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Pseudotachylytes from Corsica: fossil earthquakes from a subduction complex

Summary: Pseudotachylytes from Corsica: fossil earthquakes from a
subduction complex
Ha°kon Austrheim and Torgeir B. Andersen
Department of Geosciences ­ PGP, University of Oslo, PO Box 1047 Blindern, 0316 Oslo, Norway
Tectonic processes along convergent
plate margins, particularly in sub-
duction zones, generate most of the
global energy radiated by earth-
quakes. Although the mechanism
behind interplate earthquakes is gen-
erally related to stick-slip during
underthrusting on shallowly dipping
fault planes, there are a number of
phenomena regarding intra- and
interplate earthquakes that await
explanation. A major unresolved
question concerns the interaction of
earthquakes with fluids and meta-
morphic processes (Hacker et al.,


Source: Andersen, Torgeir Bjørge - Centre for Physics of Geological Processes & Department of Geosciences, Universitetet i Oslo


Collections: Geosciences