By Kier Edison Belleza
The Philippine Institute of Volcanology and Seismology (Phivolcs) has raised the alert status of Mt. Kanlaon to Level 2 after the volcano in Negros Island showed a “moderate level of unrest.”
For the past 24 hours, a total of 279 deep volcanic earthquakes have been recorded, the seismic monitoring network of Phivolcs revealed.
This handout photo taken on June 18, 2016 and released by Philippines Institute of Volcanology and Seismology (PHIVOLCS) shows Kanlaon volcano as it spewed ash into the air as seen from the observation post of the PHIVOLCS in La Carlota town, Negros Occidental
(PHILIPPINES INSTITUTE OF VOLCANO / AFP / MANILA BULLETIN)
A Phivolcs bulletin posted Wednesday morning showed that the number of volcanic earthquakes detected per day has continued to increase since August 18.
State volcanologists warned that although there has been no visible degassing or steaming from the active vent this year, there is a possibility that the increased unrest could develop into steam-driven or phreatic — meaning caused by steam derived from groundwater — eruptions at the summit.
Local government units in the area were advised that entry into the 4-km radius Permanent Danger Zone is still strictly prohibited due to the possibility of sudden and hazardous eruptions.
Phivolcs also recommended that civil aviation authorities advise pilots to avoid flying close to the volcano’s summit as matter thrown out by the volcano from any sudden phreatic eruption can be hazardous to aircraft.”
The service institute of the Department of Science and Technology is closely monitoring the volcano’s activity.
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