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CERRO NEGRO 2005

Description

Fragmento de volcán en erupción

Dynamics CO2 diffuse emissions in the volcano of Cerro Negro, Nicaragua, América Central.

Financed by

Instituto Nicaragüense de Estudios Territoriales (INETER) - ITER

Coordinated by

Participants

INETER, ITER

Abstract

Cerro Negro is the most active volcano of the western hemisphere and its eruptive cycle is less than 10 years. The researches about diffuse degasification process of carbone dioxide in Cerro Negro volcano are very significant to evaluate and support the works on gases diffuse emission as a very useful geochemical tool for the volcanic surveillance.

The first study of diffuse emission of carbone dioxide was carried out by a team of INETER-ITER on december 1999, 3 months after the last eruption of Cerro Negro. This study reflected that diffuse emission of carbone dioxide reached 2.800 tones daily. Later stuides have reflected a decrease of the rate of emission that seems to be related to the eruptive cycle of Cerro Negro.