Preliminary Results from a Field Experiment on Volcanic Events at Kilauea Using an Array of Digital Seismographs

  • Paolo Gasparini
  • Roberto Scarpa
  • Keiiti Aki
Part of the IAVCEI Proceedings in Volcanology book series (VOLCANOLOGY, volume 3)


We carried out a field experiment at Kilauea Volcano for two months in 1988, during which the volcano was active and generated gas-piston events, long-period events and tremors. Six three-component digital instruments recorded 200 h of useful signal and 12 GEOS 6-channel recorders collected more than 200 events with a total amount of information of about 10 gigabits. Preliminary analyses of the data revealed that seismic spectra of all these volcanic events show many narrow spectral peaks, and we were able to establish that these peaks are not due to propagation path or recording site effect but due to source effect. We also found that, the movement of gas bubbles plays an important role in the excitation of gas-piston events, and possibly also long-period events because of the similarity in spectral feature between them. We propose preliminary source models for gas-piston events, long-period events and volcanic tremor based on fluid-gas filled crack models, and discuss outstanding problems with these models.


Lava Lake Volcanic Event Volcanic Tremor Crater Floor Volcanic Earthquake 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • Paolo Gasparini
    • 1
  • Roberto Scarpa
    • 2
  • Keiiti Aki
    • 3
  1. 1.Dipartimento di Geofisica e VulcanologiaUniversità di Napoli Federico IINapoliItaly
  2. 2.Dipartimento di FisicaUniversità Degli Studi dell’AquilaCoppito (L’Aquila)Italy
  3. 3.Department of Geological SciencesUniversity of Southern CaliforniaLos AngelesUSA

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