Results 21 to 30 of about 5,209 (199)

Seismic site effects in a deep alluvial basin: numerical analysis by the boundary element method [PDF]

open access: yes, 2002
The main purpose of the paper is the numerical analysis of seismic site effects in Caracas (Venezuela). The analysis is performed considering the boundary element method in the frequency domain.
A.M. Duval   +19 more
core   +5 more sources

Numerical analysis of seismic wave amplification in Nice (France) and comparisons with experiments [PDF]

open access: yes, 2000
The analysis of site effects is very important since the amplification of seismic motion in some specific areas can be very strong. In this paper, the site considered is located in the centre of Nice on the French Riviera.
A.-M Duval   +28 more
core   +5 more sources

THE CHANGE OF ROCK CONDITION OBSERVED BY H/V SPECTRAL AND ELLIPTICITY CURVE INVERSION ANALYSIS (CASE STUDY: PALU EARTHQUAKE SEPTEMBER 28, 2018)

open access: yesSpektra: Jurnal Fisika dan Aplikasinya, 2020
Palu City is composed of sedimentary rocks so that it has a high level of vulnerability when an earthquake occurs. The earthquake that occurred on September 28, 2018, 25 km north of Donggala with a magnitude of 7.4 Mw, had caused a tsunami that struck ...
Sandy Tri Gustono   +3 more
doaj   +1 more source

Preliminary study on abnormal characteristics of microtremor before Hebei Tangshan M5.1 earthquake in 2020

open access: yes地震科学进展, 2021
This paper analyzes the data of Hebei digital seismographic stations Chengde, Laiyuan, Luanxian, Jingtanggang and Qianxi before the Tangshan M5.1 earthquake in 2020.
Jiaqi Wang   +3 more
doaj   +1 more source

Measuring miniature eye movements by means of a SQUID magnetometer [PDF]

open access: yes, 1982
A new technique to measure small eye movements is reported. The precise recording of human eye movements is necessary for research on visual fatigue induced by visual display units.1 So far all methods used have disadvantages: especially those which are ...
Breukink, E.W.   +4 more
core   +4 more sources

Microtremor response of a mass movement in Federal District of Brazil [PDF]

open access: yes, 2017
The present study provides a brief description of the ambient noise recorded at a slow moving mass movement in Ribeirão Contagem Basin. The area is an interesting natural laboratory as river detachment processes in a number of different stages can be ...
Cárdenas-Soto, Martin   +5 more
core   +2 more sources

ANALISIS KETEBALAN LAPISAN SEDIMEN DAN INDEKS KERENTANAN SEISMIK KOTA JAMBI BAGIAN TIMUR

open access: yesJGE, 2020
A Research was carried about analysis of sediment layer thickness and seismic vulnerability index in eastern Jambi City. The purpose of this research was to  determine the effect of sediment layer thickness on seismic vulnerability index in eastern Jambi
Arie Satria, Ichy Lucya Resta, Nasri MZ
doaj   +1 more source

A computer code for forward calculation and inversion of the H/V spectral ratio under the diffuse field assumption [PDF]

open access: yes, 2016
During a quarter of a century, the main characteristics of the horizontal-to-vertical spectral ratio of ambient noise HVSRN have been extensively used for site effect assessment.
Aki   +55 more
core   +3 more sources

A Microtremor Survey to Identify Seismic Vulnerability Around Banda Aceh Using HVSR Analysis

open access: yesElkawnie: Journal of Islamic Science and Technology, 2020
: Banda Aceh can be categorized as an earthquake-prone city because of the existence of two active segments namely Seulimeum and Aceh. Both segments are considered to provide great potential damage in the future. In this article, we conduct a microtremor
Andrean Vesalius Hasiholan Simanjuntak   +4 more
doaj   +1 more source

Rock mass characterization coupled with seismic noise measurements to analyze the unstable cliff slope of the Selmun Promontory (Malta) [PDF]

open access: yes, 2017
In the Mediterranean area, cliff slopes represent widespread high-risk landforms as they are highly frequented touristic places often interested by landslide processes.
D’Amico, Sebastiano   +3 more
core   +1 more source

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