The Mesoamerican Preclassic period began in about 2500 B. C. It dates from the probable date of the first Mesoamerican ceramics and lasted until around 200 A. D, the date of the fall of Cuicuilco, located south of Mexico City, where the circular pyramid built by this culture remains. Attributing its disappearance to the eruption of the volcano Xitle, located a few kilometers south of the pyramid. The eruption covered a radius of approximately 20 kilometers, in some cases up to 30 meters thick.
It indicates the moment in which the Maya civilization found their own distinctive culture which differentiated them from other Mesoamerican groups. These societies were sedentary agricultural villages, in which ceramics first occurred. On the Pacific coast, this period started around the year 1800 B. C., but in the rest of the Maya area it started between 1000 and 1200 B. C.
