J. A. Fernández Merodo

Instituto Geológico y Minero de España

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Gerardo Herrera

Instituto Geológico y Minero de España

Marta Béjar‐Pizarro

Instituto Geológico y Minero de España

Pablo Ezquerro

Agencia de Medio Ambiente y Agua de Andalucía

Manuel Pastor

Universidad Politécnica de Madrid

Juan Carlos García-Davalillo

Instituto Geológico y Minero de España

Pablo Mira

Universidad Politécnica de Cartagena

Roberto Tomás

Hospital de Clínicas "José de San Martín"

Rosa María Mateos

Instituto Geológico y Minero de España

J. Mulas

Instituto Geológico y Minero de España

Roberto Sarro

Instituto Geológico y Minero de España

Cooperative Institutions

Instituto Geológico y Minero de España

Universidad Politécnica de Madrid

University of Alicante

Universidad de Granada

Centro de Estudios y Experimentación de Obras Públicas

Consejo Superior de Investigaciones Científicas

Centre Tecnologic de Telecomunicacions de Catalunya

Istituto Superiore per la Protezione e la Ricerca Ambientale

University of Florence

Instituto de España

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Regional and local seismic hazard mapping for seismic risk mitigation of Santiago de los Caballeros (Dominican Republic)

HAL (Le Centre pour la Communication Scientifique Directe) (2011)

Myriam Belvaux Didier Bertil Agathe Roullé E. Lopera Luis Laín-Huerta

In order to propose methodological solutions for reducing seismic risk in Caribbean urban zones, efforts concentrate on applying research activities. For example, elaborating seismic risk scenarios allows a better assessment of the consequences of an earthquake affecting the organization of social structures, in order to highlight sensitive sectors where considering seismic risk must be given priority. Because of its primary objectives, the SYSMIN II program in Dominican Republic takes place in this context. In this paper, we show how methodologies developed during seismic microzonation studies in the French West Indies, were suitable to be applied to the case of Hispaniola, the second island in the Greater Antilles. The north of Hispaniola is threatened by the eventual rupture of a major seismogenic fault zone, named Septentrional. The town of Santiago de los Caballeros in the Dominican Republic is particularly exposed because of its close location to this fault (<10 km). The paper gathers results obtained from the seismic hazard and microzonation studies developed in the city of Santiago: i) quantification of regional seismic hazard dominated by the Septentrional fault, ii) a new geological mapping of superficial formations at the scale 1:10.000, and iii) mapping of zones of homogeneous seismic response and liquefaction susceptibility. These interpretations are based on field geotechnical and geophysical measures, but also on the geological expertise achieved over several years in the Cibao region by the consortium IGME-BRGM-INYPSA. On the French West Indies, the volcanic origin of the geological formations punctuated by sedimentary episodes, gives a particular signature to the amplification phenomena of seismic vibrations due to site effects. The investigations carried out in Santiago revealed a new issue: surprisingly minor site effects (based on the H/V method of ambient noise) in the plastic continental argillaceous unit that represents the main layer for foundations in the whole city area.

Seismic risk

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Twenty-year advanced DInSAR analysis of severe land subsidence: The Alto Guadalentín Basin (Spain) case study

Engineering Geology (2015)

Roberta Bonì Gerardo Herrera Claudia Meisina Davide Notti Marta Béjar‐Pizarro

Vertical displacement

Pluvial

10.1016/j.enggeo.2015.08.014

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Citations (77)

Geología para el estudio de microzonación sísmica en Santiago de los Caballeros, República Dominicana

Sémata Ciencias Sociais e Humanidades (2017)

Miguel Llorente Myriam Belvaux Enrique Bernárdez Didier Bertil J. A. Fernández Merodo

Tras el terremoto de Haití de 2010 dio comienzo una iniciativa para estudiar los posibles efectos de los terremotos en la ciudad de Santiago de los Caballeros (República Dominicana); la segunda ciudad más importante del país y que ya fue reconstruida y reubicada en 1562. El daño debido a un terremoto ocurre asociado a un conjunto de factores, entre ellos, la aceleración del suelo. El efecto de la atenuación de la distancia en un radio de unos pocos kilómetros suele ser mucho menos relevante que el efecto de la variación en las propiedades de los suelos. Este artículo recoge los resultados obtenidos de los estudios de peligro sísmico y microzonificación sísmica en la ciudad de Santiago de los Caballeros: i) cuantificación del peligro sísmico regional debido a la falla septentrional; ii) un nuevo mapa geológico y iii) la cartografía de zonas de respuesta sísmica homogénea y susceptibilidad a la licuefacción.

