ingv:https://data.ingv.it/metadata/iso19115/1201.xml Column heIght during Etna expLosive eruptiOn (CIELO) 2026-04-21 EU open data Local Etna Column height estimation Visible calibrated camera 2015-01-02 2021-09-21 otherRestrictions Istituto Nazionale di Geofisica e Vulcanologia - INGV The Column heIght Estimation by visibLe calibrated camera during eruptiOns at Etna (CIELO) dataset provides time series of volcanic column height measurements at the South East Crater (SEC) of Etna, derived from visible calibrated webcam images. The dataset covers 42 ash emission episodes spanning from 2015 to 2021. This document describes the structure and usage of the SQLite database (CIELO.db) distributed alongside the dataset. None https://oedatarep.ct.ingv.it/records/6frd3-c8h97 None CEOS IDN DIF 9.7