Unusual seismic signals associated with the activity at Galeras volcano, Colombia, from July 1992 to September 1994
After the emplacement of a lava dome at Galeras volcano in 1991, seven eruptions occurred from July 16, 1992, to September 23, 1994, six of which were preceded by quasi-monochromatic, long-duration seismic events with slowly decaying coda named «tornillos» (screws). The dominant frequencies of these...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
1996-06-01
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Series: | Annals of Geophysics |
Subjects: | |
Online Access: | http://www.annalsofgeophysics.eu/index.php/annals/article/view/3975 |