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Meeting Abstracts

SCEC Annual Meeting participants are invited to share recent results and activities relevant to SCEC priorities and initiatives during the poster sessions. The SCEC collaboration emphasizes the connections between information gathering by sensor networks, fieldwork, and laboratory experiments; knowledge formulation through physics-based, system-level modeling; improved understanding of seismic hazard; and actions to reduce earthquake risk and promote resilience.

Use the search form to view abstracts of presentations that have been accepted for this meeting.


  
  
  
  

A SCEC username is required to submit an abstract.

The person submitting the abstract is automatically the First Author, and will receive all communications regarding the abstract.

A First Author can have a maximum of one poster and one oral presentation (if invited as a plenary speaker).

Each "poster space" in the online gallery will include general poster information, author contact information, and a PDF of the poster, as well as optional short videos about the poster.

First Authors of accepted abstracts will receive more detailed instructions.

During the meeting, posters are presented in two groups:
A (Sunday/Monday), and B (Monday/Tuesday). See the SCEC2023 agenda and FAQ for more details.

Results 151-200 of 231
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SCEC ID Category Title and Authors SCEC Award
Group A
Poster
119
FARM Quantifying the probability of rupture arrest at restraining and releasing bends using earthquake sequence simulations
So Ozawa, Ryosuke Ando, Eric Dunham
Fault bends are known to act as barriers to rupture propagation in many earthquakes. A recent compilation of the surface rupture traces of paleo earthquakes quantifies the probability of rupture termination as a function of the bend angle. To... more

Themes: Modeling Earthquake Source Processes | Probabilistic Seismic Hazard Analysis


Group A
Poster
157
EFP Testing Rate-and-State Predictions of Aftershock Decay
Morgan Page, Nicholas van der Elst
We analyze aftershocks of the 2019 M7.1 Ridgecrest mainshock to test predictions made by the rate-and-state friction model of Dieterich (1994). Rate-and-state friction predicts that the seismicity rate after a stress step follows Omori decay, where... more

Themes: Modeling Earthquake Source Processes | Operational Earthquake Forecasting


Group B
Poster
186
GM An Empirical Green’s Function Type Approach for Isolating Directivity Effects in Ground Motion Residuals: Examples from the 2022 Alum Rock and 2004 Parkfield Earthquakes
Grace Parker, Annemarie Baltay, Evan Hirakawa
We present a novel technique for partitioning ground motion model (GMM) residuals that mitigates tradeoffs between spatially varying source, path, and site effects, using the 2004 M6.0 Parkfield and 2022 M5.1 Alum Rock earthquakes as examples. These... more

Themes: Modeling Earthquake Source Processes | Probabilistic Seismic Hazard Analysis


Group A
Poster 175
GM 3D ground motion simulations for the 1755 Lisbon earthquake
Anupam Patel, Kim Olsen, Te-Yang Yeh, Susana Custodio
This study focuses on simulating a significant hazard scenario for Portugal: a potential recurrence of the 1755 Lisbon earthquake, renowned for its destructive impact on Lisbon and other coastal areas in SW Portugal. Various offshore tectonic... more

Themes: Ground Motion Simulation


Group A
Poster
095
SAFS Brittle-ductile Transition Depth in the Mojave Desert Region, Southern California
Megan Perry, Laurent Montesi, Suerken Matsuyama, Kali Allison
In active continental plate boundaries, earthquakes typically occur only at depths shallower than 12 to 15 km. The maximum depth of seismicity may be related to a critical temperature or a transition from brittle to ductile behavior. In the Mojave... more

Themes: Stress and Deformation Over Time | Community Models

22110
Talk
Tue0800
CXM Scaling-up Community Earth Models: A Hybrid Approach
Patricia Persaud, Rasheed Ajala, Chiara Nardoni, Alan Juarez
Community Velocity Models (CVMs) for different regions in California exist at different scales and levels of complexity. These models are used in various studies that lead to improved seismic hazard assessment. Extending the CVMs outside their... more

Themes: Community Models | Ground Motion Simulation | Velocity and Rheology of Basin Sediments

21059
Group A
Poster 207
CXM New computational workflows to examine the role of 3D fault architecture on long-term slip rates and off-fault deformation: A case study from the Eastern California Shear Zone
George Pharris, John Naliboff, Veronica Prush, Timo Heister, Menno Fraters, Frederick LaCombe
Lithospheric deformation is accommodated through a combination of localized deformation along faults and distributed as off-fault deformation (OFD). The spatiotemporal partitioning of deformation in fault zones is a function of a wide range of... more

