The 1928 Chachapoyas earthquake occurred on May 14 at 17:14 local time.[3] It had a magnitude of Mw 7.2,[1] 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.
  | |
| UTC time | 1928-05-14 22:15:04 |
|---|---|
| ISC event | 908668 |
| USGS-ANSS | ComCat |
| Local date | May 14, 1928 |
| Local time | 17:14 |
| Magnitude | 7.2 Mw[1] |
| Depth | 35 km (22 mi)[1] |
| Epicenter | 5°16′S 78°34′W / 5.26°S 78.56°W[1] |
| Areas affected | Peru |
| Max. intensity | MMI X (Extreme)[1] |
| Aftershocks | 6.9 Ms July 18 at 19:05 UTC[2] |
| Casualties | 25 dead |
Aftershock
editA 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
editReferences
edit- ^ a b c d e Engdahl, E. R.; Vallaseñor, A. (2002). "Global seismicity: 1900–1999" (PDF). International Handbook of Earthquake & Engineering Seismology. Part A, Volume 81A (First ed.). Academic Press. p. 675. ISBN 978-0124406520.
- ^ PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey, September 4, 2009, archived from the original on 2020-03-13
- ^ a b "Historia de los Sismos mas Notables Occurridos en El Peru (1513–1974)" (PDF). p. 51. (in Spanish)
- ^ Hurtado, Jorge; Chang, Luis (2005). “Vulnerabilidad Sismica Estructural Y Efectos de Sitio" Archived 2012-03-28 at the Wayback Machine (PDF). XVII Simposio. CISMID. (in Spanish)
- ^ Hurtado, Jorge; Change, Luis (2005). "Mapa de Areas de Deslizamientos por Sismos en El Peru" Archived 2012-02-27 at the Wayback Machine (PDF). Universidad Nacional de Ingeniería, Lima – Perú. (in Spanish)
- ^ "II. Estudio de Caso de los Desastres del Alto Mayo, Peru, de 1990 y 1991" (PDF). p. 7–19. (in Spanish)
- ^ "Línea de Tiempo". Igepn.edu.ec. Archived from the original on 2012-06-20. Retrieved 2012-08-17.
- ^ "Banco de Datos de Mapas de Isosistas en El Peru" Archived 2011-10-08 at the Wayback Machine (PDF). FIC-University National de Ingenieria. (in Spanish)
- ^ "Historia de los Sismos mas Notables Occurridos en El Peru (1513–1974)" (PDF). (in Spanish)
External links
edit- The International Seismological Centre has a bibliography and/or authoritative data for this event.