Results 41 to 50 of about 2,296 (203)

Seismically-induced landslides by a low-magnitude earthquake: The Mw 4.7 Ossa De Montiel event (central Spain) [PDF]

open access: yes, 2015
The Ossa de Montiel (2015/02/23, Mw 4.7) earthquake struck the central part of Spain and was felt far from the epicenter (> 300 km). Even though ground shaking was slight (Imax = V, EMS-98 scale), the earthquake triggered many small rock falls, most at ...
Delgado, Jose   +6 more
core   +2 more sources

Site Response Models Based on Geometric Parameters for Southern California Sedimentary Basins

open access: yesEarthquake Spectra, Volume 42, Issue 1, February 2026.
Site response in sedimentary basins is influenced by complex three‐dimensional (3D) features, including trapping of seismic waves, focusing of seismic energy and basin resonance. Current ground motion models (GMMs) incorporate basin effects using one‐dimensional parameters like VS30 and shear wave velocity isosurface depths, which are limited in ...
Rashid Shams   +2 more
wiley   +1 more source

Antimicrobial Phenolic Materials: From Assembly to Function

open access: yesAngewandte Chemie, Volume 137, Issue 13, March 24, 2025.
Natural polyphenols, primarily found in plants, can possess antimicrobial properties and have therefore been exploited widely. This review examines the antimicrobial mechanisms of polyphenols and their development into antimicrobial materials, including as particles, hydrogels, coatings and macroscopic structures.
Wanjun Xu   +4 more
wiley   +2 more sources

Development of an offshore ground motion prediction equation for peak ground acceleration considering path effects based on S-net data

open access: yesEarth, Planets and Space
Ground motion prediction equations (GMPEs) in offshore regions are important not only for earthquake early warning systems and strong motion prediction but also for evaluating the durability of subsea structures and tsunami risks associated with seafloor
Ryo Nakanishi, Shunsuke Takemura
doaj   +1 more source

Physically Based and Empirical Ground Motion Prediction Equations for Multiple Intensity Measures (PGA, PGV, Ia, FIV3, CII, and Maximum Fourier Acceleration Spectra) on Sakhalin Island

open access: yesGeosciences, 2023
In the present study, empirical attenuation relations for multiple ground motion intensity measures (PGA, PGV, Ia, FIV3, CII, and MFAS) were developed for Sakhalin Island (in the far east of Russia).
Alexey Konovalov   +3 more
doaj   +1 more source

Development of an open-source platform for calculating losses from earthquakes [PDF]

open access: yes, 2012
Risk analysis has a critical role in the reduction of casualties and damages due to earthquakes. Recognition of this relation has led to a rapid rise in demand for accurate, reliable and flexible risk assessment numerical tools and software.
Crowley, H.   +3 more
core   +1 more source

Long-period surface motion of the multi-patch Mw9.0 Tohoku-Oki earthquake [PDF]

open access: yes, 2014
We show that it is possible to capture the oscillatory ground motion induced by the Tohoku-Oki event for periods ranging from 3 to 100s using Precise Point Positioning (PPP).
Anderson   +84 more
core   +3 more sources

Unsupervised Learning for the Comprehensive Exploration of Continuous‐DAS Data

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 2, Issue 4, December 2025.
Abstract Distributed acoustic sensing (DAS) enables cost‐effective, dense detection of seismic activity. However, the vast amount of data produced by DAS systems presents a significant challenge for labeling and analysis. Traditional supervised machine learning approaches require extensive labeling, which is time‐consuming and prone to user bias.
C. Huynh   +6 more
wiley   +1 more source

A Rapid Estimation Method for Post-earthquake Building Losses

open access: yesInternational Journal of Disaster Risk Science, 2023
Rapid estimation of post-earthquake building damage and loss is very important in urgent response efforts. The current approach leaves much room for improvement in estimating ground motion and correctly incorporating the uncertainty and spatial ...
Dengke Zhao   +5 more
doaj   +1 more source

The Te Puninga Fault, Hauraki Plains: a new seismic source in the low seismicity northern region of New Zealand

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 68, Issue 4, Page 609-627, December 2025.
ABSTRACT In this study, we provide the first field‐based assessment of the seismic potential of the Te Puninga Fault, Hauraki Plains, Waikato region. Initially considered to be part of the nearby Kerepehi Fault, our new mapping and field data suggest the Te Puninga Fault is independent.
Pilar Villamor   +8 more
wiley   +1 more source

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