An Earthquake Damaged A Pyramid In Mexico And Exposed An Aztec Temple Hidden Below

An Earthquake Damaged A Pyramid In Mexico And Exposed An Aztec Temple Hidden Below

On 19 September 2017, a magnitude 7.1 earthquake struck central Mexico, killing nearly 370 people. But something good has come from this tragic event: The quake damaged an ancient pyramid, revealing a previously unknown Aztec temple underneath.

While checking for structural damage inflicted by the 2017 earthquake, archaeologists with Mexico’s National Institute of Anthropology and History (INAH) made a remarkable discovery: A temple located about 2m below the top of the Teopanzolco pyramid, a structure the Aztecs dedicated to Tláloc, the Aztec rain god.

It was not uncommon for ancient cultures to build upon older structures, but in this case, the archaeologists had no idea a temple was located within.

While performing their survey, the INAH archaeologists noticed that some stones on the top of the pyramid were loose. The hidden temple revealed itself as the scientists were searching for firmer terrain.

The newly-discovered temple measures about 6m x 4m, and it dates back to the Middle Postclassic period, sometime between 1150 to 1200 AD. The temple was built by the Tlahuica culture, one of several Aztec peoples living in central Mexico shortly before and during the time of the Spanish conquest, which started in 1521.

The temple and the Teopanzolco pyramid built upon it, which dates back to about 1300 AD, are located in Morelos state, about 70km south of Mexico City. The newly-discovered temple is quite possibly the oldest evidence of human occupation at the Morelos site — an important finding that represents a very early stage of the Aztec period.

“Despite what the earthquake meant, we have to be grateful that this natural phenomenon revealed this important structure, which changes the dating of this archaeological site,” said Isabel Campos Goenaga, director of the INAH Morelos Center, at a press conference held earlier this week.

The walls of the temple were found next to the remains of a stuccoed column that once supported a roof. Intense humidity has obliterated most of the stucco walls, but the archaeologists managed to salvage some fragments for study.

The INAH archaeologists say it likely represents the first constructive phase of the Teopanzolco pyramid, predating the famous Templo Mayor, which dates back to the Late Postclassic period (1200 to 1521 AD).

“The internal temple that we found in that sense is the oldest at the pyramid of Teopanzolco,” explained INAH archaeologist Barbara Koniecza. “We have already detected two construction stages, and where we stand is considered to be built in the oldest phase before the second phase of the Templo Mayor.”

Sadly, the 7.1 magnitude quake damaged the Teopanzolco pyramid, along with two temples. The floor of both shrines have sunk, and are now deformed, making the structures potentially unstable. More work is needed to assess the damage and to devise potential restoration strategies. Until then, the site, which has been closed to the public since last September, will remain off limits to tourists.

[National Institute of Anthropology and History, BBC, ABC]


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