Geometry of the Benioff zone in the Tehuantepec area in Southern México | Geofisica Internacional

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Published: Oct 1, 1982

DOI: https://doi.org/10.22201/igeof.00167169p.1982.21.4.870

Keywords:

Geometry Seismicity Benioff Zone El Chichón Volcano Tehuantepec

J. Havskov

Universidad Nacional Autonoma de Mexico, Instituto de Ingeniería, Mexico City, Mexico

S. K. Singh

Universidad Nacional Autonoma de Mexico, Instituto de Geofisica, Mexico City, Mexico ; Instituto de Ingeniería, UNAM, México

https://orcid.org/0000-0002-0219-9813

D. Novelo

Universidad Nacional Autonoma de Mexico, Instituto de Ingeniería, Mexico City, Mexico

Abstract

Using data from a local seismic network operating in Chiapas, Southern Mexico, in 1979 plus two permanent stations VHO and COM, the geometry of the Benioff zone below 60 km depth was accurately mapped in the Tehuantepec area. The hypocenters were found to be confined within a slab of thickness 45 km, dip 45º and strike N 450ºE. The only active volcano in the area, The Chichón, is situated about 225 km above the center of the Benioff zone.

How to Cite

Havskov, J., Singh, S. K., & Novelo, D. (1982). Geometry of the Benioff zone in the Tehuantepec area in Southern México. Geofisica Internacional, 21(4), 325–330. https://doi.org/10.22201/igeof.00167169p.1982.21.4.870

Issue

Vol. 21 No. 4 (1982): October 1, 1982

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Article

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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