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1974 Lima earthquake

1974 Lima earthquake
House damage in Lima
1974 Lima earthquake is located in Peru
1974 Lima earthquake
UTC time1974-10-03 14:21:31
ISC event736021
USGS-ANSSComCat
Local dateOctober 3, 1974 (1974-10-03)
Local time09:21:31
MagnitudeMw 8.1 [1]
Depth36 km (22 mi) [1]
Epicenter12°15′S 77°31′W / 12.25°S 77.52°W / -12.25; -77.52 [1]
Areas affectedPeru
Max. intensityMMI IX (Violent)
Casualties78 killed, 2,400 injured

The 1974 Lima earthquake occurred on October 3 at 14:21 UTC (09:21 local time). It was located at about 80 kilometres (50 mi) southwest of Lima, Peru.[2] The magnitude of the earthquake was put at 8.1 Mw, or Ms 7.8. The earthquake caused 78 deaths and left 2,400 injured.[2][3][4]

Background

The intensity around Lima was generally about MM V to VII, but the maximum reached IX.[2] Two buildings of reinforced concrete collapsed in La Molina, where the intensity was MM VIII to IX.[5] A four-story reinforced concrete building in Callao collapsed.[2]

The largest aftershock occurred on November 9, 1974, at 12:59 UTC (07:59 local time) with a magnitude of Mw  7.1, or Ms  7.1.[1][4] The November 9 aftershock was located at about 25 km south of the main shock.[4]

See also

References

  1. ^ a b c d 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. 683. ISBN 978-0124406520.
  2. ^ a b c d "Peru: 1974 October 03 14:21:29 UTC: Magnitude 8.1". Historic Earthquakes. USGS.
  3. ^ "Instituto Nacional de Defensa Civil - INDECI". Instituto Nacional de Defensa Civil. Archived from the original on December 14, 2017.
  4. ^ a b c Langer, C. J.; Spence, William (June 1, 1995). "The 1974 Peru earthquake series". Bulletin of the Seismological Society of America. 85 (3): 665–687.
  5. ^ Morales-Soto, Nelson; Zavala, Carlos (April 2008). "Terremotos en el litoral central del Perú: ¿podría ser Lima el escenario de un futuro desastre?" [Earthquakes in the central coast of Peru: could it be Lima the scene of a future disaster?]. Revista Peruana de Medicina Experimental y Salud Publica (in Spanish). 25 (2): 217–224.


This information is adapted from Wikipedia which is publicly available.
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