Themes: Stress and Deformation Over Time | Community Models | Beyond Elasticity

23202
Group A
Poster
069
Geology Improved Mapping of Active Faults Near Recent California Earthquakes: Napa Valley and Ridgecrest Region
Belle Philibosian, Jessica Thompson Jobe, Colin Chupik, Kiara Broudy
Several recent significant earthquakes in California occurred along relatively slow-slipping faults that had been little-studied prior to those events. These faults likely have earthquake recurrence intervals in the thousands of years and are thus... more

Themes: Probabilistic Seismic Hazard Analysis


Group B
Poster
084
Geology Surface Rupturing Earthquakes of the Greater Caucasus Frontal Thrusts, Azerbaijan
Ian Pierce, Neill Marshall, Richard Walker, Sabina Kazimova, Gregory De Pascale
Here we present the results of the first paleoseismic study of the Kura fold-thrust belt in Azerbaijan based on field mapping, fault trenching, and Quaternary dating. Quaternary convergence at rates of ~10 mm/yr between the Arabian and Eurasian... more

Themes: Stress and Deformation Over Time | Special Fault Study Areas: Focus on Earthquake Gates | Beyond Far-Field Approximations


Group B
Poster
006
Seismology Performance evaluation of the USGS Velocity model for the San Francisco Bay Area
Camilo Ignacio Pinilla Ramos, Arben Pitarka, David McCallen, Rie Nakata
The exponential growth of the processing power in the last decades pushed the development physics-based seismological simulations, allowing to solve the wave equation at higher frequencies and softer materials. The primary sources of epistemic... more

Themes: Community Models | Ground Motion Simulation


Group A
Poster
197
CXM The Community Fault Model v6.0 and progress towards a statewide fault model
Andreas Plesch, Scott Marshall, John Shaw, Mei-Hui Su, Philip Maechling, Tran Huynh, Edric Pauk
Version 6 of the SCEC Community Fault Model (CFM 6.0) was officially released in May of 2023. CFM 6.0 was developed based on results of an in-depth and thorough community evaluation process involving approximately 30 SCEC investigators that resulted... more

Themes: Community Models | Data-Intensive Computing

23120
Group A
Poster
079
Geology Fault Trace Mapping of the Central San Andreas Fault from Lidar-derived Topography
Joseph Powell, Chelsea Scott, Ramon Arrowsmith, Stephen DeLong
We created a fault trace and surficial geologic map of the creeping section of the Central San Andreas Fault from San Juan Bautista to Parkfield, California. This mapping has been completed at a 1:10,000 scale to refine existing mapping efforts... more

Themes: Stress and Deformation Over Time


Group B
Poster 174
GM A Bayesian approach for developing ground motion spatial correlation models
Renmin Pretell, Tristan Buckreis, Scott Brandenberg, Jonathan Stewart
Ground motion spatial correlation plays a crucial role in the assessment of seismic risk for distributed infrastructure, the development of ground motion models, and the validation of computer simulations and simplified engineering tools. The... more

Themes: Ground Motion Simulation


Group A
Poster 173
GM Instant physics-based ground motion time series using reduced-order modeling of 3D wave propagation simulations
John Rekoske, Alice-Agnes Gabriel, Dave May
Physics-based ground motion estimates obtained by numerical simulation of wave propagation are increasingly being considered for seismic hazard assessment. However, simulations are computationally expensive, especially when considering ensembles of... more

Themes: Ground Motion Simulation


Group A
Poster
089
SAFS Observations of the Calipatria Deformation Zone from seismic reflection profiles
Carlos Reyes Martínez, Young Ho Aladro, Mario Gonzalez Escobar
We presented a cartography of the Calipatria Deformation Zone (CDZ), situated in the Mexicali Valley, Baja California, Mexico, derived from 2D seismic reflection profiles. We utilized eight seismic profiles located within the Mexicali Valley. These... more

Themes: Community Models


Group A
Poster 123
FARM Rupture Re-nucleation across Step-overs Requires High Coulomb Stress Change
Alba Rodriguez Padilla, Michael Oskin
Rupture propagation across step-overs wider than a few kilometers has never been observed during historical earthquakes. We map step-overs from a new compilation of 31 surface ruptures from strike-slip earthquakes and regional fault maps and measure... more

