1960 Concepción earthquake

The 1960 Earthquake of Concepción
Date 21 May 1960 06:02 UTC-4 (1960-05-21)[1]
Magnitude 7.9 [2] 8,3[3]Mw 7,3 [1] 7,5[4]MS
Depth 33 km [5]
Epicenter Curanilahue
Countries or regions Provinces of Concepción, Arauco y Ñuble in Chile
Max. intensity X[6] Mercalli
Casualties 125 dead

The 1960 Concepción earthquake was actually a succession of three destructive earthquakes that happened between 21 and 22 May 1960.

The first was on May 21 at 06:02 UTC-4. Its epicenter was west of Curanilahue, Biobío Region, Chile, and its magnitude was 7,9 [2] or 8,3[3]MW and 7,3[1] or 7,5[4]MS. In this earthquake, which lasted 35 seconds, was destroyed one third of the buildings in the city of Concepción.[7]

First earthquake intensity in some cities[6]
21 May at 6:02 UTC earthquake
City Mercalli intensity scale Damage
Concepción IX 125 dead. One third of the buildings was destroyed.[7]
Talcahuano IX 65% of buildings were destroyed.
Coronel IX
Lota IX
Lebu X
The 1960 Earthquake of Concepción
Date 22 May 1960 06:32 UTC-4 (1960-05-22)[1]
Magnitude 7,3 [1] MS
Epicenter Curanilahue
Countries or regions Provinces of Concepción, Arauco y Ñuble in Chile

The second happened on May 22 at 06:32 UTC-4. Its epicenter was east of Curanilahue, Biobío Region, Chile, and its magnitude was 7,3 MS.[1]

The 1960 Earthquake of Concepción
Date 22 May 1960 14:55 UTC-4 (1960-05-22)[4]
Magnitude 7,8[4] MS
Countries or regions Provinces of Concepción, Arauco y Ñuble in Chile

The third happened the same day at 14:55 UTC-4. Its magnitude was 7,8 MS. This earthquake happened 15 minutes before the 1960 Valdivia earthquake.[4]

See also

References

  1. ^ a b c d e f Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570
  2. ^ a b U.S. Geological Survey. "Historic World Earthquakes" (in inglés). http://earthquake.usgs.gov/earthquakes/world/historical_country.php#chile. Retrieved 2011-02-13. 
  3. ^ a b Vigny, C. and Socquet, A. and Peyrat, S. and Ruegg, J.C. and Métois, M. and Madariaga, R. and Morvan, S. and Lancieri, M. and Lacassin, R. and Campos, J. and others (2011). "The 2010 Mw 8.8 Maule Megathrust Earthquake of Central Chile, Monitored by GPS". Science 332 (6036): 1417. doi:10.1126/science.1204132. 
  4. ^ a b c d e SHOA. "GENERALIDADES" (in Spanish). http://www.shoa.cl/servicios/tsunami/generalidades.htm. Retrieved 10 de junio. 
  5. ^ NGDC, NOAA. "Significant Earthquake Search - sorted by Date" (in inglés). http://www.ngdc.noaa.gov/nndc/struts/results?bt_0=&st_0=&type_17=EXACT&query_17=None+Selected&op_12=eq&v_12=CHILE&type_12=Or&query_14=None+Selected&type_3=Like&query_3=&st_1=&bt_2=&st_2=&bt_1=&bt_4=6.0&st_4=9.9&bt_5=&st_5=&bt_6=&st_6=&bt_7=&st_7=&bt_8=&st_8=&bt_9=&st_9=&bt_10=&st_10=&type_11=Exact&query_11=&type_16=Exact&query_16=&display_look=1&t=101650&s=1&submit_all=Search+Database. Retrieved 2011-06-13. 
  6. ^ a b Jean Pierre Rothe: The seismicity of the earth, 1953–1965. UNESCO, Paris 1969. (Abstract in the United States Geological Survey web site)
  7. ^ a b Rudolph, William E. (1960). "Catastrophe in Chile". Geographical Review 50 (4): 578–581. JSTOR 212311.