S. E. Minson
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View article: Near-Fault Amplification and Ground-Motion Variability During the 2019 Ridgecrest, California, Sequence
Near-Fault Amplification and Ground-Motion Variability During the 2019 Ridgecrest, California, Sequence Open
We estimate ground-motion variability near the 2019 M 7.1 Ridgecrest earthquake sequence. Accurate seismic hazard estimation requires understanding ground-motion spatial correlations, yet many studies lack the dense station coverage needed…
View article: Mechanics and Statistics of Postseismic Shaking
Mechanics and Statistics of Postseismic Shaking Open
Analysis of 2 weeks of continuous post‐seismic shaking after the 2019 M7.1 Ridgecrest, CA earthquake sequence using 4 nearby borehole seismometers reveals that continuous ground motions decay as Omori's law in time and follow the Gutenberg…
View article: 2024 California Community Earth Models for Seismic Hazard Assessments Workshop Report
2024 California Community Earth Models for Seismic Hazard Assessments Workshop Report Open
The California Community Earth Models for Seismic Hazard Assessments Workshop (https://www.scec.org/workshops/2024/california-community-models, accessed December 16, 2024) was held online on March 4-5, 2024, with more than 200 participants…
View article: Cross-fade sampling: extremely efficient Bayesian inversion for a variety of geophysical problems
Cross-fade sampling: extremely efficient Bayesian inversion for a variety of geophysical problems Open
SUMMARY This paper introduces cross-fade sampling, a computationally efficient Markov Chain Monte Carlo simulation method that uses a semi-analytical approach to quickly solve Bayesian inverse problems that do not themselves have an analyt…
View article: GRAPES: Earthquake Early Warning by Passing Seismic Vectors Through the Grapevine
GRAPES: Earthquake Early Warning by Passing Seismic Vectors Through the Grapevine Open
Estimating an earthquake's magnitude and location may not be necessary to predict shaking in real time; instead, wavefield‐based approaches predict shaking with few assumptions about the seismic source. Here, we introduce GRAph Prediction …
View article: Uncertainty in Ground-Motion-to-Intensity Conversions Significantly Affects Earthquake Early Warning Alert Regions
Uncertainty in Ground-Motion-to-Intensity Conversions Significantly Affects Earthquake Early Warning Alert Regions Open
We examine how the choice of ground-motion-to-intensity conversion equations (GMICEs) in earthquake early warning (EEW) systems affects resulting alert regions. We find that existing GMICEs can underestimate observed shaking at short ruptu…
View article: Incorporating Intensity Distance Attenuation Into PLUM Ground‐Motion‐Based Earthquake Early Warning in the United States: The APPLES Configuration
Incorporating Intensity Distance Attenuation Into PLUM Ground‐Motion‐Based Earthquake Early Warning in the United States: The APPLES Configuration Open
We develop Attenuated ProPagation of Local Earthquake Shaking (APPLES), a new configuration for the United States West Coast version of the Propagation of Local Undamped Motion (PLUM) earthquake early warning (EEW) algorithm that incorpora…
View article: Rapid shallow megathrust afterslip from the 2021 M8.2 Chignik, Alaska earthquake revealed by seafloor geodesy
Rapid shallow megathrust afterslip from the 2021 M8.2 Chignik, Alaska earthquake revealed by seafloor geodesy Open
The shallower portions of subduction zone megathrust faults host Earth’s most hazardous tsunamigenic earthquakes, yet understanding how and when they slip remains elusive because of challenges making seafloor observations. We performed Glo…
View article: What to expect when you are expecting earthquake early warning
What to expect when you are expecting earthquake early warning Open
SUMMARY We present a strategy for earthquake early warning (EEW) alerting that focuses on providing users with a target level of performance for their shaking level of interest (for example, ensuring that users receive warnings for at leas…
View article: How Low Should We Alert? Quantifying Intensity Threshold Alerting Strategies for Earthquake Early Warning in the United States
How Low Should We Alert? Quantifying Intensity Threshold Alerting Strategies for Earthquake Early Warning in the United States Open
We use a suite of historical earthquakes to quantitatively determine earthquake early warning (EEW) alert threshold strategies for a range of shaking intensity targets for EEW along the United States West Coast. The current method for calc…
