Heaton, Thomas H. (1990) The calm before the quake? Nature, 343 (6258). pp. 511-512. ISSN 0028-0836. doi:10.1038/343511a0. https://resolver.caltech.edu/CaltechAUTHORS:20130418-104533548
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Abstract
With the exception of Alaska, the Cascadia subduction zone, extending 1,200 Km from northern California to Vancouver Island, is the largest tectonically active fault system in North America. Although is widely accepted that the North American continental plate is converging at a rate of 2.5-4.5cm yr^(-1), modern seismic activity has been minimal along the Cascadia Subduction zone. Are the Pacific oceanic plates sliding effortlessly below the continental margin? Or are the plates welded together, gradually accumulating elastic strain, to be released in another cataclysmic earthquake sometime in the coming centuries? There is geological evidence, much debated at a recent meeting, that there have been six massive earthquakes (energy magnitude M_w = 8.5-9.5: see box overleaf) in this region in the past 3,600 years, most recently sometime in 1680-90.
Item Type: | Article | ||||||
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Additional Information: | © 1990 Nature Publishing Group. | ||||||
Issue or Number: | 6258 | ||||||
DOI: | 10.1038/343511a0 | ||||||
Record Number: | CaltechAUTHORS:20130418-104533548 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130418-104533548 | ||||||
Official Citation: | The calm before the quake? 511 Thomas H. Heaton doi:10.1038/343511a0 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 38019 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Ruth Sustaita | ||||||
Deposited On: | 23 Apr 2013 22:04 | ||||||
Last Modified: | 09 Nov 2021 23:33 |
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