Results 41 to 50 of about 3,488 (216)

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

Seismic Vulnerability Analysis Using the Horizontal to Vertical Spectral Ratio (HVSR) Method on the West Palu Bay Coastline

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2023
This research was carried out to make a map of the dominant frequency (f0), amplification factor (A0), seismic susceptibility index (Kg), Vs30, Sediment Layer Thickness (H) and Peak ground acceleration (PGA).
Amirudin, Iktri Madrinovella, Sofian
doaj   +1 more source

KARAKTERISASI KURVA HORIZONTAL-TO-VERTICAL SPECTRAL RATIO: KAJIAN LITERATUR DAN PERMODELAN

open access: yesJurnal Neutrino: Jurnal Fisika dan Aplikasinya, 2012
Metode Horizontal-to-Vertical Spectral Ratio (HVSR) dapat digunakan untuk mikrozonasi kerusakan bangunan akibat gempabumi yang disebabkan efek lokal (geologi setempat).
Sungkono, B.J. Santosa
doaj   +1 more source

Effects of Surface Geology on Seismic Ground Motion Deduced from Ambient-Noise Measurements in the Town of Avellino, Irpinia Region (Italy) [PDF]

open access: yes, 2011
The effects of surface geology on ground motion provide an important tool in seismic hazard studies. It is well known that the presence of soft sediments can cause amplification of the ground motion at the surface, particularly when there is a sharp ...
Amanda J. Chamberlain   +7 more
core   +3 more sources

Delineation of Geothermal Manifestation in Sangubanyu Area Based on Microtremor HVSR Method [PDF]

open access: yesE3S Web of Conferences, 2019
The aims of this study is to describe the distribution of P wave velocity and S wave velocity value and Vp/Vs ratio based on microtremor HVSR method and its relationship with the appearance of hot spring at Sangubanyu Village.
Sudjono Dwi Sudarmawan   +2 more
doaj   +1 more source

Spatial Analysis of Seismic Hazard Based on Dynamical Characteristics of Soil in Kota Baru, South Lampung [PDF]

open access: yes, 2019
Kota Baru, a new capital Lampung province location, planned and developed since 2012, will be a densely populated in near time. The province located in near Semangko fault, southern of Sumatra Island, is a vulnerable area to earthquake.
Ipmawan, V. L. (V)   +2 more
core   +2 more sources

Variance reduction and signal-to-noise ratio: Reducing uncertainty in spectral ratios [PDF]

open access: yes, 2011
This paper uses an unusually large dataset to study scatter in site-effect estimation, focusing on how the events that increase uncertainty can be removed from the dataset.
Chávez-García, Francisco J.   +2 more
core   +3 more sources

SITE EFFECTS IDENTIFICATION USING HVSR METHOD IN CISARUA HOT SPRING AREA, NATAR, SOUTH LAMPUNG

open access: yesJGE
Cisarua, which contains a geothermal hot spring, is an intriguing area to investigate due to its location far from any known heat source or volcanic activity.
Alhada Farduwin   +4 more
doaj   +1 more source

Site Specific Ground Response Analysis for Quantifying Site Amplification at a Regolith Site [PDF]

open access: yes, 2017
A numerical model has demonstrated that it can simulate reasonably well earthquake motions at the ground level during a seismic event. The most widely used model is an equivalent linear approach.
Setiawan, B. (Bambang)
core   +3 more sources

Suitability of Ground‐Motion Models for Seismic Hazard Assessments in Puerto Rico and the US Virgin Islands

open access: yesEarthquake Spectra, Volume 42, Issue 2, May 2026.
We perform linear mixed‐effects analyses with a ground‐motion dataset to evaluate how well ground‐motion models (GMMs) fit active crustal, subduction interface, and subduction intraslab earthquakes in Puerto Rico and the US Virgin Islands. Most of the GMMs reproduce the spatial variation in peak ground motions with earthquake magnitude and rupture ...
Brad T. Aagaard   +2 more
wiley   +1 more source

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