View article: Robust Earthquake Early Warning at a Fraction of the Cost: ASTUTI Costa Rica
Robust Earthquake Early Warning at a Fraction of the Cost: ASTUTI Costa Rica Open
We show that a fixed smartphone network can provide robust Earthquake Early Warning for at least two orders of magnitude less cost than scientific‐grade networks. Our software and cloud‐based data architecture that we have constructed for …
View article: The PLUM Earthquake Early Warning Algorithm: A Retrospective Case Study of West Coast, USA, Data
The PLUM Earthquake Early Warning Algorithm: A Retrospective Case Study of West Coast, USA, Data Open
The PLUM (Propagation of Local Undamped Motion) earthquake early warning (EEW) algorithm differs from typical source‐based EEW algorithms as it predicts shaking directly from observed shaking without first deriving earthquake source inform…
View article: A Framework for Evaluating Earthquake Early Warning for an Infrastructure Network: An Idealized Case Study of a Northern California Rail System
A Framework for Evaluating Earthquake Early Warning for an Infrastructure Network: An Idealized Case Study of a Northern California Rail System Open
Earthquake early warning (EEW) systems provide a few to tens of seconds of warning before shaking hits a site. Despite the recent rapid developments of EEW systems around the world, the optimal alert response strategy and the practical ben…
View article: How Often Can Earthquake Early Warning Systems Alert Sites With High‐Intensity Ground Motion?
How Often Can Earthquake Early Warning Systems Alert Sites With High‐Intensity Ground Motion? Open
Although numerous Earthquake Early Warning (EEW) algorithms have been developed to date, we lack a detailed understanding of how often and under what circumstances useful ground motion alerts can be provided to end users. In particular, it…
View article: Peak Ground Displacement Saturates Exactly When Expected: Implications for Earthquake Early Warning
Peak Ground Displacement Saturates Exactly When Expected: Implications for Earthquake Early Warning Open
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 data. ShakeAlert, a prototype earthquake early warning …
View article: The limits of earthquake early warning: Timeliness of ground motion estimates
The limits of earthquake early warning: Timeliness of ground motion estimates Open
In only rare cases will earthquake early warning systems be able to provide useful warnings for high levels of ground motion.
View article: Leveraging geodetic data to reduce losses from earthquakes
Leveraging geodetic data to reduce losses from earthquakes Open
First posted April 23, 2018 For additional information, contact: Contact Information, Menlo Park, Calif. Office—Earthquake Science Center U.S. Geological Survey 345 Middlefield Road, MS 977 Menlo Park, CA 94025 https://earthquake.usgs.gov/…
View article: Research to improve ShakeAlert earthquake early warning products and their utility
Research to improve ShakeAlert earthquake early warning products and their utility Open
First posted August 30, 2018 For additional information, contact: Earthquake Science Center-Pasadena Field OfficeU.S. Geological Survey525 South Wilson Ave.Pasadena, CA 91106-3212 Earthquake early warning (EEW) is the rapid detection of an…
View article: Buried shallow fault slip from the South Napa earthquake revealed by near-field geodesy
Buried shallow fault slip from the South Napa earthquake revealed by near-field geodesy Open
Mobile laser scans of vine rows deformed by the South Napa earthquake record shallow fault slip that does not breach the surface.
View article: Compositional variations in sands of the Bagnold Dunes, Gale crater, Mars, from visible‐shortwave infrared spectroscopy and comparison with ground truth from the Curiosity rover
Compositional variations in sands of the Bagnold Dunes, Gale crater, Mars, from visible‐shortwave infrared spectroscopy and comparison with ground truth from the Curiosity rover Open
During its ascent up Mount Sharp, the Mars Science Laboratory Curiosity rover traversed the Bagnold Dune Field. We model sand modal mineralogy and grain size at four locations near the rover traverse, using orbital shortwave infrared singl…
View article: A probabilistic approach to remote compositional analysis of planetary surfaces
A probabilistic approach to remote compositional analysis of planetary surfaces Open
Reflected light from planetary surfaces provides information, including mineral/ice compositions and grain sizes, by study of albedo and absorption features as a function of wavelength. However, deconvolving the compositional signal in spe…