A plume of smoke and steam 1.2 miles (2 km) rose into the sky at 9:04 this morning.
It was the fourth eruption and the 88th low-intensity exhalation at Popocatepetl Volcano in 24 hours, according to the National Disaster Prevention Centre of Mexico.
The series of explosions and minor eruptions that took place this week have put citizens of the neighboring city of Puebla on alert as ash rained down on the city.
Also, according to rt.com, the seismic activity caused river waters to rise for a period.
After a powerful earthquake struck central Mexico about three weeks ago (September 19), the volcano, located about 43 miles (70 km) southeast of Mexico City, registered two eruptions of steam and gas in the next four days.
Thanks to Ryan and Stephen Bird for these links