Letter | Published:

Emission of Volcanic Gases

Nature volume 114, page 50 (12 July 1924) | Download Citation

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Abstract

I HAVE seen repeatedly during the last thirty-eight years the evocation of gas at Solfatara, described by Prof. Conway in NATURE of June 21, p. 891. The phenomenon is certainly not subjective, neither is it trickery. I venture to offer the hypothesis that, under the floor of the crater, deep caverns are filled with volcanic gases, the equilibrium of which is un stable to a small change in atmospheric pressure, such a change being effected when the air above a group of crevices is heated by the torch. The crevices must be connected with the deep reservoir by passages, and the gas must be generated into the reservoir at a pressure exceeding atmospheric pressure by the pressure due to the vertical column of heavy gas in the passages, added to the pressure necessary to produce the flow of the gas through their length.

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  1. Cambridge, June 22.

    • GEO. P. BIDDER

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DOI

https://doi.org/10.1038/114050c0

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