Tornillo seismic events at Galeras volcano, Colombia: a summary and new information from broadband three-component measurements

Long-duration events have been recorded at several active, andesitic volcanoes. Their main characteristics are a single, sharp frequency peak, and an exceptionally long coda. Because their seismograms resemble a screw, these signals are called "tornillos" in Colombia. These events have bee...

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Bibliographic Details
Main Authors: M. Hellweg, D. Seidl, R. A. Torres C., D. M. Gómez M., H. Rademacher
Format: Article
Language:English
Published: Istituto Nazionale di Geofisica e Vulcanologia (INGV) 1999-06-01
Series:Annals of Geophysics
Subjects:
Online Access:http://www.annalsofgeophysics.eu/index.php/annals/article/view/3726