Global Volcanism Program | Image GVP-07747

$This September 1993 photo shows the morphology of the crater of Cerro Negro volcano after the 1992 eruption. Fumaroles observed during several visits by scientists to Cerro Negro on September 2-5 were issuing from circumferential fractures along the N rim of the crater and from what were interpreted as feeder dikes in the base of the crater. Fumaroles along the crater rim exhibited weak and variable degassing, with temperatures ranging from 79 to 90°C. Stronger fumaroles were confined to the feeder dikes within the crater. Photo by Andrew MacFarlane, 1993 (Florida International University).$

This September 1993 photo shows the morphology of the crater of Cerro Negro volcano after the 1992 eruption. Fumaroles observed during several visits by scientists to Cerro Negro on September 2-5 were issuing from circumferential fractures along the N rim of the crater and from what were interpreted as feeder dikes in the base of the crater. Fumaroles along the crater rim exhibited weak and variable degassing, with temperatures ranging from 79 to 90°C. Stronger fumaroles were confined to the feeder dikes within the crater.

Photo by Andrew MacFarlane, 1993 (Florida International University).

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Cerro Negro