Éruption volcanique

Uncertain eruption of Itasy Volcanic Field

8301 av. J.-C. · 19.03° S, 46.64° E

The Itasy volcanic field is a monogenetic volcanic field west of Lake Itasy in the Itasy Region of central Madagascar. It consists of a north–south trending group of lava domes, scoria cones and maars, as well as lava flows with varying compositions.

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Quand
8301 av. J.-C.
Type
Éruption volcanique
Coordonnées
19.03° S, 46.64° E
Uncertain
oui
Date uncertainty
± 139 years
Dated by
Isotopic: 14C (calibrated)
Volcano number
233014
Eruption number
14172

Itasy volcanic field

Volcanic field in Madagascar

The Itasy volcanic field is a monogenetic volcanic field west of Lake Itasy in the Itasy Region of central Madagascar. It consists of a north–south trending group of lava domes, scoria cones and maars, as well as lava flows with varying compositions. Volcanism in the Itasy field began during the Pliocene with the eruption of trachytic lava domes and basanitic lava flows.

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