Results 51 to 60 of about 682 (123)

Performance of Several Low‐Cost Accelerometers [PDF]

open access: yes, 2014
Several groups are implementing low-cost host-operated systems of strong-motion accelerographs to support the somewhat divergent needs of seismologists and earthquake engineers.
Allen, Richard M.   +6 more
core   +2 more sources

Slow Rupture, Long Rise Times, and Multi‐Fault Geometry: The 2020 M6.4 Southwestern Puerto Rico Mainshock

open access: yesGeophysical Research Letters, Volume 52, Issue 8, 28 April 2025.
Abstract The M6.4 mainshock of the southwestern Puerto Rico seismic sequence on 7 January 2020, was one of the most impactful modern earthquakes in the northeastern Caribbean. Due to its offshore location and complex aftershock distribution, its source kinematics remain poorly constrained.
M. M. Solares‐Colón   +7 more
wiley   +1 more source

Observations and modeling of long-period ground-motion amplification across northeast China [PDF]

open access: yes, 2018
Basin resonances can significantly amplify and prolong ground shaking, and accurate site‐amplification estimates are crucial for mitigating potential seismic hazards within metropolitan basins.
Chen, Haichao   +2 more
core   +1 more source

Regional Back‐Analysis of Earthquake Triggered Landslide Inventories: A 2D Method for Estimating Rock Strength From Remote Sensing Data

open access: yesJournal of Geophysical Research: Earth Surface, Volume 130, Issue 1, January 2025.
Abstract Landslides occur where the stresses below the surface exceed the shear strength of the material. Landslide inventories thus offer opportunities to investigate patterns in subsurface strength provided that the stress conditions at failure can be estimated. Clues to the failure stresses are encoded in the inclination of the slope that failed and
William G. Medwedeff   +2 more
wiley   +1 more source

CyberShake-derived ground-motion prediction models for the Los Angeles region with application to earthquake early warning [PDF]

open access: yes, 2017
Real-time applications such as earthquake early warning (EEW) typically use empirical ground-motion prediction equations (GMPEs) along with event magnitude and source-to-site distances to estimate expected shaking levels.
Böse, Maren   +4 more
core  

Accounting for ground‐motion uncertainty in empirical seismic fragility modeling

open access: yesEarthquake Spectra, Volume 40, Issue 4, Page 2456-2474, November 2024.
Seismic fragility models provide a probabilistic relation between ground‐motion intensity and damage, making them a crucial component of many regional risk assessments. Estimating such models from damage data gathered after past earthquakes is challenging because of uncertainty in the ground‐motion intensity the structures were subjected to.
Lukas Bodenmann   +2 more
wiley   +1 more source

Seismic monitoring and analysis of deep geothermal projects in St Gallen and Basel, Switzerland [PDF]

open access: yes, 2017
Monitoring and understanding induced seismicity is critical in order to estimate and mitigate seismic risk related to numerous existing and emerging techniques for natural resource exploitation in the shallow-crust.
Cauzzi, Carlo   +4 more
core  

The 2023 Alaska National Seismic Hazard Model

open access: yesEarthquake Spectra, Volume 40, Issue 4, Page 2545-2597, November 2024.
US Geological Survey (USGS) National Seismic Hazard Models (NSHMs) are used extensively for seismic design regulations in the United States and earthquake scenario development, as well as risk assessment and mitigation for both buildings and infrastructure.
Peter M Powers   +17 more
wiley   +1 more source

Damage‐informed ground motion and semi‐empirical fragility assessment

open access: yesEarthquake Engineering &Structural Dynamics, Volume 53, Issue 11, Page 3514-3526, September 2024.
Abstract Calibrating parametric fragility curves via empirical damage data is one of the standard approaches to derive seismic structural vulnerability models. Fragilities based on empirical data require the characterization of the ground motion (GM) intensity at the building sites in the area affected by the earthquake producing the observed damages ...
Iunio Iervolino   +3 more
wiley   +1 more source

FinDer v.2: Improved real-time ground-motion predictions for M2–M9 with seismic finite-source characterization [PDF]

open access: yes, 2018
Recent studies suggest that small and large earthquakes nucleate similarly, and that they often have indistinguishable seismic waveform onsets. The characterization of earthquakes in real time, such as for earthquake early warning, therefore requires a ...
Böse, M.   +5 more
core  

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