Results 21 to 30 of about 189,434 (209)

Investigating the potential effectiveness of earthquake early warning across Europe

open access: yesNature Communications, 2022
The viability of earthquake early warning (EEW) in Europe is highly dependent on the magnitude of the ongoing earthquake and the ground-shaking threshold for alert issuance. The potential effectiveness of EEW is highest for Turkey, Italy, and Greece.
Gemma Cremen   +2 more
doaj   +1 more source

Next-Generation EEW Empowered by NDSHA: From Concept to Implementation

open access: yesGeosciences, 2021
In this paper, we discuss a possible combination of Earthquake Early Warning (EEW) and Neo-deterministic Seismic Hazard Assessment (NDSHA), and propose a new warning model, EEW2.0. The aim is to provide a differentiated warning alert to various end-users
Yan Zhang   +8 more
doaj   +1 more source

Conditional Spectrum-Based Ground Motion Selection. Part I: Hazard Consistency for Risk-Based Assessments [PDF]

open access: yes, 2013
The conditional spectrum (CS, with mean and variability) is a target response spectrum that links nonlinear dynamic analysis back to probabilistic seismic hazard analysis for ground motion selection.
Baker, Jack W.   +2 more
core   +2 more sources

Dynamic effective stress analysis of a site with liquefiable interlayer: considering vertical and horizontal ground motion

open access: yesFrontiers in Earth Science
This study uses a fully coupled dynamic effective stress analysis method to evaluate the seismic response of a site containing silty sand which is a liquefiable interlayer.
Xiao-Bo Peng   +4 more
doaj   +1 more source

High-resolution satellite imagery analysis of coseismic landslides and liquefaction induced by the 2024 MW 7.4 Hualien earthquake, Taiwan, China

open access: yesEarthquake Research Advances
Rapidly obtaining spatial distribution maps of secondary disasters triggered by strong earthquakes is crucial for understanding the disaster-causing processes in the earthquake hazard chain and formulating effective emergency response measures and post ...
Lingyun Lu   +3 more
doaj   +1 more source

Assessment of the peak tsunami amplitude associated with a large earthquake occurring along the southernmost Ryukyu subduction zone in the region of Taiwan [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2018
The southernmost portion of the Ryukyu Trench near the island of Taiwan potentially generates tsunamigenic earthquakes with magnitudes from 7.5 to 8.7 through shallow rupture. The fault model for this potential region dips 10° northward with a rupture
Y.-S. Sun   +10 more
doaj   +1 more source

Earthquake early warning system [PDF]

open access: yes, 2020
As the climate undergoes changes, the number of natural disasters increase and the severity of these occurrences increases over time. As the population of human race increases, natural protective terrains and barriers were destroyed for urbanization due ...
Abas, Khairul Hamimah   +3 more
core  

Earthquake Risk and Earthquake Insurance

open access: yesHokengakuzasshi (JOURNAL of INSURANCE SCIENCE), 2008
地震リスクには,他のリスクと比較してさまざまな特性があり,そのために保険困難な要素が多い。これを克服するために,空間的リスクに加えて,時間的リスクを大幅に取り込むことで,リスク分散を実現しようとする。しかしこれは,保険原理の観点からは,重大な問題を含んでいる。そこで,本稿では,非常に特異な性質を有する地震保険について,保険原理に照らしながら,構造的特徴ならびに限界について考察しながら,官民役割分担のあり方について論じる。とりわけ,地震保険に見られる逆選択現象の本質を捉えつつ,その対処策として採用されている地域別料率について,過度の採用は水平的不公平を増大させる恐れがあることから,むしろ,耐震構造に対するウェイトを高めた料率設定を行うことが,契約者間の公平性に照らして望ましいことを主張する。
openaire   +2 more sources

Seismic response of deep soft soil sites with varying shear wave velocities

open access: yesFrontiers in Earth Science
The variations in seismic response between deep soft soil sites with different shear wave velocities were not fully understood. This study focuses on the seismic response of deep soft soil sites in the lower reaches of the Yangtze River, China.
Xiao-Bo Peng   +5 more
doaj   +1 more source

Health status identification of modular-block-reinforced soil retaining walls after earthquakes

open access: yesYantu gongcheng xuebao, 2023
Distribution of dynamic characteristics (natural frequency and damping ratio) of large-scale shaking table model tests on a reinforced soil retaining wall (RSRW) under different working conditions is analyzed by using the time-domain identification ...
LI Sihan 1, 2, 3, CAI Xiaoguang 2, 3, 4, JING Liping 1, 5, CAI Boyuan 1, 3, HUANG Xin 1, 2, 3, XU Honglu 5
doaj   +1 more source

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