
PHIVOLCS: Increased seismic activity at Kanlaon Volcano
Kanlaon Volcano as seen from La Castellana in Negros Occidental.*Ronnie Baldonado photo The Philippine Institute of Volcanology and Seismology (PHIVOLCS) issued a notice at 5:15 p.m. Sunday, May 26, of increased seismic activity at Kanlaon Volcano on Negros Island. A total of 24 volcano-tectonic or VT earthquakes had been recorded by the Kanlaon Volcano Network between 1:35 p.m. and 4:30 p.m. on Sunday, PHIVOLCS said. These earthquakes ranged in energy from ML 0.8 to ML 2.3 and occurred at depths of 0 to 6 kilometers beneath the western flank of the Kanlaon volcanic edifice. Volcanic sulfur dioxide (SOz) gas emission from the summit crater has been elevated since January 1, averaging 1,291 ton a day, with the latest SOz measurement on Sunday averaging ...









