Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Magmatic carbon dioxide (CO 2 ) degassing has been documented before the 31 March 2000 eruption of Usu volcano, Hokkaido, Japan. Six months before the eruption, an increase in CO 2 flux was detected on the summit caldera, from 120 (September 1998) to 340 metric tons per day (September 1999), followed by a sudden decrease to 39 metric tons per day in June 2000, 3 months after the eruption. The change in CO 2 flux and seismic observations suggests that before the eruption, advective processes controlled gas migration toward the surface. The decrease in flux after the eruption at the summit caldera could be due to a rapid release of CO 2 during the eruption from ascending dacitic dikes spreading away from the magma chamber beneath the caldera.

Bibliography

Hernández, P. A., Notsu, K., Salazar, J. M., Mori, T., Natale, G., Okada, H., Virgili, G., Shimoike, Y., Sato, M., & Pérez, N. M. (2001). Carbon Dioxide Degassing by Advective Flow from Usu Volcano, Japan. Science, 292(5514), 83–86.

Authors 10
  1. P. A. Hernández (first)
  2. K. Notsu (additional)
  3. J. M. Salazar (additional)
  4. T. Mori (additional)
  5. G. Natale (additional)
  6. H. Okada (additional)
  7. G. Virgili (additional)
  8. Y. Shimoike (additional)
  9. M. Sato (additional)
  10. N. M. Pérez (additional)
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  24. We are grateful to P. Quintero and A. Martinez for their help in the field and for their laboratory work and M. Sohirad for help with English. Helpful review of the manuscript was provided by K. Nagao and D. López. We are indebted to the staff of the Usu Volcano Observatory for their assistance during the surveys. This research was supported by grants from the Japan Society for the Promotion of Science Cabildo Insular de Tenerife (Canary Islands Spain) and the European Union.
Dates
Type When
Created 23 years, 1 month ago (July 27, 2002, 5:52 a.m.)
Deposited 1 year, 7 months ago (Jan. 9, 2024, 4:56 p.m.)
Indexed 2 weeks, 1 day ago (Aug. 21, 2025, 2:04 p.m.)
Issued 24 years, 5 months ago (April 6, 2001)
Published 24 years, 5 months ago (April 6, 2001)
Published Print 24 years, 5 months ago (April 6, 2001)
Funders 0

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@article{Herna_ndez_2001, title={Carbon Dioxide Degassing by Advective Flow from Usu Volcano, Japan}, volume={292}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1058450}, DOI={10.1126/science.1058450}, number={5514}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Hernández, P. A. and Notsu, K. and Salazar, J. M. and Mori, T. and Natale, G. and Okada, H. and Virgili, G. and Shimoike, Y. and Sato, M. and Pérez, N. M.}, year={2001}, month=apr, pages={83–86} }