1928 Chachapoyas earthquake

1928 Chachapoyas earthquake
Date May 14, 1928
Origin time 22:14 UTC [1]
Magnitude 7.2 Mw [2]
Depth 35 km (22 mi) [2]
Epicenter 5°16′S 78°34′W / 5.26°S 78.56°W / -5.26; -78.56 [2]
Areas affected Peru
Max. intensity X (Extreme) [2]
Aftershocks 6.9 Ms July 18 at 19:05 UTC [1]
Casualties 25

The 1928 Chachapoyas earthquake occurred on May 14 at 17:14 local time.[3] It had a magnitude of Mw 7.2,[2] Ms 7.3,[4] or ML 7.3. Chachapoyas, Peru was almost completely destroyed. A landslide in Pinpincos caused the death of 25 people.[5][6] Many houses were damaged in Machala, Ecuador.[7] The maximum intensity was X (Extreme) on the Mercalli intensity scale.[8] The earthquake could be felt in Lima. It could also be felt in Ecuador, Brazil, and Colombia.

Aftershock

A strong aftershock occurred on July 18, 1928 at 14:05 local time (19:05 UTC).[9] Some houses which had already been damaged in the main shock collapsed.[3]

See also

References

  1. 1 2 USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
  2. 1 2 3 4 5 Engdahl, E. R.; Vallaseñor, A. (2002). "Global seismicity: 1900-1999". International Handbook of Earthquake & Engineering Seismology (PDF). Part A, Volume 81A (First ed.). Academic Press. p. 675. ISBN 978-0124406520.
  3. 1 2 "Historia de los Sismos mas Notables Occurridos en El Peru (1513 - 1974)" (PDF). p. 51. (Spanish)
  4. ↑ Hurtado, Jorge; Chang, Luis (2005). “Vulnerabilidad Sismica Estructural Y Efectos de Sitio" (PDF). XVII Simposio. CISMID. (Spanish)
  5. ↑ Hurtado, Jorge; Change, Luis (2005). "Mapa de Areas de Deslizamientos por Sismos en El Peru" (PDF). Universidad Nacional de Ingeniería, Lima – Perú. (Spanish)
  6. ↑ "II. Estudio de Caso de los Desastres del Alto Mayo, Peru, de 1990 y 1991" (PDF). p. 7–19. (Spanish)
  7. ↑ "Línea de Tiempo". Igepn.edu.ec. Retrieved 2012-08-17.
  8. ↑ "Banco de Datos de Mapas de Isosistas en El Peru" (PDF). FIC-University National de Ingenieria. (Spanish)
  9. ↑ "Historia de los Sismos mas Notables Occurridos en El Peru (1513 - 1974)" (PDF). (Spanish)
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