Research team Fabio Speranza - Senior Scientist - INGV

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Presentation transcript:

Ongoing paleomagnetic and seismological investigations in South American Andes Research team Fabio Speranza - Senior Scientist - INGV Claudio Faccenna - Full Professor - Università Roma Tre Claudio Chiarabba - Research Director - INGV Catalina Hernández Moreno - PhD student - INGV Giovanny Jimenez Diaz - PhD student - Università Roma Tre Danilo Seccia - PhD student - INGV

1-PATTERN OF PALEOMAGNETIC ROTATION IN THE CENTRAL ANDES (NW ARGENTINA) PUBLISHED ARTICLE: Maffione, M., F. Speranza, and C. Faccenna (2009), Bending of the Bolivian orocline and growth of the central Andean plateau: Paleomagnetic and structural constraints from the Eastern Cordillera (22-24°S, NW Argentina), Tectonics, 28, TC4006, doi:10.1029/2008TC002402. JOURNAL IMPACT FACTOR: 3.147 PhD Thesis of M. Maffione (2006-2009, INGV)

2- BENDING OF THE PATAGONIAN OROCLINES AND OPENING OF THE DRAKE GATEWAY PUBLISHED ARTICLE: Maffione, M., F. Speranza, C. Faccenna, and E. Rossello (2010), Paleomagnetic evidence for a pre-early Eocene (~50 Ma) bending of the Patagonian orocline (Tierra del Fuego, Argentina): Paleogeographic and tectonic implications, Earth and Planet. Sci. Lett., 289, 273-286. JOURNAL IMPACT FACTOR: 4.279 PhD Thesis of M. Maffione (2006-2009, INGV)

3- PALEOMAGNETISM OF THE EASTERN CORDILLERA OF COLOMBIA: CONSTRAINTS ON GENESIS AND EVOLUTION SUBMITTED ARTICLE: Jimenez Diaz, J., Speranza F., Faccenna C., Bayona G, and Mora A. (2012), Paleomagnetism and magnetic fabric of the Eastern Cordillera of Colombia: Evidence for oblique convergence and non-rotational reactivation of a Mesozoic intra-continental rift, Tectonics, submitted. JOURNAL IMPACT FACTOR: 3.147 PhD Thesis of J. Jimenez Diaz (2010-2013, Univ. Roma Tre)

4- SEISMOLOGY AND DEEP STRUCTURE OF COLOMBIA Article in preparation; collaboration with G. Prieto, Universidad de los Andes, Bogota PhD Thesis of D. Seccia (2009-2012, INGV)

5- CONSTRAINING VOLCANIC HAZARD AT NEVADO DEL RUIZ VOLCANO (COLOMBIA) Lahar flow at Nevado del Ruiz, 13-11-1985, more than 23,000 people killed 5- CONSTRAINING VOLCANIC HAZARD AT NEVADO DEL RUIZ VOLCANO (COLOMBIA) Collaboration with Universidad EAFIT, Medellin PhD Thesis to be activated Use of paleomagnetism to provide age of emplacement for undated eruptions, thus constrain volcanic history

6- UNDERSTANDING STRAIN PARTITIONING AND CRUST RHEOLOGY AT THE LIQUINE-OFQUI FAULT (CHILE) PhD Thesis of Catalina Hernandez Moreno (2012-2015, INGV) -38 -48