Alert Level 1 was raised by the Philippine Institute of Volcanology and Seismology (PHIVOLCS), after Kanlaon Volcano spewed ash as high as 1.5 kilometers. According to PHIVOLCS, Kanlaon Volcano erupted at 6:20 p.m., Tuesday, March, 29, 2016. The eruption lasted for 12 minutes and produced an ash column 1.5 kilometers high. In an advisory released 7:00 p.m., March 29, 2016, PHIVOLCS said ashfall were reported in Sitio Guintubdan, Barangay Ara-al, La Carlota City, Negros Occidental. PHIVOLCS raised Alert Level 1 over Kanlaon Volcano, which means it is in abnormal condition and is in a period of current unrest. The agency likewise reminded local government units and the public that entry to the 4-kilometer radius Permanent Danger Zone (PDZ) is strictly prohibited, and pilots should avoid flying near the volcano's summit, as ash from sudden eruptions can be hazardous. PHIVOLCS assured that they are closely monitoring the volcano's activity and new developments on the situation will be relayed immediately. Mt. Kanlaon, part of the Cuernos de Negros range, straddles the province of Negros Oriental and parts of Negros Occidental in Central/Western Visayas. It is one of the most active volcanoes in the Philippines.