Seismically active intraplate continental settings are characterized by relatively low strain rates, but they nonetheless display evidence of active faulting and seismicity. Examples of these tectonic environments include seismically active areas of northern Eurasia, central India, Australia, and the U.S. mid-continent (e.g., Sykes 1978; Johnston 1996). They are characterized by low heat flow (e.g., Kusznir and Park 1984), relatively thick lithosphere, and presumably low strain rates (∼10–10–10–12 yr–1) (Gordon 1998). Yet in only a handful of these environments have geodetic measurements been used to provide constraints...

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