Kanlaon volcano (Philippines) - Smithsonian / USGS Weekly Volcanic Activity Report for 11 March-17 March 2020 (New Activity / Unrest)

PHIVOLCS reported that ground-deformation data at Kanlaon indicated long-term slow inflation of the volcano since 2017, slow inflation of the lower flanks since May 2019, and notable inflation of the upper flanks beginning near the end of January 2020. The seismic network recorded a total of 80 volcanic earthquakes since 9 March; 77 of them were low-frequency events associated with magmatic fluids. The deformation and seismic data both indicated unrest; PHIVOLCS raised the Alert Level to 1 (on a scale of 0-5) on 11 March and reminded the public to remain outside of the 4-km-radius Permanent Danger Zone.
During 12-17 March there were between two and eight volcanic earthquakes recorded daily.

Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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From: Global Volcanism Program, 2020. Report on Kanlaon. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 11 March-17 March 2020. Smithsonian Institution and US Geological Survey.