Etna volcano webcams and live data:
Complex stratovolcano Currently about 3329 m (changing due to eruptive activity and collapse of its crater rims)Sicily, Italy, 37.75°N / 14.99°E
Available webcams:

INGV webcam (Montagnola) (source)

INGV webcam (Montagnola thermal image) (source)

INGV webcam (Emoh) (source)

INGV webcam (Nicolosi) (source)

INGV webcam (Bronte thermal - west side) (source)

INGV webcam (Monte Cagliato thermal) (source)

LAVE Etna Webcam (Schiena dell'Asino) (source)

Etna Trekking webcam 2 (Linguaglossa) (source)

Etna Tech webcam 1 (view to Etna from Catania) (source)

Radio Touring webcam (from Paterno, SW side) (source)
Etna webcam from Bronte (W side, by Nicola Zappala) (source)

Giarre meteosystem webcam (East) (source)
Tremor signal of Etna (INGV Catania)Seismic signal ESPC (INGV) (Belvedere station, destroyed 28 Mar 2013)Seismic signal ESVO (INGV)

See also: Sentinel hub | Landsat 8