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La pandemia de la Covid-19 causa un período de silencio sísmico

23-07-2020 Research News

La pandemia por la Covid-19 ha provocado un parón de la actividad humana a nivel mundial. Ciudadanos de diferentes países han permanecido confinados en sus casas durante semanas, dejando de usar durante ese periodo los transportes y provocando el cierre de algunas empresas y fábricas.

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OPEN POSITIONS

19-07-2020 Institutional News

Geociencias Barcelona (GEO3BCN) busca a una persona para cubrir la vacante de gestor de proyectos, colaborando en la planificación y programación de las tareas y actividad de los proyectos, entre otras funciones. Buscamos candidatos que hayan finalizado la licenciatura o el Grado en Administración y Dirección de Empresas, Grado en Economía o Grado en Geología.

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SIT4ME held a new working meeting to get ready for the last year of the project

25-06-2020 Research News

Representatives from all four partners of SIT4ME project met together via video-conference last 23rd June for a new working meeting to prepare the last year of the project. Ramon Carbonell (PI), Irene DeFelipe and Juan Alcalde, from ICTJA-CSIC; Alireza Malehmir, from Uppsala University, Stefan Buske, from TUBAF, and Dirk Orlowsky gathered online to update the progress of the project and to plan the next activities.

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From planet Earth to exoplanets: new life research frontiers in astrobiogeology

22-06-2020 Research News

Is the exoplanet Kepler-452 b, located at fourteen hundred light years from Earth -potentially habitable? At what other places of the Universe can the phenomenon of life have taken place? All these questions on life research inside and outside the Solar System are the thread of the journey in the book "(In)habitabilidad planetaria. Fundamentos de astrobiogeología" (Ed. Marcombo).

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How seismometers record church bells ringing

16-06-2020 Research News

A new study has compared the different types of bell ringing to indicate the passage of time used in several European countries using recordings of seismometers installed near bell towers. The study, made by ICTJA-CSIC researcher Jordi Díaz and recently published in “Journal of Seismology”, describes the characteristics of the seismic signal recorded by stations installed close to four churches from Greece, France, Italy and Spain. The work reflects the existing differences traditions still active in Europe to mark the hours with bell ringing.

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New PhD thesis sheds light on the dynamics and evolution of double subduction systems with opposite polarity

15-06-2020 Research News

Mireia Peral defended her PhD Thesis entitled “Dynamics of subduction systems with opposite polarity in adjacent segments: application to the westernmost Mediterranean” on June On 3rd June. The main purpose of the work, which has been supervised by Manel Fernández, researcher at ICTJA-CSIC, and Sergio Zlotnikm from Universitat Politècnica de Catalunya (UPC), was to study and to better understand the evolution and dynamics of double subduction systems characterized by opposite dip polarity determining the relevant physical parameters that characterize a process that, according to Mireia Peral, is “still poorly understood”.

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Unravelling the causes of the Neotropical biodiversity

04-06-2020 Research News

It is estimated that the Amazon forest contains more tree species diversity in per square kilometer than do all temperate forests of Europe, North America, and Asia combined. It is just an example of the wondrous biological diversity of the Neotropics. But, what are the processes and mechanisms that drive this biological richness? It is one of the questions that the new book "Neotropical diversification: Patterns and Processes" (Springer) aims to answer. The book is edited by Valentí Rull, ICTJA-CSIC researcher, and Ana Carolina Carnaval, Molecular Ecology professor in the City University of Nueva York.

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Monitoring the "seismic heartbeat" of the city during the coronavirus lockdown

30-04-2020 Research News

The lockdown to curtail the spread of the coronavirus has also been reflected in the seismometers records. ICTJA-CSIC researcher, Jordi Díaz, has been analyzing, since last March 13, when lockdown was declared, the variations of the ground vibrations recorded by the seismic stations deployed in Barcelona, both by the 15 sensors deployed within the framework of the SANIMS project in different secondary schools as well as by the permanent seismic sensors from Institut Cartográfic i Geològic de Catalunya (ICGC).

