期刊
ANNUAL REVIEW OF MARINE SCIENCE, VOL 3
卷 3, 期 -, 页码 35-66出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-marine-120709-142852
关键词
subduction zones; litho-stratigraphic correlation; earthquake recurrence history; turbidites; earthquakes
资金
- Directorate For Geosciences [1030381] Funding Source: National Science Foundation
Many of the largest earthquakes are generated at subduction zones or other plate boundary fault systems near enough to the coast that marine environments may record evidence of them. During and shortly after large earthquakes in the coastal and marine environments, a spectrum of evidence may be left behind, mirroring onshore paleoseismic evidence. Shaking or displacement of the seafloor can trigger processes such as turbidity currents, submarine landslides, tsunami (which may be recorded both onshore and offshore), and soft-sediment deformation. Marine sites may also share evidence of fault scarps, colluvial wedges, offset features, and liquefaction or fluid expulsion with their onshore counterparts. This article reviews the use of submarine turbidite deposits for paleoseismology, focuses on the dating and correlation techniques used to establish stratigraphic continuity of marine deposits, and outlines criteria for distinguishing earthquake deposits and the strategies used to acquire suitable samples and data for marine paleoseismology.
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