Themes: Special Fault Study Areas: Focus on Earthquake Gates | Probabilistic Seismic Hazard Analysis


Group A
Poster
023
Seismology Induced seismicity in Southeastern New Mexico
Justin Rubinstein, Jeongung Woo
Since 2015, the Permian Basin in southeastern New Mexico and western Texas has experienced a surge in seismicity that is continuing to rise. In 2022 the rate of M3+ earthquakes in the Permian was higher than in California. Most of the seismicity... more

Themes: Induced Seismicity


Group B
Poster
060
Geodesy Estimates of Seismic Moment Accumulation Rate from Geodesy
David Sandwell, Katherine Guns, Xiaohua Xu, Yehuda Bock, Bridget Smith-Konter
Measuring the accumulation of seismic moment on locked faults is a key element of assessing seismic hazard. There are two basic approaches to estimating moment accumulation from geodesy; fault-based modeling and regional strain rate-based estimation... more

Themes: Stress and Deformation Over Time

22020
Group A
Poster
065
Geodesy InSAR-derived Vertical Land Motion over southern California: A Scalable Approach leveraging the growing, open-source ARIA-S1-GUNW archive
Simran Sangha, Marin Govorcin, Gareth Funning, David Bekaert
We use state-of-the-art open-source methods to produce standard InSAR science products freely distributed through a NASA Data Active Archive Center at the Alaska Space Facility. Specifically, we generate the Advanced Rapid Image Analysis (ARIA)... more

Themes: Stress and Deformation Over Time | Data-Intensive Computing

22059, 23109, 21035
Group A
Poster 017
Seismology Incorporating intensity distance attenuation into PLUM ground-motion-based earthquake early warning in the United States: The APPLES configuration
Jessie Saunders, Elizabeth Cochran, Julian Bunn, Annemarie Baltay, Sarah Minson, Colin O'Rourke
We develop a new configuration for the United States West Coast version of the Propagation of Local Undamped Motion (PLUM) earthquake early warning (EEW) algorithm that incorporates attenuation into its ground-motion prediction procedures; we call... more

Themes: Earthquake Early Warning


Group B
Poster
182
GM 3D modeling of near-field ground motions and deformation in dynamic rupture simulations of the 2019 Ridgecrest earthquake including fault zone and fault roughness effects
Nico Schliwa, Alice-Agnes Gabriel, Yehuda Ben-Zion
We present large-scale modeling of near-field ground motion parameters and deformation in dynamic rupture simulations of the 2019 Mw 7.1 Ridgecrest earthquake. We include an observationally constrained shallow low-velocity fault zone and band-... more

Themes: Modeling Earthquake Source Processes | Beyond Far-Field Approximations | Ground Motion Simulation

22135, 23121, 22162
Group A
Poster 161
EFP Visual Communication of Aftershock Forecasts Driven by User Needs
Max Schneider, Anne Wein, Nicholas van der Elst, Sara McBride, Julia Becker, Raul Castro, Manuel Diaz, Hector Gonzalez-Huizar, Jeanne Hardebeck, Andrew Michael, Luis Mixco, Morgan Page, Jocelyn Palomo
The U.S. Geological Survey releases aftershock forecasts following large (M5+) earthquakes in the U.S. and associated territories. Forecasts show the expected number (and range) of aftershocks in a specified area for various magnitude thresholds and... more

Themes: Operational Earthquake Forecasting | Public Education and Preparedness


Group A
Poster
067
Geology Data processing and quality for applications to active faulting in California with QUAKES-I Stereo-imagery
Madeline Schwarz, Ryan Applegate, Robert Zinke, Ramon Arrowsmith, Andrea Donnellan, Curtis Padgett, Steve DeLong, Morena Hammer
The Quantifying Uncertainty and Kinematics of Earth Systems Imager (QUAKES-I) is an airborne optical stereo-imaging system. The system is an eight-camera array mounted on a Gulfstream V aircraft and enables rapid, large-scale production of high-... more

Themes: Data-Intensive Computing | Post-Earthquake Rapid Response


Group B
Poster
072
Geology Evaluating How Well Active Fault Mapping Predicts Earthquake Surface Rupture Locations
Chelsea Scott, Rachel Adam, Ramon Arrowsmith, Christopher Madugo, Brian Gray, Rich Koehler, Stephen Thompson, Alexandra Sarmiento, Timothy Dawson, Albert Kottke, Elaine Young, Ozgur Kozaci, Michael Oskin, Reed Burgette, Ashley Streig, Gordon Seitz, Curtis Baden, Malinda Zuckerman
In surface-rupturing earthquakes, fault displacement can damage infrastructure that crosses or overlies fault zones. The uncertainty in earthquake surface rupture location is key in fault displacement hazard analysis and informs hazard and risk... more

