At 2200 last night a new vent, Teneguia Four, was opened in the N-S fissure located in the place where the fumaroles were stronger.
Gas and ash emissions periodically impacted island residents.
The lapilli and scoria from the vents have changed to a more vitreous black and vesiculated-type which floats on the sea; there are some fragments of white pumice, perhaps formed by fussion of phonolitic rock of the substrata.
Fuster-Casas, Instituto Lucas Mallada, Madrid, Spain; Palisades Hydrophone Station, La Palma Island, Canary Islands, Spain; Kevin Laudadio, Palisades Geophysical Institute Sofar Station, Bermuda.
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Involcan continues to monitor gas emissions A stay-at-home order was lifted for residents of Los Llanos de Aridane, El Paso and Tazacorte on Monday as air quality improved following the emission of gases from Cumbre Vieja over the weekend, but the Canary Islands Volcanology Institute is continuing to monitor the situation on the mountain.
Fuster-Casas, Instituto Lucas Mallada, Madrid, Spain; Palisades Hydrophone Station, La Palma Island, Canary Islands, Spain; Carl Hartdegen, Palisades Geophysical Institute Sofar Station, Bermuda.
Late on 30 September 2021 two new vents emerged about 600 m NW of the base of the main cone.
Description: Ash-and-gas plumes visible during 1-3 and 6-7 December rose as high as 3.