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Advances in Geosciences An open-access journal for refereed proceedings and special publications

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Adv. Geosci., 14, 21-24, 2008
© Author(s) 2008. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
02 Jan 2008
Geomagnetic anomalies observed at volcano Popocatepetl, Mexico
A. Kotsarenko1, V. Grimalsky2, R. Pérez Enríquez1, V. Yutsis3, S. Koshevaya2, J. A. López Cruz-Abeyro1, C. Valdez-Gonzalez4, and R. A. Villegas Cerón3 1Centro de Geociencias en Juriquilla, UNAM, Apdo Postal 1-742, Centro Queretaro, Querétaro, C.P. 76001, Mexico
2UAEM, Cuernavaca, Morelos, Mexico
3UANL, Facultad de Ciencias de la Tierra, , Linares, Nuevo León, Mexico
4Instituto de Geofisica, UNAM, Mexico D.F., Mexico
Abstract. Results of the ULF geomagnetic monitoring of the volcano Popocatepetl (Mexico) and their analysis are summarized and presented for the period 2003–2006. Our analysis reveals some anomalies which are considered to be of local volcanic origin: the EM background in the vicinity of the volcano was found to be significantly noisier than at other reference stations; sporadic strong noise-like geomagnetic activity was observed in the H-component; some geomagnetic pulsations were observed only at the Tlamacas station (located at 4 km near the volcano). The results are discussed in terms of a physical mechanism involving the presence of a second magmatic chamber within the volcano and, finally, further perspective directions to study volcanic geodynamical processes besides the traditional ones are given.

Citation: Kotsarenko, A., Grimalsky, V., Pérez Enríquez, R., Yutsis, V., Koshevaya, S., López Cruz-Abeyro, J. A., Valdez-Gonzalez, C., and Villegas Cerón, R. A.: Geomagnetic anomalies observed at volcano Popocatepetl, Mexico, Adv. Geosci., 14, 21-24,, 2008.