PHIVOLCS raises alert level for Mount Kanlaon due to volcanic earthquakes

Philippine Institute of Volcanology and Seismology (PHIVOLCS) has raised the alert level for the Kanlaon Volcano due to recorded volcanic earthquakes for the past 24 hours.

Below is the bulletin released by PHIVOLCS on November 15, 2017 at 9:45 a.m.

KANLAON VOLCANO BULLETIN
15 November 2017
9:45 A.M.

This serves as a notice for the raising of the alert status of Kanlaon from Alert Level 1 (Low Level of Unrest) to Alert Level 2 (Moderate Level of Unrest).

Kanlaon Volcano's seismic monitoring network recorded a total of two hundred seventy nine deep (279) volcanic earthquakes for the past 24 hours. Since 18 August 2017, the number of volcanic earthquakes detected per day has continued to increase. There has been no visible degassing or steaming from the active vent this year, although increased unrest could possibly develop into steam-driven or phreatic eruptions at the summit.

Alert Level 2 status now currently prevails over Kanlaon Volcano, which means that the volcano is undergoing a moderate level of unrest. There is probable intrusion of magma at depth which may or may not lead to a magmatic eruption. The local government units and the public are strictly reminded that entry into the 4-kilometer radius Permanent Danger Zone (PDZ) is strictly prohibited due to the further possibilities of sudden and hazardous steam-driven or phreatic eruptions. Civil aviation authorities must also advise pilots to avoid flying close the the volcano's summit as ejecta from any sudden phreatic eruption can be hazardous to aircraft. DOST-PHIVOLCS is closely monitoring Kanlaon Volcano's activity and any new development will be relayed to all concerned.

DOST-PHIVOLCS





SOURCE: [PHIVOLCS-DOST]

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