Background :
The caldera was formed during an eruptive period with six major explosive eruptions producing at least 280 cu km of ejecta between about 560,000 and 350,000 years ago.
Subsequent eruptions occurred from a new 5-km-wide central cone and from many phreatomagmatic craters and cones within the Artemisio-Tuscolana caldera and on its outer flanks.
www.volcanodiscovery.comBeschreibung :
Die Caldera entstand in einer eruptive Phase mit sechs Haupteruptionen mindestens 280 km cu Auswurfmaterial zwischen etwa 560.000 und 350.000 Jahren produziert.
Spätere Eruptionen aufgetreten ist, eine neue zentrale 5 km Breite-Kegel und viele Phreatomagmatic Krater und Zapfen in der Caldera Artemisio-Tuscolana und auf seine äußeren Flanken.
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