A shallow earthquake was reported by Philippine Institute of Volcanology and Seismology (PHIVOLCS) in Cauyan town, Negros Occidental, 2 minutes before 8AM today, February 15.
PHIVOLCS said the tremor was recorded at 1.9 magnitude at a shallow depth of 35km below the surface.
Meanwhile, PHIVOLCS also reported at 8AM today that it has monitored a total of 26 volcanic earthquakes during the 24-hour observation period of Kanlaon volcano.
These parameters may indicate hydrothermal, tectonic, or deep-seated magmatic processes occurring deep beneath the edifice, the advisory said.
It also noted moderate emission of white steam-laden plumes that rose 500 meters before drifting southwest and northwest. The sulfur dioxide (SO2) emission was measured at an average of 1130 tonnes/day on 13 February 2021.
PHIVOLCS would like to remind the public that Kanlaon Volcano is at Alert Level 1, which means that it is at an abnormal condition and has entered a period of unrest. The local government units and the public are strongly reminded that entry into the 4-kilometer radius Permanent Danger Zone (PDZ) must be strictly prohibited due to the further possibilities of sudden and hazardous steam-driven or phreatic eruptions.