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SERA project comes to an end

27-04-2020 Research News

After three years, SERA project (Seismology and Earthquake Engineering Research Infraestucture Aliance for Europe) comes to an end. The project final meeting was virtually held on 23 and 24 of April. During the meeting, each working package presented its main achievements and provided a summary of all activities conducted in the framework of SERA. Irene DeFelipe and Ramon Carbonell took part on this final meeting.

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Joan Martí explica en Investigación y Ciencia una posible solución al origen de la caldera de Las Cañadas

15-05-2020 GEO3BCN in the Media

El investigador del Instituto de Ciencias de la Tierra Jaume Almera (ICTJA-CSIC) Joan Martí ha publicado en la revista Investigación y Ciencia un artículo sobre el origen de la caldera de Las Cañadas. Martí expone alguna de las principales conclusiones de un reciente trabajo de revisión publicado en Earth-Science Reviews. “Hemos revisado toda la información disponible sobre el origen de la caldera de Las Cañadas y su controversia. Un análisis exhaustivo de dichas pruebas revela que la estructura tinerfeña no se originó en un único evento, sino a raíz de varios procesos de colapso espaciados a lo largo del tiempo...

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Daniel García-Castellanos analiza la fragilidad de los deltas en The Conversation

15-05-2020 GEO3BCN in the Media

‘La tormenta Gloria deja una nueva isla y nos recuerda el delicado equilibrio del delta del Ebro’ es el título del artículo que el investigador del Instituto de Ciencias de la Tierra Jaume Almera del CSIC (ICTJA-CSIC), Daniel García-Castellanos, ha publicado en The Conversation. García-Castellanos pone el foco en la fragilidad de los deltas, analizando los efectos que dejó el temporal Gloria en el delta del Ebro el pasado enero. “El 21 de enero de 2020, el viento y las bajas presiones asociados a la borrasca Gloria hicieron subir las aguas del Mediterráneo alrededor de un metro. Las olas de...

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El análisis de Jordi Díaz sobre la reducción del ruido sísmico en Barcelona durante el confinamiento en los medios

05-05-2020 GEO3BCN in the Media

La reducción del ruido sísmico en las ciudades ha llamado la atención de los medios. Así, medios como El País, La Vanguardia, Diari de Tarragona, El Periódico, Voz Populi o la Agencia Sinc entre otros se han hecho eco del seguimiento que ha realizado el investigador del Instituto de Ciencias de la Tierra Jaume Almera (ICTJA-CSIC) Jordi Díaz sobre las variaciones en el nivel de vibraciones detectado por las estaciones sísmicas instaladas en la ciudad de Barcelona.

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El análisis de Joan Martí sobre la última erupción del Anak Krakatau

20-04-2020 GEO3BCN in the Media

El pasado 20 de abril el volcán Anak Krakatoa produjo su última erupción. Para analizar este fenómeno, la Agencia EFE elaboró un reportaje sobre este volcán para el que recabó la opinión Joan Martí, investigador del Instituto de Ciencias de la Tierra Jaume Almera (ICTJA-CSIC). El reportaje se publicó en la edición mexicana de la revista Q.

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Entrevista a Jordi Díaz sobre sismicidad y ruido sísmico en geocast away

06-04-2020 GEO3BCN in the Media

Jordi Díaz, investigador del Instituto de Ciencias de la Tierra Jaume Almera (ICTJA-CSIC), charla con Oscar Jane en un nuevo episodio del podcast geocast away. En la entrevista, Díaz pone el foco en la labor de los sismólogos y en las herramientas con las que trabajan para conocer más a fondo nuestro planeta.

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El proyecto SANIMS en L’Hdigital

13-03-2020 GEO3BCN in the Media

El informativo de L’Hdigital, medio de comunicación digital de L’Hospitalet, cuenta la experiencia del Colegio Tecla Sala en el proyecto SANIMS. Jordi Díaz, investigador del Instituto de Ciencias de la Tierra Jaume Almera (ICTJA-CSIC), explica en esta pieza informativa cómo funcionan los sismómetros y cómo se están utilizando estas herramientas en el proyecto.

