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Quantifying Uncertainties in Ground Motion-Macroseismic Intensity Conversion Equations. A Probabilistic Relationship for Western China

Journal of earthquake engineering, 2020
We analyze the global and local uncertainties of ground motion-macroseismic intensity conversion equations and derive new probabilistic relationships between the macroseismic intensity and peak ground motion parameters (peak ground acceleration and peak ...
K. Du   +4 more
semanticscholar   +1 more source

The Influence of Cumulative Intensity on Macroseismic Source Parameters: The Case of 2016–2017 and 1703 Seismic Sequences (Central Italy)

Seismological Research Letters, 2022
The macroseismic source parameters of earthquakes occurring within a sequence are strongly influenced by cumulative damage effects. When we deal with historical seismic sequences, in addition to the cumulative intensities, other intrinsic uncertainties
L. Graziani, A. Rovida, A. Tertulliani
semanticscholar   +1 more source

Anisotropic attenuation of the macroseismic intensity

2019
Macroseismic intensity is a measure of the size of an earthquake in terms of the damages caused to the anthropic and natural environment; it is an ordinal quantity expressed through the twelve degrees of the macroseismic scale. The set of intensity values recorded in the sites around the epicenter constitutes the macroseismic field of the event, that ...
R Rotondi, E Varini
openaire   +5 more sources

Macroseismic intensity versus epicentral distance: the case of Central Italy

Tectonophysics, 1991
This paper refers to the attenuation of macroseismic intensity with epicentral distance. A new attenuation law is discussed, with particular reference to Italian conditions. The new formula shows a much better fit compared to traditional attenuation laws.
G. Grandori   +3 more
openaire   +2 more sources

Near-Field Ground Motions and Shaking from the 2019 Mw 7.1 Ridgecrest, California, Mainshock: Insights from Instrumental, Macroseismic Intensity, and Remote-Sensing Data

, 2020
Shaking from the 6 July 2019 Mw 7.1 Ridgecrest, California, mainshock was strongly felt through southern California, but generated relatively minimal structural damage in Ridgecrest.
S. Hough   +5 more
semanticscholar   +1 more source

Investigation of macroseismic intensity of the Mw5.9 September 10, 2016 Kagera earthquake: Implications for site effect amplification

Journal of African Earth Sciences, 2019
The Kagera earthquake of magnitude Mw5.9 occurred on September 10, 2016 at 12:27 GMT, 15:27 local time, with an epicenter located northwest of Bukoba town, in Minziro village close to the border of Tanzania and Uganda.
G. Mulibo
semanticscholar   +1 more source

Influence of Observation Floor and Building Height on Macroseismic Intensity

Seismological Research Letters, 2012
Online material : Distribution of data as a function of MCS intensity and distance; additional information about the intensity residuals and the applied statistical tests. It is well known that perception of transitory effects is quite dependent on an observer’s location.
P. Sbarra   +3 more
openaire   +1 more source

Determination of geomechanical site effects in France from macroseismic intensities and reliability of macroseismic magnitude of historical events

Tectonophysics, 2000
Results from a detailed analysis of the French macroseismic database SIRENE96 show that geomechanical site effects (i.e. site effects due to superficial geology) can be statistically detected and quantified from macroseismic data. Our results are used to derive a predictive map of potential site effects in France and to check if site effects induce a ...
Bossu, R.   +4 more
openaire   +3 more sources

Assessment of macroseismic intensity in the Nile basin, Egypt

Journal of Seismology, 2017
This work intends to assess deterministic seismic hazard and risk analysis in terms of the maximum expected intensity map of the Egyptian Nile basin sector. Seismic source zone model of Egypt was delineated based on updated compatible earthquake catalog in 2015, focal mechanisms, and the common tectonic elements.
openaire   +1 more source

An Anisotropic Attenuation Law of Macroseismic Intensity Performed on Virtual Intensity Distribution of Seismogenic Zones

Pure and Applied Geophysics, 2005
An anisotropic attenuation law, based on an anisotropic characterization of intensity distribution for seismogenic zones, is proposed. This approach, that distinguishes itself for its consistency to the observed data, initially reconfigured by filtering procedures, is particularly suitable for seismic hazard evaluation.
TERMINI, Domenica   +3 more
openaire   +2 more sources

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