Themes: Risk to Distributed Infrastructure


Group A
Poster
083
Geology A Revised Slip Rate Estimate for the Mission Creek Strand of the Southern San Andreas Fault at Thousand Palms Oasis based on Geomorphic and Stratigraphic Constraints
Gordon Seitz
3D trenching at Thousand Palms Oasis had previously yielded a 5-event record and an anomalously low slip rate of 4 mm/yr (Fumal, Rymer and Seitz, 2002). This paleoseismic site exposed a sequence of nested sub parallel channels that are oriented at a... more

Themes: Stress and Deformation Over Time | Special Fault Study Areas: Focus on Earthquake Gates


Group B
Poster
094
SAFS A multi-scale magnetotelluric (MT) investigation of the Salton Trough
Pieter-Ewald Share, Steven Constable, Jared Peacock, Samer Naif
All three plate tectonic margin types are embedded in the Salton Trough lithosphere. The southern San Andreas fault system (SSAF, transform) and associated localized incipient rifting (divergent) are abutted to the west by the Peninsular Ranges, a... more

Themes: Stress and Deformation Over Time | Community Models


Group B
Poster
184
GM Deterministic ground motions from an earthquake simulator consistent with NGA-West2 ground motion models
Bruce Shaw, Kevin Milner, Scott Callaghan, Christine Goulet, Fabio Silva
We use the deterministic earthquake simulator RSQSim to generate complex sequences of ruptures on fault systems used for hazard assessment. We show that the source motions combined with a wave-propagation code create surface ground motions that fall... more

Themes: Modeling Earthquake Source Processes | Ground Motion Simulation | Probabilistic Seismic Hazard Analysis

23171
Group B
Poster
028
Seismology The 2022 M 6.4 Ferndale, California Earthquake Sequence: A Piece of the Puzzle at the Mendocino Triple Junction
David Shelly, Dara Goldberg, Robert Skoumal, Jeanne Hardebeck, Kathryn Materna, Clara Yoon, William Yeck, Paul Earle
Seismicity near the Mendocino Triple Junction is highly active, yet enigmatic, accommodating complex relative motion among the Pacific, North America, and Gorda Plates. The December 20, 2022, Mw 6.4 Ferndale earthquake occurred within this zone,... more

Themes: Modeling Earthquake Source Processes


Group B
Poster
176
GM BroadBand Ground Motion Synthesis using Generative Adversarial Neural Operator with Learnable Filtering Effect
Yaozhong Shi, Grigorios Lavrentiadis, Domniki Asimaki, Zachary Ross, Kamyar Azizzadenesheli
We develop a data-driven framework for 3-component ground motion synthesis with the ability of learning filtering effect of the ground motion. Leveraging the increase of ground-motion data from seismic networks and recent advancements in Machine... more

Themes: Ground Motion Simulation


Group B
Poster
026
Seismology S-wave reflector and crustal fluid deep beneath seismically active area in the north Ibaraki area, northeastern Japan
Takahiro Shiina, Yuta Amezawa, Takahiko Uchide, Haruo Horikawa, Kazutoshi Imanishi
Crustal fluid is discussed as a key factor facilitating the activity of crustal earthquakes. The distribution of the crustal fluid is investigated based on a seismic velocity structure deduced from tomographic analysis and/or an electric resistivity... more

Themes: Induced Seismicity


Group A
Poster 171
GM The SCEC GMSV Toolkit: Open-Source Tools for Ground Motion Simulation Processing and Validation
Fabio Silva, Christine Goulet, Philip Maechling, Yehuda Ben-Zion
The Southern California Earthquake Center (SCEC) Ground Motion Simulation Validation (GMSV) software Toolkit aims to provide standardized and verified tools to a broad seismological and engineering community of researchers interested in ground... more

Themes: Ground Motion Simulation

22091
Group B
Poster
020
Seismology ShakeAlert Earthquake Early Warning Testing Platform
Deborah Smith, Jeff McGuire, Julian Bunn
The West Coast ShakeAlert Earthquake Early warning system has been in operation since October 17, 2019 and has been successfully generating real-time earthquake messages. As the system has been in operation there has been concurrent effort to... more

