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Nature 462, 42-43 (5 November 2009) | doi:10.1038/462042a; Published online 4 November 2009
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Earth science: Lasting earthquake legacy
Tom Parsons1
Abstract
Earthquakes occur within continental tectonic plates as well as at plate boundaries. Do clusters of such mid-plate events constitute zones of continuing hazard, or are they aftershocks of long-past earthquakes?
Early on the morning of 16 December 1811, an earthquake of about magnitude 7 shook the centre of the United States around a small town on the Mississippi called New Madrid. By 7 February 1812, it had triggered three more shocks of similar magnitude1.
- Tom Parsons is at the US Geological Survey, 345 Middlefield Road, Menlo Park, California 94025, USA.
Email: tparsons@usgs.gov
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RESEARCH
Analysing the 1811?1812 New Madrid earthquakes with recent instrumentally recorded aftershocksNature Letters to Editor (20 May 2004)
