Canlaon volcano, Central Philippines, Philippines: news & activity updates

PHIVOLCS issued a special notice for Kanlaon on 9 February, noting localized earthquake activity on the lower NW flank. There were 11 very shallow earthquakes, with local magnitudes of M 0.9-2.1, recorded by the seismic network between 2012 on 8 February and 0900 on 9 February. Ground deformation data from continuous GPS and tilt measurements indicated slight inflation of the middle and upper flanks of the volcano since mid-October 2021; EDM and electronic tilt data reflected short-term deflation on the SE flank since December 2021 and January 2022, respectively. Read allPHIVOLCS issued a special notice for Kanlaon on 21 January, noting that a total of 18 volcanic earthquakes were recorded in the past day. Four of those events were classified as shallow “tornillo” signals indicating gas movement along shallow fractures in the upper part of the volcano. Ground deformation data from continuous GPS and tilt measurements indicated slight inflation of the volcano since mid-October 2021. Read all