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AGU: Geophysical Research Letters

 

Index Terms

  • Exploration Geophysics: Radioactivity methods
  • Atmospheric Composition and Structure: Volcanic effects
  • Oceanography: Biological and Chemical: Aerosols
  • Volcanology: Eruption monitoring

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 29, 1070, 4 PP., 2002
doi:10.1029/2001GL013856

Atmospheric 210Po anomaly as a precursor of volcano eruptions

Chih-Chieh Su

Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan, R.O.C.

Chih-An Huh

Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan, R.O.C.

Due to its high volatility, 210Po can be effectively released from active volcanoes prior to their explosions. A continuous record of the fallout rate of 210Po versus that of 210Pb in northern Taiwan reveals that most of the 210Po was derived from pre-eruption gas emission of Philippines'Mayon volcano in the past two years. From this observation we suggest that, if a global network can be properly designed, it may be possible to employ 210Po anomaly as a precursor of volcano eruptions worldwide.

Published 13 March 2002.

Citation: Su, C.-C., and C.-A. Huh (2002), Atmospheric 210Po anomaly as a precursor of volcano eruptions, Geophys. Res. Lett., 29(5), 1070, doi:10.1029/2001GL013856.

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