Contrasts Between Short- and Long-Term Records of Seismicity in the Rio Grande Rift – Important Implications for Seismic Hazard Assessments in Areas of Slow Extension | Resolution Copper Project and Land Exchange Environmental Impact Statement

Resolution Copper Project and Land Exchange Environmental Impact Statement

Contrasts Between Short- and Long-Term Records of Seismicity in the Rio Grande Rift – Important Implications for Seismic Hazard Assessments in Areas of Slow Extension

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Date Published:

1998

Authors:

Michael N. Machette

The Rio Grande rift has a relatively short and unimpressive record of historical seismicity. However there is abundance evidence of prehistoric (Quaternary) surface faulting associated with large (M>6) earthquakes. This paradox between historical and prehistoric seismicity (paleoseismicity) has important implications for seismic-hazards analyses based primarily on modern seismicity.

Cited In:

GPO

Appendix I

Machette, M.N., 1998, Contrasts between short- and long-term records of seismicity in the Rio Grande rift – Important implications for seismic hazard assessments in areas of slow extension, in W.R. Lund (ed.), Western States Seismic Policy Council Proceedings Volume, Basin and Range Province Seismic Hazards Summit, Utah Geological Survey Miscellaneous Publication 98-2, p. 84-95.

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Contrasts Between Short- and Long-Term Records of Seismicity in the Rio Grande Rift – Important Implications for Seismic Hazard Assessments in Areas of Slow Extension

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