The anatomy of a tornillo: puzzles from three-component measurements at Galeras volcano (Colombia)
Many of the recent ash eruptions of Galeras volcano (Colombia) have been preceded by tornillos. These unusual seismic events of unknown origin have screw-like profiles on seismograms and can last up to several minutes. In March, 1996, a broadband, three-component seismometer station was installed 1....
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
1999-06-01
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Series: | Annals of Geophysics |
Subjects: | |
Online Access: | http://www.annalsofgeophysics.eu/index.php/annals/article/view/3724 |