading edge of the pore-pressure front. Together our work shows that that fluid-induced fault slip is driven by a combination of fluid-induced aseismic creep and elastic stress transmission, and could help explain long distance triggering that is common in many areas that host induced seismicity. Join in person in BEG VR Room or on Zoom. |
UTIG Fall Seminar Series 2026: Michaela KingOctober, 02 2026Time: 10:30 AM - 11:30 AMLocation: UTIG Seminar Conference Room - 10601 Burnet Road, Bldg. 196/ROC 1.603 More details about this talk will be available soon. |
Bureau of Economic Geology Seminar SeriesOctober, 09 2026Time: 1:00 PM - 2:00 PMLocation: https://utexas.zoom.us/j/93201377630?pwd=KzF3TW53SFYzSUg4SUZVNGtxd3JvZ BEG Seminar presented by Bruce Hart, Western University, virtual Topic: TBD |
UTIG Fall Seminar Series 2026: Team TERMINUSOctober, 09 2026Time: 10:30 AM - 11:30 AMLocation: UTIG Seminar Conference Room - 10601 Burnet Road, Bldg. 196/ROC 1.603 More details about this talk will be available soon. |
DeFord Lecture | Ching-Yao LaiOctober, 15 2026Time: 3:30 PM - 4:30 PMLocation: JGB 2.324 |
AI and Your Best SelfOctober, 16 2026Time: 5:30 AM - 8:15 AMLocation: Welch Grand Hallway and 2.224 Auditorium Artificial intelligence is breaking free of chatbots and computer screens and moving into the physical world around us. Next-generation AI systems are learning to see, understand, and act in the world the way a person would. In this Hot Science - Cool Talks, pioneer Dr. Kristen Grauman will explore how these systems will one day coach you through a new skill, guide you through an unfamiliar place, or help with everyday tasks by watching and offering real-time feedback, making personalized learning more accessible. Join us for a look at a future where AI is a part of your environment, helping everyone learn, discover, and navigate the world more easily. |
Bureau of Economic Geology Seminar SeriesOctober, 16 2026Time: 1:00 PM - 2:00 PMLocation: BEG Bldg 130, VR Room 1.116C BEG Seminar presented by Ruthie Halberstadt, JSG, in person. Topic: TBD |
UTIG Fall Seminar Series 2026: Denis FeliksonOctober, 16 2026Time: 10:30 AM - 11:30 AMLocation: UTIG Seminar Conference Room - 10601 Burnet Road, Bldg. 196/ROC 1.603 More details about this talk will be available soon. |
DeFord Lecture | Naoki SakaiOctober, 22 2026Time: 3:30 PM - 4:30 PMLocation: JGB 2.324 |
Bureau of Economic Geology Seminar SeriesOctober, 23 2026Time: 1:00 PM - 2:00 PMLocation: BEG Bldg 130, VR Room 1.116C BEG Seminar presented by Ashley Matheny, JSG, in person. Topic: TBD |
UTIG Fall Seminar Series 2026: Zach SickmannOctober, 23 2026Time: 10:30 AM - 11:30 AMLocation: UTIG Seminar Conference Room - 10601 Burnet Road, Bldg. 196/ROC 1.603 More details about this talk will be available soon. |