10.15304/s.29.4176

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Multiband PSInSAR and long-period monitoring of land subsidence in a strategic detrital aquifer (Vega de Granada, SE Spain): An approach to support management decisions

Journal of Hydrology (2017)

Rosa María Mateos Pablo Ezquerro Juan Antonio Luque-Espinar Marta Béjar‐Pizarro Davide Notti

10.1016/j.jhydrol.2017.07.056

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Citations (26)

Analysis of SAR-derived products to support emergency management during volcanic crisis: La Palma case study

Remote Sensing of Environment (2023)

Pablo Ezquerro Guadalupe Brú Inés Galindo Oriol Monserrat Juan Carlos García-Davalillo

This paper analyses the performance of SAR-based results to support emergency management operations during the volcanic crisis of La Palma island. Tajogaite eruption began on September 19th 2021 affecting a high populated area and the surrounding farmland, used for different agricultural purposes. SAR datasets obtained from Sentinel-1, COSMO-SkyMED, PAZ-TerraSAR-X and Capella satellites, were processed to calculate amplitude, coherence and differential interferograms. These results have permitted to map the morphology of the volcanic cone, the evolution of lava flows and the regional displacements. The comparison of the results obtained with the different satellites has been useful to understand their performance during an emergency scenario triggered by a volcanic eruption. COSMO-SkyMED has provided the most useful information for the analysis of the cone morphology and the lava flows. Sentinel-1 showed the best performance for regional displacements monitoring, whereas PAZ results was the second best option for all the retrieved products.

Vulcanian eruption

10.1016/j.rse.2023.113668

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Citations (6)

Multi-sensor advanced DInSAR monitoring of very slow landslides: The Tena Valley case study (Central Spanish Pyrenees)

Remote Sensing of Environment (2012)

Gerardo Herrera Francisco Gutiérrez Juan Carlos García-Davalillo Jesús Guerrero Davide Notti

10.1016/j.rse.2012.09.020

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Citations (291)

Mathematical, Constitutive and Numerical Modelling of Catastrophic Landslides and Related Phenomena

Rock Mechanics and Rock Engineering (2007)

Manuel Pastor J. A. Fernández Merodo Isabel Herreros Pablo Mira E. González

Numerical models

Mathematical Theory

10.1007/s00603-007-0132-0

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Citations (23)

Modeling historical subsidence due to groundwater withdrawal in the Alto Guadalentín aquifer-system (Spain)

Engineering Geology (2021)

J. A. Fernández Merodo Pablo Ezquerro Diego Manzanal Marta Béjar‐Pizarro Rosa María Mateos

Oedometer test

Void ratio

Aquifer properties

Consolidation

Groundwater model

10.1016/j.enggeo.2021.105998

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Citations (13)

Numerical modelling of dynamic consolidation on granular soils

International Journal for Numerical and Analytical Methods in Geomechanics (2007)

Susana López‐Querol J. A. Fernández Merodo Pablo Mira Manuel Pastor

Abstract The application of Pastor–Zienkiewicz constitutive model for sands to dynamic consolidation problems is presented in this paper. This model is implemented in a coupled code formulated in terms of displacements for both solid and fluid phases ( u − w formulation), which is firstly compared with u − p w formulation for some simple examples. Its range of validity, previously established for elastic problems and harmonic loading, is explored. Once the suitability of the u − w formulation has been ascertained for this kind of dynamic problems in soils, one‐ and two‐dimensional (plane strain) dynamic consolidation numerical examples are provided, aiming to give some light into the physics of this ground improvement technique. A ‘wave of dryness’, observed at the soil surface during the impact in field cases, is numerically reproduced and justified. Some hints on the influence of the loading zone size are also given. Copyright © 2007 John Wiley & Sons, Ltd.

Consolidation

10.1002/nag.676

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Citations (35)

3D groundwater flow and deformation modelling of Madrid aquifer

Journal of Hydrology (2020)

Roberta Bonì Claudia Meisina Pietro Teatini Francesco Zucca Claudia Zoccarato

Piezometer

Specific storage

Hydraulic head

Forcing (mathematics)

Cone of depression

Groundwater model

10.1016/j.jhydrol.2020.124773

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Citations (41)