Abstract
SUBMARINE landslides move large amounts of sediment and are often hazardous to offshore installations. Marine surveying techniques effectively define landslide locations and geometries (for example, refs 1-4) in various underwater geological settings, including deltas, fjords and earthquake-prone areas1–5. Movement rates and mechanics are generally inferred from indirect evidence, such as cable breaks and damage to sea-floor structures (for example, refs 6-8) but actual measurements of landslide behaviour are sparse. Using bottom-deployed pressure sensors, tiltmeters and accelerometers, we have collected data on sea-floor landslide reactivation involving sediment collapse and remoulding on the submarine slopes of the Huanghe delta, China. The sensors were emplaced into sea-floor clayey silts on 4 October 1987 and recovered on 16 October after the passage of three severe storms.
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Prior, D., Suhayda, J., Lu, NZ. et al. Storm wave reactivation of a submarine landslide. Nature 341, 47–50 (1989). https://doi.org/10.1038/341047a0
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DOI: https://doi.org/10.1038/341047a0
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