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Ankaratra Field volcano

Cinder cones 2644 m / 8,674 ft
Madagascar, -19.4°S / 47.2°E
Current status: normal or dormant (1 out of 5) | Reports
Ankaratra Field volcano books
Typical eruption style: unspecified
Ankaratra Field volcano eruptions: unknown, no recent eruptions No recent earthquakes
TimeMag. / DepthDistanceLocation

Background:

The Ankaratra volcanic field is the most prominent and volcanologically diverse on Madagascar. It covers a 100-km-long area in central Madagascar between Avivonimamo and Antsirabe. Activity at the Ankaratra volcanic massif took place from the Miocene until the very recent Quaternary (Besairie, 1973). Trachytic lava domes were erupted during the initial stage and massive fissure eruptions created a series of tectonic lakes. The latest activity occurred in the southern part of the massif and produced well-preserved strombolian basanitic cinder cones. Vulcanian eruptions formed several lake-filled craters. Hot springs occur at Ranomafana.
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Smithsonian / GVP volcano information


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