It was spewing ash and lava up to 1,000m (3,300ft) into the air. Since February 6th, 2015, the volcano showed some increased activity again triggering yellow alarms. Villarrica is one of the most active volcanos of Chile. Its last full eruption dates back from December 29 1971.
The area around the volcano has been evacuated, 3,385 people have been evicted. The mayor of the nearby town of Pucon said residents had left "calmly".
The Villarrica volcano is 2,860m (9,380 ft) high with a prominence of 1,575 m (5,167 ft) and has a lava lake in its crater.
It is a popular destination for hikers. Hundreds climb the peak each summer to peer inside the crater.
Check the video that has been made of the nightly eruption:
