Long-baseline fluid tiltmeter for seismotectonic studies of Mexican subduction zone

Vladimir Kostoglodov, Roger Bilham, José A. Santiago, Vlad Manea, Marina Manea, Vicente R. Hernández

11-25

Preliminary palaeomagnetic stratigraphy of the Tertiary Yemen Volcanics

J. M. Abou-Deeb, D. H. Tarling, A. L. Abdeldayem

37-47

Variations of total electron content during a magnetic storm

B. F. de Haro Barbás, V. H. Ríos, A. Pérez Gómez, M. Santillán

49-55

Sunspot motion in a recurrent region as a sub-photospheric circulation tracer

Ramón E. Rodríguez Taboada, Jorge Pérez Doval, Giselle Gil Moreno

57-61

Lake Chapala and the Cienega aquifer: Chemical evidence of hydraulic communication

J. T. Silva García, R. Rodríguez Castillo, S. Ochoa Estrada, S. López Díaz

63-74