Mario Ruiz

at Erebus volcano, Antarctica, Dec. 2002

Mario Ruiz Romero

Graduate student

Department of Geological Sciences

University of North Carolina at Chapel Hill

Email: mruiz at email.unc.edu

Phone: (919) 843 5472

Address: Geological Sciences CB # 3315

Mitchell Hall

Chapel Hill, NC, 27599

NEW: Tungurahua paper (Bull. Volcanol.)

Updated: 09/12/06

FIRST, MY FAMILY (my wife Zammy, my children Mario (1,2,3) and Carlitos (1,2,3)

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Education

Escuela Politecnica Nacional: Geothecnical Engineer 1992

JICA – Kyoto University: Training Course in Volcanology 1992

New Mexico Tech: Master in Science 2004

Experience

Instituto Geofisico – Escuela Politecnica Nacional 1987-present

(LeTemps du Monde report)

Assistant Profesor Escuela Politecnica Nacional: 1995-present

Research

Seismic activity of Guagua Pichincha volcano: 1988-2001

Seismic activity of Tungurahua volcano: 1993-2005

First study of seismo-acoustic signal at Sangay: 1998

Tremor activity at Erebus volcano, Antarctica: 2001-2003

Seismic Hazard Evaluation in Ecuador

THESIS DIRECTED:

Actividad Pre-Eruptiva del Volcan Tungurahua, 2001. Indira Molina (Premio J. Garcia Sineriz, 2002)

Sismicidad del volcán Guagua Pichincha 1998-1999, 2000. Darwin Renato Villagómez Díaz, Escuela Politécnica Nacional.

Atenuación de Ondas Sísmicas en un Volcán Dacítico: El Guagua Pichincha (Ecuador), 2000. Alexánder García Aristizábal, Universidad de Caldas, Manizales

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THESIS

MASTER IN GEOPHISICS THESIS:

M.S. Thesis: Analysis of Tremor Activity at Mt. Erebus Volcano, Antarctica (pdf). New Mexico Tech, December 2003.

Bonilla L.F., Ruiz M.C., 1992, EVALUACION DEL PELIGRO SISMICO SISMICO EN EL ECUADOR, Tesis Previa para el título de Ingeniero Geotécnico. Escuela Politécnica Nacional. Quito-Ecuador.

SELECTED PUBLICATIONS

Source constraints of Tungurahua volcano explosion events. 2006. Ruiz M.C., Lees J.M., Johnson J.B., Bulletin of Volcanology, 68, 480-490, DOI 10.1007/s00445-005-0023-8 (pdf)

Varley N. R., Johnson J., Ruiz M., Reyes G., Martin K. 2006. Applying statistical analysis to understanding the dynamics of volcanic eruptions, In: Statistics in Volcanology, Ed. By H M Mader, S G Coles, C B Connor and L J Connor. IAVCEI Publications. ISBN 978-1-86239-208-3

Werner-Allen, G., Lorincz, K., Ruiz, M. C., Marcillo, O., Johnson, J. B., Lees, J.M., Welsh, M., 2006. Deploying a wireless sensor network on an active volcano. IEEE Internet Computing, Special Issue on Data Driven Applications in Sensor Networks. 10, v.2, 18-25

Johnson, J. B., M. C. Ruiz, J. M. Lees, P. Ramon, 2005. Poor scaling between elastic energy release and eruption intensity at Tungurahua Volcano, Ecuador. Geophysical Research Letters, 32, L15304

Aster, R., Bartel, B., Dunbar, N., Esser, R., Johns, B., Johnson, J., Karstens, R., Kurnik, C., Kyle, P., McGowan, M., McIntosh, W., McNamara, S., Meertens, C., Pauley, B., Richmond, M., Ruiz, M., 2004. Real-Time Data Received from Mount Erebus Volcano, Antarctica, (click here)

Aster, R. C., Mah, S., Kyle, P. R., McIntosh, W., Dunbar, N., Johnson, J., Ruiz, M., McNamara, S. 2003. Very long period oscillations of Mount Erebus. J. Geophys. Res. V. 108, No. B11.2522.

