The activity of the volcano continued to increase into its 4th paroxysm (called “eruption” by local press) of 2016. Lava effusion rate increased gradually and continued to feed the lava flow on the eastern side into the Las Lajas ravine, where it reached approx 600 m length yesterday and started to produce small pyroclastic flows (by collapse of parts of the flow on the steep slope). 
 
Pulsating lava fountains at the summit vents generated an steam and ash plume that rose 2-3 km above the volcano, reaching altitudes of 17-20,000 ft(5.2 – 6 km). The plume drifted southwest for up to 20 km before dissipating. 
 
Constant moderate to strong rumblings can be heard and felt in nearby areas.
Courtesy of volcanodiscovery.com

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