Summary: Bull Volcanol (2005) 67:281­291
DOI 10.1007/s00445-004-0352-z
R E S E A R C H A R T I C L E
T. R. Walter · V. R. Troll · B. Cailleau · A. Belousov ·
H.-U. Schmincke · F. Amelung · P. v.d. Bogaard
Rift zone reorganization through flank instability in ocean island
volcanoes: an example from Tenerife, Canary Islands
Received: 20 July 2003 / Accepted: 27 March 2004 / Published online: 28 May 2004
Springer-Verlag 2004
Abstract The relationship between rift zones and flank
instability in ocean island volcanoes is often inferred but
rarely documented. Our field data, aerial image analysis,
and 40
Ar/39
Ar chronology from Anaga basaltic shield
volcano on Tenerife, Canary Islands, support a rift zone--
flank instability relationship. A single rift zone dominated
the early stage of the Anaga edifice (~6­4.5 Ma).
Destabilization of the northern sector led to partial sea-
ward collapse at about ~4.5 Ma, resulting in a giant

Source: Amelung, Falk - Rosenstiel School of Marine and Atmospheric Sciences, University of Miami
Belousov, Alexander - Institute of Volcanology and Seismology, Petropavlovsk-Kamchatsky, Russia
Miami, University of - Geodesy Laboratory

Collections: Geosciences