Kan­laon Vol­cano shows un­rest- Phivolcs

Sun Star Bacolod - - Front Page - BY TERESA D. ELLERA

THE Philip­pine In­sti­tute of Vol­canol­ogy and Seis­mol­ogy re­ported three vol­canic quakes yes­ter­day which shows ab­nor­mal­i­ties or un­rest of Kan­laon Vol­cano.

Based on the report fur­nished by Phivolcs to the Provin­cial Dis­as­ter Man­age­ment Pro­gram Divi­sion, Sul­fur diox­ide (SO2) emis­sion was mea­sured at an av­er­age of 79 tonnes/day on 15 June 2019.

Ground de­for­ma­tion data from lat­est con­tin­u­ous GPS mea­sure­ments in­di­cate slight de­fla­tion of the ed­i­fice.

Phivolcs de­clared Alert Level 1 (ab­nor­mal) sta­tus pre­vails over Kan­laon Vol­cano, which means that it is cur­rently in a state of un­rest prob­a­bly driven by hy­dro­ther­mal pro­cesses that could gen­er­ate steam driven or phreatic erup­tions.

Phivolcs there­fore re­minds the lo­cal govern­ment units and the pub­lic to avoid

en­try into the 4-kilo­me­ter ra­dius Per­ma­nent Danger Zone (PDZ) due to peren­nial haz­ards of rock­falls, avalanches, sud­den out­gassing and steam-driven or phreatic erup­tion at the sum­mit area.

The ad­vi­sory fur­ther states that Civil avi­a­tion author­i­ties must also ad­vise pi­lots to avoid fly­ing close to 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.*

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