Results 81 to 90 of about 5,228 (199)

Seismic Microzonation and Geotechnical Modeling Studies Considering Local Site Effects for İnegöl Plain (Bursa‐Turkey)

open access: yesEarth and Space Science, Volume 11, Issue 11, November 2024.
Abstract Local site effects play a vital role in determining the level of structural damage to the structures built on soil. Therefore, correctly determining the underground layer structure and its physical characteristics in the lateral and vertical directions is essential for the geotechnical model.
O. Uyanık   +3 more
wiley   +1 more source

Subsurface Imaging in Urban Areas With Ambient Noise Using DAS and Seismometer Data Sets: Granada, Spain

open access: yesJournal of Geophysical Research: Solid Earth, Volume 129, Issue 11, November 2024.
Abstract Distributed acoustic sensing (DAS) is an innovative technology with great potential for acquiring seismic data sets in urban areas. In this work, we check the suitability of a DAS data set acquired in Granada (Spain) for retrieving subsurface reflectivity from ambient noise. The fiber‐optic is a pre‐existing underground telecommunication cable
B. Benjumea   +8 more
wiley   +1 more source

Integration of HVSR measures and stratigraphic constraints for seismic microzonation studies: the case of Oliveri (ME) [PDF]

open access: yes, 2014
Because of its high seismic hazard the urban area of Oliveri has been subject of first level seismic microzonation. The town develops on a large coastal plain made of mixed fluvial/marine sediments, overlapping a complexly deformed substrate. In order to
CAPIZZI, Patrizia   +9 more
core   +1 more source

Impact of the Offshore Seismograph Network and 3‐D Seismic Velocity Structure Model on Centroid Moment Tensor Analysis for Offshore Earthquakes: Application to the Japan Trench Subduction Zone

open access: yesJournal of Geophysical Research: Solid Earth, Volume 129, Issue 11, November 2024.
Abstract Recently, a widespread and densely continuous‐recording ocean‐bottom seismograph network has been deployed in the Japan Trench subduction zone. Utilizing the offshore network data improves azimuthal station coverage for offshore earthquakes in the Japan Trench subduction zone. It has a potential to obtain centroid moment tensor (CMT) solutions
Lina Yamaya   +3 more
wiley   +1 more source

PEMETAAN KERENTANAN SEISMIK MELALUI ANALISIS MIKROTREMOR HVSR DI WILAYAH KECAMATAN KEMILING DAN SEKITARNYA

open access: yesJGE
Wilayah Kemiling yang terletak di Kota Bandar Lampung sering kali mengalami gempa lokal dengan magnitudo kecil. Gempa ini terjadi secara berulang dan dirasakan di daerah Kemiling dan sekitarnya.
Agus Ariyanto   +7 more
doaj   +1 more source

Usability of Community Seismic Network recordings for ground‐motion modeling

open access: yesEarthquake Spectra, Volume 40, Issue 4, Page 2598-2622, November 2024.
A source of ground‐motion recordings in urban Los Angeles that has seen limited prior application is the Community Seismic Network (CSN), which uses low‐cost, micro–electro–mechanical system (MEMS) sensors that are deployed at much higher densities than stations for other networks.
Shako Mohammed   +6 more
wiley   +1 more source

A Weighted Overlay Method for Liquefaction-Related Urban Damage Detection: A Case Study of the 6 September 2018 Hokkaido Eastern Iburi Earthquake, Japan

open access: yesGeosciences, 2018
We performed interferometric synthetic aperture radar (InSAR) analyses to observe ground displacements and assess damage after the M 6.6 Hokkaido Eastern Iburi earthquake in northern Japan on 6 September 2018.
Sadra Karimzadeh, Masashi Matsuoka
doaj   +1 more source

Analysis of site‐response residuals from empirical ground‐motion models to account for observed sedimentary basin effects in Wellington, New Zealand

open access: yesEarthquake Spectra, Volume 40, Issue 4, Page 2475-2503, November 2024.
Analysis of prediction–observation residuals from the empirical ground‐motion models (GMMs) used in the 2022 New Zealand National Seismic Hazard Model (NZ NSHM) update indicates a general underprediction of ground motions in the period range of 0.5−2 s for soft sedimentary basin sites in Wellington.
Christopher A de la Torre   +6 more
wiley   +1 more source

Buildings Structure Response Due to Railway Traffic

open access: yesCommunications, 2013
The free-field dynamic response at the distance and dynamic response of building structures due to railway traffic calculation procedures is described in this paper.
Jan Bencat, Krzysztof Stypula
doaj   +1 more source

Assessing the internal structure of landslide dams subject to possible piping erosion by means of microtremor chain array and self-potential surveys [PDF]

open access: yes, 2018
An integrated geophysical approach comprising microtremor chain array and self-potential surveys was used to assess the internal structure of landslide dams subject to possible piping erosion in selected sites in Japan and Kyrgyzstan.
Hayashi, Hisao   +4 more
core   +1 more source

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