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

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

Document Type: Proceeding Paper

Part of: Coastal Sediments


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 | Developing countries | Submerging | Oceanography | Ocean engineering | Littoral zones | Land subsidence | Chile | South America

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