Modern Vertical Deformation above the Sumatran Subduction Zone : Paleogeodetic Insights from Coral Microatolls


Coral microatolls from the coast and outer-arc islands of Western Sumatra retain a stratigraphic and morphologic record of relative sea-level change, which is due in large part to vertical tectonic deformation above the Sumatran subduction zone. Low water levels, whose fluctuations produce measurable changes in coral morphology, limit the upward growth of… (More)

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