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Comparing Spectral Stress Drop Estimation Methods: Influence of Local Geology and Methodological Assumptions
ADVANCES IN RELIABLE EARTHQUAKE SOURCE PARAMETER ESTIMATION IV POSTER
seismology | 12 december 2024
Giovanna Calderoni, Rachel E. Abercrombie
Spectral stress drop is a key earthquake source parameter related to high-frequency ground motion, critical for predicting ground motion and assessing...
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The International SCEC/USGS Community Stress Drop Validation Study: Meta-analysis of submitted results and what's next
ADVANCES IN RELIABLE EARTHQUAKE SOURCE PARAMETER ESTIMATION IV POSTER
seismology | 12 december 2024
Annemarie Baltay, Rachel E. Abercrombie
We present the findings of the Statewide California Earthquake Center/U. S. Geological Survey Community Stress Drop Validation study, focusing on what...
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How Comparable are Estimates of Source Parameters From the two Earthquakes in a Spectral Ratio, and Implications for Source Scaling
ADVANCES IN RELIABLE EARTHQUAKE SOURCE PARAMETER ESTIMATION IV POSTER
seismology | 12 december 2024
Rachel E. Abercrombie, Xiaowei Chen, Yihe Huang
Most estimates of earthquake stress drop (Δσ), and any resulting magnitude dependence are made by modeling amplitude spectra. Trade-off between high-f...
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Importance of considering site effects for estimating source parameters: Insights from shallow attenuations at the Large-n Seismic Survey in Oklahoma
ADVANCES IN RELIABLE EARTHQUAKE SOURCE PARAMETER ESTIMATION IV POSTER
seismology | 12 december 2024
Hilary Chang, Rachel E. Abercrombie, Nori Nakata
To characterize earthquake sources, it is crucial to remove the site and the path effects related to wave propagation from the observed spectra. Faili...
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A Brief Comparison of Seismicity Along the Spectrum of Ocean Transform Faults, and its Implications for Slip Modes
OCEANIC TRANSFORM FAULTS: INTERDISCIPLINARY APPROACHES LINKING OBSERVATIONS AND MODELS II ORAL
tectonophysics | 10 december 2024
Rachel E. Abercrombie, Cyril Journeau, Hongjian Fa...
Transform faults exhibit a wide range of slip behaviors and understanding the factors that control them requires observing the full spectrum of these ...
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OBS Data Mining Reveals the Complex Seismicity and Structure of the Blanco Fracture Zone
OCEANIC TRANSFORM FAULTS: INTERDISCIPLINARY APPROACHES LINKING OBSERVATIONS AND MODELS I POSTER
tectonophysics | 10 december 2024
Cyril Journeau, Amanda Thomas, Rachel E. Abercromb...
The intermediate velocity Blanco transform fault off the Oregon coast, exhibits quasi-periodic earthquakes and seismic swarms, observed using OBS and ...
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Toward reliable estimation of source parameters using Distributed Acoustic Sensing for microearthquakes in the Cape Modern geothermal field, Utah
LEVERAGING DISTRIBUTED FIBER-OPTIC SENSING IN MODERN MONITORING APPLICATIONS I POSTER
seismology | 10 december 2024
Nori Nakata, Hilary Chang, Rachel E. Abercrombie, ...
Microearthquakes in the reservoir come from newly formed cracks and the movement of existing faults that are potentially triggered by operations. The ...
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Relationship among spatiotemporal variations of foreshock and swarm source parameters, fault structure, and earthquake nucleation.
CHARACTERISTICS OF FAULTS AND FAULT ZONES AND THEIR INFLUENCE ON EARTHQUAKE PHYSICS: OBSERVATIONS, MODELS, AND EXPERIMENTS III POSTER
tectonophysics | 10 december 2024
Xiaowei Chen, Rachel E. Abercrombie, Richard Asiri...
Earthquake source parameters provide fundamental knowledge about rupture mechanics. Their spatial and temporal variations reflect the stress and stren...
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