Johnson, J. B., Aster, R. C., Ruiz, M. C., Malone, S. D., McChesney, P. J., Lees, J. M., Kyle, P. R., 2003. Interpretation and utility of infrasonic records from erupting volcanoes. Journal of Volcanology and Geothermal Research, 121, v.1-2, 15-63

Legrand, D. , Calahorrano, A., Guillier, B., Rivera, L. , Ruiz, M., Villagomez, D., Yepes, H. 2002. Stress tensor analysis of the 1998-1999 tectonic swarm of northern Quito related to the volcanic swarm of Guagua Pichincha volcano, Ecuador. Tectonophysics. 344, v.1, 15-36

Ruiz M., Guillier B., Chatelain J.L., Yepes H., Hall M., and Ramon P., 1998. Possible Causes for the Seismic Activity Observed in Cotopaxi Volcano, Ecuador. GEOPHYSICAL RESEARCH LETTERS, 25, No. 13, 2305-2308

Seismic Hazard Evaluation in Ecuador

Northern flank of Cotopaxi Volcano and Debris flow deposits at Limpiopungo. Picture credit: Mario Ruiz

Yanasacha on Cotopaxi . Some climbers can be seen on your right side. Picture credit: Mario Ruiz

PUBLICATIONS (without peer’s revision)

Sudo, Y. ; Hashimoto, T. ; Ruiz Romero, M. ; Yepes, H. ; Villagomez, D. ; Viracucha, D., 2001. Precursors and seismic sequence of 1999 Guagua Pichincha Volcano, Ecuador Annual report FY 2000 of Institute for Geothermal Sciences, Kyoto University Annual Report - Institute for Geothermal Sciences, Graduate School of Science, Kyoto University 2000, Graduate School of Science, Institute for Geothermal Sciences, Japan, p.19-21 click here)

Bonilla F., Ruiz M., 1990. El Sismo del 10 de Agosto de 1990, Defensa Civil, Año 2, No.- 4, 5-6.

ABSTRACTS

Precursory Activity at Tungurahua Volcano, Molina I., Ruiz M., Garcia A., 2000 EGS Meeting (abstract)

Lees J. M., Ruiz M. 2006. Dynamics of Gas-Rock Interaction at Erupting Volcanoes. Fourth Conference on Cities on Volcanoes Abstract Volume, 65.

Ruiz M., Lees J., Johnson J., 2006. Tungurahua 2004: Results of a Seismo-Acoustic Deployment on an Andesitic Volcano. Fourth Conference on Cities on Volcanoes Abstracts, 110.

Johnson, J. B., Lees, J. M., Ruiz, M. C., Welsh, M., Werner-Allen, G., Kuntukova, Y., 2005. Eruptive Activity of Reventador Volcano, Ecuador, Recorded by a Seismic-Infransound Deployment. 2005 AGU Fall Meeting. V21C-0611

Johnson J.B., Varley N., Ruiz M., Lees J., Ramon P. 2006. Poor Scaling Between Elastic Energy Release and Eruption Intensity For Strombolian and Small Vulcanian Eruptions. Fourth Conference on Cities on Volcanoes Abstract Volume, 97.

Matt Welsh M., Geoff Werner-Allen G., Konrad Lorincz K., Omar Marcillo O., Ruiz M., Johnson J., Lees J., 2006. A Wireless Seismoacoustic Sensor Network for Monitoring Activity at Volcán Reventador. Fourth Conference on Cities on Volcanoes Abstract Volume, 116.

