Geological risk affecting the village of Tapacocha (Recuay, Ancash)

Authors

  • E. Manrique Faculty of Geological, Mining and Metallurgical Engineering, National University of Engineering. Lima Peru. http://orcid.org/0000-0003-4931-0846
  • G Gonzáles Faculty of Geological, Mining and Metallurgical Engineering, National University of Engineering. Lima Peru.
  • S Manrique Faculty of Geological, Mining and Metallurgical Engineering, National University of Engineering. Lima Peru.
  • F Bravo Faculty of Geological, Mining and Metallurgical Engineering, National University of Engineering. Lima Peru.

DOI:

https://doi.org/10.21754/tecnia.v27i2.178

Keywords:

village of tapacocha, external geodynamics, mudslides

Abstract

Buildings standing on unstable soils are vulnerable to natural processes such as internal and external geodynamics and climate change. The village of Tapacocha, which is settled on slid floor, would be sensitive to those natural processes. The May 1970 earthquake caused ground fracture and building destruction; heavy rains in 1942 and 1997 caused mudslides that destroyed buildings and agriculture land. The internal geodynamics gave its shape to the base rocks through intense folding and fracturing of the sedimentary rocks; the external geodynamics created shapes through rotational movements, landslides and differential erosion. Presently, climate change is causing unusual torrential rains that periodically erode and threaten buildings and agriculture. The goal of this study is to advise the authorities and the population on ways to prevent and mitigate the destructive effects of these natural events.

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References

[1] Cruden, D.M., Varnes D. J. (1996). "Landslide Types and Processes". Landslides: Investigation and Mitigation. Special Report 247, National Academy Press, Washington D. C., pp 36- 75.

[2] Manrique, E. (2010). Geología estructural del neógeno en la cordillera negra, implicancias en el origen y estabilidad de taludes del yacimiento aurifero epitermal de alta sulfuración: pierina. Tesis de Maestría, Universidad Nacional de Ingeniería; Facultad de Ingeniería Geológica, Minera y Metalúrgica, Lima. 100 p

[3] Varnes D.J. (1958). "Landslides types and processes". Special report 29: Landslides and engineering practice (E.B. Eckel, ed.) HRB, National Research Council, Washington, D.C., pp. 20-47

[4] Zavala C. Bilberto, Valderrama M. Patricio, Pari P. Walter, Luque P. Griselda, Barrantes H. Roxana (2009). Riesgos Geológicos en la Región Ancash. Boletín N°38, Serie C; Geodinámica e Ingeniería Geológica. Instituto Geológico, Minero, Mertalúrgico (INGEMMET). Dirección de Geología Ambiental y Riesgo Geológico, Lima - Perú. 289 p.

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Published

2017-12-01

How to Cite

[1]
E. Manrique, G. Gonzáles, S. Manrique, and F. Bravo, “Geological risk affecting the village of Tapacocha (Recuay, Ancash)”, TEC, vol. 27, no. 2, pp. 87–92, Dec. 2017.

Issue

Vol. 27 No. 2 (2017)

Section

Articles

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