Themes: Earthquake Early Warning


Group A
Poster
133
FARM Off-fault damage accumulation and evolution in distributed fault systems near Ridgecrest, CA
Zachary Smith, Roland Bürgmann, William Grifith, Mengsu Hu, Michael Manga
Fault zones consist of numerous subsidiary faults surrounding large displacement faults. Individual subsidiary faults are often enveloped by damage zones on the scale of centimeters to meters making large fault zones heterogeneous. As space geodetic... more

Themes: Stress and Deformation Over Time | Beyond Elasticity | Modeling Earthquake Source Processes

23045
Group B
Poster
178
GM Region-scale, 3-D wave propagation simulations of M6.5+ earthquakes on the southern Whidbey Island fault, WA, considering surface topography and a soil velocity profile
Ian Stone, Erin Wirth, Alex Grant, Arthur Frankel
The southern Whidbey Island fault (SWIF) is a large crustal fault in Washington State capable of producing large (M6.5-7.2) earthquakes. Despite its proximity to the Seattle, Everett, and Bellevue metropolitan regions, past simulations of... more

Themes: Ground Motion Simulation | Probabilistic Seismic Hazard Analysis


Group B
Poster 194
CXM Crustal architecture across Southern California and its implications on San Andreas Fault development
Siyuan Sui, Weisen Shen, Jeonghyeop Kim, William Holt
Located on the boundary of the Pacific and North American Plates, Southern California is seismically and tectonically active. The present-day configuration of the San Andreas Fault is a result of the long-term tectonic activities with modulation of... more

Themes: Community Models

20171, 21177
Group A
Poster
037
Seismology Phase Neural Operator for Multi-Station Picking of Seismic Arrivals
Hongyu Sun, Zachary Ross, Weiqiang Zhu, Kamyar Azizzadenesheli
Seismic phase picking is the task of annotating seismograms with seismic wave arrival times and underpins earthquake monitoring operations globally. State-of-the-art approaches for phase picking use deep neural networks to annotate seismograms at... more

Themes: Post-Earthquake Rapid Response


Group A
Poster
141
FARM Boomerang Earthquakes and Rapid Tremor Reversals: Exploring the Role of Fault Roughness on the Back Propagation of Earthquakes and Slow Slip Events
Yudong Sun, Camilla Cattania
Seismic and geodetic observations reveal that earthquakes and slow slip events (SSEs) can sometimes propagate backward through areas that ruptured previously. This "boomerang" phenomenon has been reported in at least three events: the 2010... more

Themes: Stress and Deformation Over Time | Modeling Earthquake Source Processes


Group B
Poster 050
Seismology Shake to the beat: Exploring the seismic signals of concerts and music fans
Gabrielle Tepp, Igor Stubailo
Recently, SwiftQuakes recorded in Seattle, WA, have gone viral – these are seismic signals generated during a Taylor Swift concert with ~70,000 fans in attendance. A few weeks after her Seattle concert, Swift performed 6 concerts in one week (2023... more

Group B
Poster 074
Geology Multiple rupture pathways and slip partitioning through the Long Beach restraining bend system of the Newport-Inglewood fault, Los Angeles, CA
Natasha Toghramadjian, John Shaw
We present a new, 3-D representation of the Long Beach restraining bend system along the Newport-Inglewood fault (NIF), Los Angeles, California. The NIF is an active strike-slip system that cuts over 60 kilometers through densely populated... more

Themes: Special Fault Study Areas: Focus on Earthquake Gates


Group A
Poster
087
Geology Paleoseismology of the Kokonadyr-Tegerek Adyr Thrust Fault, Kyrgyzstan, and Implications for Seismic Hazard in the South Issyk-Kul Region
Alex Travers, Richard Walker, Ian Pierce, Neill Marshall, Rich Koehler
The Kyrgyz Tien Shan is a region of active intra-continental deformation characterized by multiple parallel thrust fault belts. Evidence for paleoearthquake ruptures are well preserved in the landscape, providing a unique environment to compare... more

Group A
Poster 045
Seismology A remarkable sequence in a remote location: A detailed characterization of the 2014-2018 Sheldon, Nevada earthquake swarm
Daniel Trugman, William Savran, Christine Ruhl, Ken Smith
In July of 2014, a prolific earthquake swarm initiated within the Sheldon Wildlife Refuge in the remote northwest corner of Nevada, a region of low background seismicity rate. Over the next three years, the sequence produced 26 M4 earthquakes and... more

