Tungurahua volcano (Ecuador): intense strombolian activity
Fri, 4 Mar 2016, 11:4611:46 AM | BY: T
The volcano is in a phase of mild to moderate strombolian activity. Incandescent bombs are ejected to the upper slopes of the volcano, generating avalanches. Ash plumes rise up to a few km above the crater and drift mostly in westerly directions.
Strombolian eruption at Tungurahua on 2 March (photo: E. Gaunt - OVTIGEPN)
Apparently, the large vent-clearing explosion on 27 Feb has opened the conduit to allow a sustained slow rise of magma and more gradual release of gas pressure in small discrete explosions (= strombolian activity).
In its latest report, IGEPN published a series of remarkable photos taken during cloud-free periods at night.
Tue, 1 Mar 2016, 09:04
Ash emissions have continued after the powerful vent-clearing explosion on Sunday (27 Feb). During brief periods when cloud cover lifted, a steam-and ash column was seen rising 1,500 meters above the crater and heading west. Read all