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Juan Alcalde reflexiona sobre la seguridad de la captura y almacenamiento subterráneo de CO2 en The Conversation

11-03-2020 GEO3BCN in the Media

El investigador del Instituto de Ciencias de la Tierra Jaume Almera (ICTA-CSIC) Juan Alcade ha publicado en The Conversation un artículo sobre las CAC, tecnologías de captura y almacenamiento de CO2.

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La megainundación del Zancliense llama la atención de los medios

26-01-2020 GEO3BCN in the Media

El nuevo estudio publicado por Daniel García-Castellanos en Earth-Science Reviews, y en el que hace una revisión sobre las evidencias encontradas hasta el momento que respaldan la hipótesis sobre la megainundación ocurrida durante el periodo Zancliense ha sido objeto de la atención de varios medios de comunicación. National Geographic, EOS Magazine, ABC y Onda Cero, entre otros, se han hecho eco de este nuevo trabajo sobre el final de la Crisis Salina del Messiniense.

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Adelina Geyer comenta para La Vaguardia la erupción del volcán Taal

13-01-2020 GEO3BCN in the Media

El periódico La Vanguardia se ha hecho eco de la reciente erupción del volcánl Taal (Filipinas). Para contextualizar este último episodio eruptivo del volcán filipino, ha contado con la ayuda de Adelina Geyer, investigadora del ICTJA-CSIC. “El volcán de Taal es uno de los más activos de Filipinas con varias erupciones bastante violentas en los últimos 2-3 siglos”, ha explicado Geyer.

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One of the aims of the SANIMS project is to promote the knowledge on seismology and Earth Sciences among young students. Thus, researchers of the Institute of Earth Sciences Jaume Almera of the CSIC (ICTJA-CSIC) have installed 12 seismic stations in several secondary schools located in Barcelona area forming what the SANIMS project coordinators called ‘Educational Seismic Network’.

Seismic stations were installed in November and December of 2019 in 12 secondary schools. The education centers offered their premises to install one component (vertical)Raspberry Shake Seismometers. These seismometers transmit the recorded data to an external data base, which is online accessible in near real time.

"We’ve been able to deploy a seismic network with a high resolution scale, since it covers an area of approximately 10 km2 within the city. In addition, the geometry of the network allows us to cover the main geological units in the Barcelona area", said Jordi Díaz, researcher at ICTJA-CSIC and coordinator of the SANIMS project.

In return an introductory talk is given to the students of the involved schools by project members , with the main objective of increasing their curiosity about issues related to seismology and, in particular, how seismic waves are recorded and what information can be retrieved from their study.

"The idea is to use the fascination power of earthquakes to introduce students in Earth Sciences and stimulate their motivation to continue learning using the multiple tools available online", said Jordi Díaz.

“Our experience shows that students are attracted to directly see how the waves from distant earthquakes shake the school building in a detectable way, a fact that seems obvious to Earth scientists, but that is surprising to people without training in this field.”, added Díaz.

The introductory talks are complemented by a hands-on session in which the data acquired in each school are analyzed. Students are then able to notice, for example, the day/night and business day/weekend variations of the background noise, as well as the noise variations directly related to the scholar activity.

"The presence of Earth Sciences in the official secondary education curriculum has been decreasing in recent years and we strongly believe that it is urgent to carry out actions to attract students to this research area" says the ICTJA- CSIC researcher.

Beyond dissemination goals, the deployed network also has an scientific objective. Project coordinators want to check "if it is possible to obtain a tomographic subsurface image of the city from the data recorded by the network stations”.

Seismic networks installed in educational centers have been developed in other countries in the last 10 years, such as in the United States, Great Britain or Australia. According to SANIMS coordinators, these initiatives "have been proven to be useful for connecting students to Earth Sciences".

Martin Schimmel, Mario Ruiz y Ramon Carbonell are the other ICTJA-CSIC researchers also involved in SANIMS project.

Original Article

Diaz, J., Schimmel, M., Ruiz, M., & Carbonell, R. (2020). Seismometers Within Cities: A Tool to Connect Earth Sciences and Society . In Frontiers in Earth Science (Vol. 8, p. 9). https://www.frontiersin.org/article/10.3389/feart.2020.00009

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