Ruiz, M. C., Lees, J. M., Johnson, J. B., 2005. Source Location of Explosive Activity of Tungurahua Volcano, Ecuador. 2005 AGU Fall Meeting. V21C-0613

Welsh, M., Werner-Allen, G., Lorincz, K., Marcillo, O., Ruiz, M. C., Johnson, J. B. Lees, J. M. 2005. A Wireless Seismoacoustic Sensor Network for Monitoring Activity at Volcano Reventador, Ecuador. 2005 AGU Fall Meeting. V21C-0612

Johnson, J. B., Aster, R. C., Ruiz, M., Sahagian, D., 2004. Fragmentation dynamics from an integrated seismo-acoustic approach. American Geophysical Union, Spring Meeting 2004, V53B-03

Ruiz M. C., Aster R. C., Kyle P. R., Wilson D. C., 2003. Description and Location of Tremor at Mt. Erebus Volcano, Antarctica. American Geophysical Union, Spring Meeting 2004, V52B-0430

Molina I., Ruiz M., Garcia A., 2000. Precursory Activity at Tungurahua Volcano, EGS Meeting (abstract)

Garcia et al., 2003. Seismic Unrest at Cotopaxi Volcano (Ecuador): An overview of the crescent activity

(abstract click here)

Johnson B. J., Ruiz M., McChesney P., 1999. Low-frequency Acoustic Monitoring and Wind Filtering at Guagua Pichincha Volcano, Ecuador. American Geophysical Union Fall Meeting (Abstract).

Villagómez D., Ruiz M., Yepes H., Hall M., Guillier B., Alvarado A., Segovia M., Calahorrano A., 1999. Seismic activity at Guagua Pichincha volcano, Ecuador, Troisieme symposium International sur la Geodinamique Andine (ISAG) Orstom/Geosciences Rennes. Gottingen, Germany, p. 793-796

Ruiz M., Hall M., Samaniego M., Ruiz A., Villagómez D., 1999. Seismic activity in Tungurahua Volcano: Correlation between tremor and precipitation rates. Troisieme symposium International sur la Geodinamique Andine (ISAG) Orstom/Geosciences Rennes. Gottingen, Germany, p. 636-639

Calahorrano A., Yepes H., Guillier B., Ruiz M., Segovia M., Villagómez D., Andrade D., 1999. Seismic Swarm in Quito (Ecuador). Tectonic or volcanic origin?. Troisieme symposium International sur la Geodinamique Andine (ISAG) Orstom/Geosciences Rennes. Gottingen, Germany, p.119-122

Metaxian et al., 1999. Geophysical Studies of Cotopaxi volcano, Ecuador: Seismicity, Structure and Ground Deformation. Abstract click here)

Ruiz M., Guillier B., Chatelain J.L. Hall M.L., 1998. Steady Activity of Long Period Seismic Events Observed in Cotopaxi Volcano, 1998. Ecuador. American Geophysical Union (abstract)

Ruiz M, Chatelain J.L., Guillier B., and Segovia M., 1996. Non-Clustered Activity of "Long Period" Events in Cotopaxi Volcano, Ecuador. Third International Symposium on Andean Geodynamics (ISAG) . ORSTOM Geosciences Rennes. Colloques et Seminaries. ORSTOM Edit. p. 231-234.

Alvarado A., Segovia M., Yepes H., Guillier B., Chatelain J.L., Egred J., Villagómez D., Ruiz M., Samaniego P., Santacruz R., 1996. The Mw 6.8 Macas earthquake, October 3, 1995, Symposium International sur la Geodinamique Andine (ISAG), Saint Malo, France, p. 129-132.

Ruiz M., Viracucha D., Yepes H., Aguilar J., Hall M., Mothes P., Chatelain J.L., 1994. Seismic Activity of Tungurahua Volcano: Analysis of a long sustained tremor. Regional South America Seismological Assembly Mem., Brasilia, 114.

Bonilla L.F., Pérez V.H., Sánchez A., Ruiz M., Yepes H., Chatelain J.L., 1992. Análisis preliminar de la microsismicidad de la zona de Quito – Ecuador, período: 1988-1992, Segundas Jornadas de Ciencias de la Tierra, EPN, Quito.

Bonilla F., Ruiz M., 1990. El Sismo del 10 de Agosto de 1990, Defensa Civil, Año 2, No.- 4, 5-6.

Ruiz M., Bonilla F.,1990. Estudio de los tremores producidos en el volcán Guagua Pichincha: abril-junio 1990, Primeras Jornadas de Ciencias de la Tierra, EPN, Quito, 12-14.