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A Noble Earthquake

A Noble Earthquake

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All her life, she's lived in New England. Now, she's moving west. Join Alli as she discovers the fascinating history of California, one story at a time. This podcast is shareable under a Creative Commons license BY-NC-SA. Music: "Surfing Day" by Marcos H. Bolanos.
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DJ Lynnwood's Earthquake Mix

DJ Lynnwood's Earthquake Mix

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DJ Lynnwood delivers the worlds biggest house, electro, hardhouse, progressive dance music mixed with some dry humor, and it makes for one ass-shaking radio series! Originating from KGGI-FM on the West Coast, USA.
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Engineering modeling for assessing and optimizing seismic resilience 1:00:00

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Omar Issa, ResiQuant (Co-Founder)/Stanford University A study by FEMA suggests that 20-40% modern code-conforming buildings would be unfit for re-occupancy following a major earthquake (taking months or years to repair) and 15-20% would be rendered irreparable. The increasing human and economic exposure in seismically active regions emphasize the u…
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DAS for EEW: what about the dynamic range? 1:00:00

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Martijn van den Ende, Université Côte d'Azur Already for several years it has been suggested that Distributed Acoustic Sensing (DAS) could be a convenient, low-cost solution for Earthquake Early Warning (EEW). Several studies have investigated the potential of DAS in this context, and demonstrated their methods using small local earthquakes. Unfort…
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The mechanics of (laboratory) earthquakes and aseismic slip due to fluid injection 1:00:00

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Sara Beth Cebry, U.S.G.S. luid injection decreases effective normal stress on faults and can stimulate seismicity far from active tectonic regions. Based on earthquake nucleation models and measured stress levels, slip will be stable, aseismic, and limited to the fluid pressurized region—contrary to observed increases in seismicity. To unders…
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Rapid, physics-informed seismic wavefield predictions using high-performance computing and reduced-order modeling techniques 1:00:00

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John Rekoske, University of California San Diego Rapidly estimating the ground shaking produced by earthquakes in real-time, and from future earthquakes, are important challenges in seismology. Numerical simulations of seismic wave propagation can be used to estimate ground motion; however, they require large amounts of computing power and are too …
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Source, path, and site effects and their role on earthquake ground motions 1:00:00

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Haiyang Kehoe, USGS Seismograms contain information of an earthquake source, its path through the earth, and the local geologic conditions near a recording site. Ground shaking felt on Earth’s surface is modified by each of these contributions–the spatiotemporal evolution of rupture, three-dimensional subsurface structure, and site cond…
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Solving the ground-motion puzzle one piece at a time 1:00:00

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Tara Nye, USGS Models of earthquake ground motion (both simulations and ground-motion models) can be likened to a puzzle with three primary pieces representing the earthquake source, site conditions, and source-to-site path. Early versions of these models were developed using average behavior of earthquakes across a variety of regions and tectonic …
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Geometric Parametrization of Sedimentary Basins in Southern California for Site Response Analysis and Modelling 1:00:00

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Rashid Shams, University of Southern California Site response in sedimentary basins is partially governed by mechanisms associated with three-dimensional features. This includes the generation of propagating surface waves due to trapped and refracted seismic waves, focusing of seismic energy due to basin shape and size, and resonance of the entire …
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Combining earthquake and tsunami early warnings along the west coast of the United States 1:00:00

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Amy Williamson, University of California Berkeley Alerts sent through earthquake early warning (EEW) programs provide precious seconds for those alerted to take simple protective actions to mitigate their seismic risk. Programs like ShakeAlert have been providing alerts for felt earthquakes across the west coast of the US for almost 5 years. Earthq…
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Splay fault dynamics at subduction and rift margins: insight from 3D dynamic rupture modeling of the Cascadia megathrust and the Mai’iu low-angle normal fault 1:00:00

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James Biemiller, USGS An unresolved aspect of tsunami generation in great subduction earthquakes is the offshore competition between coseismic deformation mechanisms, such as shallow megathrust slip, slip on one or more splay faults, and off-fault plastic deformation. In this presentation, we first review results from data-constrained 3D dynamic ru…
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How Fault Network Geometry Affects Earthquakes 1:00:00

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Jaeseok Lee, Brown University Field observations indicate that fault systems are structurally complex, yet fault slip behavior has predominantly been attributed to local fault plane properties, such as friction parameters and roughness. Although relatively unexplored, emerging observations highlight the importance of fault system geometry in the me…
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