Abstract
Understanding earthquakes using the geological record: an introduction
Highlights
Cite this article: Copley A, Weller O, Cawood P, Warren C. 2021 Understanding earthquakes using the geological record: an introduction
The effect of the lithosphere thickness on the temperature structure is insufficient on its own to explain the depth of the earthquakes, and implies that the continental lower crust in these regions is anhydrous [9]. This inference is consistent with observations from the geological record, where evidence of earthquake slip in the mid to lower crust recorded by the presence of pseudotachylytes is commonly associated with anhydrous metamorphic rocks [8,10], which have had melt extracted from them
As discussed above and elsewhere in this volume, whether a fault breaks in earthquakes or aseismically creeps can depend upon small-scale characteristics of the geology, royalsocietypublishing.org/journal/rsta Phil
Summary
Cite this article: Copley A, Weller O, Cawood P, Warren C. 2021 Understanding earthquakes using the geological record: an introduction. The recognition of transient and mostly aseismic slip in some parts of subduction zones being coupled to field-based analysis of mixed-lithology fault zones has resulted in a new understanding of the mechanisms for generating transient fault slip at velocities intermediate between earthquakes and plate motions [1,2,3,4,5].
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