Resolution and uncertainties in estimates of earthquake stress drop and energy release

RE Abercrombie - … Transactions of the Royal Society A, 2021 - royalsocietypublishing.org
Our models and understanding of the dynamics of earthquake rupture are based largely on
estimates of earthquake source parameters, such as stress drop and radiated seismic …

Magnitude estimation and ground motion prediction to harness fiber optic distributed acoustic sensing for earthquake early warning

I Lior, D Rivet, JP Ampuero, A Sladen, S Barrientos… - Scientific Reports, 2023 - nature.com
Earthquake early warning (EEW) systems provide seconds to tens of seconds of warning
time before potentially-damaging ground motions are felt. For optimal warning times, seismic …

Earthquake hazard and risk analysis for natural and induced seismicity: towards objective assessments in the face of uncertainty

JJ Bommer - Bulletin of earthquake engineering, 2022 - Springer
The fundamental objective of earthquake engineering is to protect lives and livelihoods
through the reduction of seismic risk. Directly or indirectly, this generally requires …

Comparing EGF Methods for Estimating Corner Frequency and Stress Drop From P Wave Spectra

PM Shearer, RE Abercrombie… - Journal of …, 2019 - Wiley Online Library
Abstract Empirical Green's functions (EGFs) are widely applied to correct earthquake spectra
for attenuation and other path effects in order to estimate corner frequencies and stress …

Strong correlation between stress drop and peak ground acceleration for recent M 1–4 earthquakes in the San Francisco Bay area

DT Trugman, PM Shearer - Bulletin of the Seismological …, 2018 - pubs.geoscienceworld.org
Theoretical and observational studies suggest that between‐event variability in the median
ground motions of larger (M≥ 5) earthquakes is controlled primarily by the dynamic …

Does earthquake stress drop increase with depth in the crust?

RE Abercrombie, DT Trugman… - Journal of …, 2021 - Wiley Online Library
We combine earthquake spectra from multiple studies to investigate whether the increase in
stress drop with depth often observed in the crust is real, or an artifact of decreasing …

Возникновение и развитие процессов скольжения в зонах континентальных разломов под действием природных и техногенных факторов. Обзор …

ГГ Кочарян - Физика Земли, 2021 - elibrary.ru
В статье проведен обзор актуальных публикаций, посвященных процессу зарождения
и эволюции процессов скольжения по разломам земной коры. Рассмотрены различные …

The hidden simplicity of subduction megathrust earthquakes

MA Meier, JP Ampuero, TH Heaton - Science, 2017 - science.org
The largest observed earthquakes occur on subduction interfaces and frequently cause
widespread damage and loss of life. Understanding the rupture behavior of megathrust …

Peak ground displacement saturates exactly when expected: Implications for earthquake early warning

DT Trugman, MT Page, SE Minson… - Journal of Geophysical …, 2019 - Wiley Online Library
The scaling of rupture properties with magnitude is of critical importance to earthquake early
warning systems that rely on source characterization using limited snapshots of waveform …

Cross validation of stress drop estimates and interpretations for the 2011 Prague, OK, earthquake sequence using multiple methods

CN Pennington, X Chen… - Journal of Geophysical …, 2021 - Wiley Online Library
We compare source parameter estimates for earthquakes in the 2011 Prague Mw 5.7,
Oklahoma, sequence to investigate random uncertainty and systematic bias, and resolve …