What is it about?

Teotihuacan is one of the greatest pre-Hispanic cities of the Classic period in Central Mexico. In Teotihuacan, caves and tunnels had been found under two of the three most important pre-Hispanic edifices, the Sun and Quetzalcoatl. The main objective was to characterize the subsoil under the Moon Pyramid, the second largest structure in the site. Through a non-conventional ERT and ANT geophysical surveys, the existence of a natural cave beneath the pyramid was revealed.

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Why is it important?

The impact of this discovery opens the discussion about the original planning of Teotihuacan’s urban design.


This is the first time that a seismic noise survey is performed to characterize an archaeological pyramid.

Dr denisse lorenia argote-espino
Instituto nacional de antropologia

Read the Original

This page is a summary of: Designing the underworld in Teotihuacan: Cave detection beneath the moon pyramid by ERT and ANT surveys, Journal of Archaeological Science, June 2020, Elsevier,
DOI: 10.1016/j.jas.2020.105141.
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