Ongoing paleomagnetic and Ongoing paleomagnetic and seismological investigations in South seismological investigations in South

American Andes 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)

Collaboration with Universidad EAFIT, Medellin

PhD Thesis to be activated

Lahar flow at Nevado del Ruiz, 13-11-1985, more than 23,000 people killed

Use of paleomagnetism to provide age of emplacement for undated eruptions, thus constrain volcanic history

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6- UNDERSTANDING STRAIN PARTITIONING AND CRUST RHEOLOGY AT THE LIQUINE-OFQUI FAULT (CHILE)

PhD Thesis of Catalina Hernandez Moreno (2012-2015, INGV)