Net Late Holocene Emergence Despite Earthquake-Induced Submergence, South-Central Chile

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by Brian F. Atwater, Univ of Washington, Seattle, United States,

Document Type: Proceeding Paper

Part of: Coastal Sediments:

Abstract: Intertidal deposits show net late Holocene emergence along the Pacific coast near Maullin and Carelmapu, Chile (latitude 41.6°-41.7°S). The maximum amount of net emergence is about 1 m in the past 1500 years and 2 1/2 m in the past 4000 years. Emergence has prevailed despite sudden submergence that has changed marshes into tideflats, most recently during a magnitude-9.5 earthquake in AD 1960.

Subject Headings: Earthquakes | Submerging | Developing countries | Oceanography | Geology | Littoral zones | Chile | South America

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