地质学
全新世
俯冲
下沉
潮间带
海洋学
构造学
地震学
航程(航空)
古生物学
材料科学
构造盆地
复合材料
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:1987-05-22
卷期号:236 (4804): 942-944
被引量:480
标识
DOI:10.1126/science.236.4804.942
摘要
Intertidal mud has buried extensive, well-vegetated lowlands in westernmost Washington at least six times in the past 7000 years. Each burial was probably occasioned by rapid tectonic subsidence in the range of 0.5 to 2.0 meters. Anomalous sheets of sand atop at least three of the buried lowlands suggest that tsunamis resulted from the same events that caused the subsidence. These events may have been great earthquakes from the subduction zone between the Juan de Fuca and North America plates.
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