Natural Hazards

, Volume 4, Issue 1, pp 23–44

Reappraisal of great historical earthquakes in the northern Chile and southern Peru seismic gaps

  • Diana Comte
  • Mario Pardo
Article

Abstract

A critical reappraisal of great historical interplate earthquakes in the occidental margin of South America, including southern Peru and northern Chile, is carried out.

A spacetime distribution of the earthquakes associated to the seismotectonics regions defined by the rupture zones of the greatest events (1868, Mw = 8.8 and 1877, Mw = 8.8) is obtained. Both regions are seismic gaps that are in the maturity state of their respective earthquake cycles. The region associated to the 1868 earthquake presents a notable seismic quiescence in the present century.

Key words

Northern Chile and Southern Peru seismic gaps historical seismicity rupture length estimated magnitudes 

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Copyright information

© Kluwer Academic Publishers 1991

Authors and Affiliations

  • Diana Comte
    • 1
  • Mario Pardo
    • 1
  1. 1.Departamento de Geologia y Geofisica, Division de Geofisica, Facultad de Ciencias Fisicas y MathematicasUniversidad de ChileSantiagoChile

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