Themes: Stress and Deformation Over Time | Data-Intensive Computing | Modeling Earthquake Source Processes


Group B
Poster
196
CXM InSAR Community Geodetic Model Version 2: Moving beyond Ridgecrest
Ekaterina Tymofyeyeva, Michael Floyd, Kang Wang, Katherine Guns, Kathryn Materna, Zhen Liu, Gareth Funning, Eric Fielding, David Sandwell, David Bekaert, Simran Sangha, Marin Govorcin, Alejandro Gonzalez-Ortega, Xiaohua Xu
The Community Geodetic Model (CGM) Working Group has been focused on investigating methods for the generation of geodetic (GNSS and InSAR) time series and velocities over Southern California, creating a set of self-consistent and well documented... more

Themes: Community Models

23136
Group B
Poster
158
EFP A-positive: How to get unbiased rates out of real earthquake catalogs without knowing the magnitude of completeness
Nicholas van der Elst, Morgan Page
Earthquake rate and magnitude distribution are the fundamental quantities of statistical seismology. Long term rate models inform our hazard and building codes, and short-term models provide situational awareness during aftershock sequences. The... more

Themes: Operational Earthquake Forecasting


Group A
Poster
033
Seismology Estimating earthquake source parameters from S-wave maximum amplitudes: Application to the 2019 Ridgecrest sequence
Ian Vandevert, Peter Shearer, Wenyuan Fan
Earthquakes rupture in complex ways, radiating a wide spectrum of seismic energy. The rupture complexities are reflected in earthquake stress drops. Spectral decomposition is a popular approach to resolve earthquake stress drops, in which the source... more

Themes: Modeling Earthquake Source Processes


Group B
Poster 064
Geodesy Joint Inversion of GNSS and InSAR Data for Continuous 3-D Velocity and Strain Rate Fields in Southern California
Mradula Vashishtha, Jeonghyeop Kim, William Holt
GNSS and InSAR complement each other to provide more information on the spatial gradients of crustal motions. GNSS stations hold precision for the three components of crustal velocities but are spatially limited, while InSAR data provide a more... more

Themes: Stress and Deformation Over Time | Community Models | Probabilistic Seismic Hazard Analysis

22134
Group A
Poster
153
EFP Bayesian Assimilation of Deterministic Multicycle Earthquake Simulations into Probabilistic Rupture Forecasts
Luis Vazquez, Thomas Jordan
We develop methods for assimilating the information from deterministic multi-cycle earthquake simulators into probabilistic rupture forecasts. We utilize long earthquake catalogs generated by the multi-cycle Rate-State Quake Simulator (RSQSim) of... more

Themes: Community Models | Modeling Earthquake Source Processes | Probabilistic Seismic Hazard Analysis


Group B
Poster
140
FARM The effect of thermal stress on injection-induced seismicity
Victor Vescu, Kyungjae Im, Jean-Philippe Avouac
A better understanding of the mechanisms driving injection-induced seismicity requires an accurate model of the stress changes resulting from the injection. We, therefore, consider how deep fluid injection changes the state of subsurface stress in... more

Themes: Stress and Deformation Over Time | Induced Seismicity


Talk
Mon1500
FARM Looking to fault-rupture experiments for inspiration
Robert Viesca
Relatively small-scale laboratory experiments have proven to be fertile grounds for ideas to interpret seismological and geodetic observations made in the field. In some instances, lab experiments provide the principal observation of phenomena that... more

Themes: Beyond Elasticity


Group A
Poster
025
Seismology Time-Varying Background Rates of Swarms and Aftershock Sequences in the San Jacinto Fault Zone in Southern California
Valeria Villa, Zachary Ross
The region along and off the San Jacinto Fault Zone is a prolific area of seismic activity. Between 2012 and 2022, there were around five magnitude 4 earthquakes and numerous earthquake swarms. Several swarms are assumed to have an aseismic driving... more

Themes: Induced Seismicity


Group B
Poster 086
Geology RECENTLY MAPPED FAULTING IN THE SAN BERNARDINO MOUNTAINS, CALIFORNIA
Miles Wagner, Frank Jordan Jr.
Fault mapping through the San Bernardino Mountains (SBM) has been conducted as part of a Masters thesis in progress as CSUSB. Mapping of primarily high-angle strike-slip faults using review of mosaicked aerial imagery available on the Google Earth... more


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