1928 Talca earthquake

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1928 Talca earthquake
306-NT-933-G-5.jpg
1928 Talca earthquake is located in South America
Valparaíso
Valparaíso
Concepción
Concepción
1928 Talca earthquake
UTC time 1928-12-01 04:06:17
ISC event 908986
USGS-ANSS ComCat
Local date 1 December 1928 (1928-12-01)[1]
Local time 00:06
Duration 105 seconds[2]
Magnitude 7.6 Mw,[3] 8.3 MS,[1] 7.9 ML[4]
Depth 20 km (centroid)[5]
Epicenter 35°00′S 72°00′W / 35.000°S 72.000°W / -35.000; -72.000Coordinates: 35°00′S 72°00′W / 35.000°S 72.000°W / -35.000; -72.000[1][4]
Areas affected Chile, Curepto
Max. intensity IX (Violent)[2]
Aftershocks 7.0 Mw  (USGS) 1928-12-02
Casualties 279 dead[2]

The 1928 Talca earthquake occurred on 1 December at 00:06 local time near Curepto, Maule Region, Chile,[1][4] with an estimated magnitude of 7.6 MW,[3] 8.3 MS[1] and 7.9 ML.[4] In Talca, it lasted 1 minute 45 seconds.[2]

There was damage between Valparaíso and Concepción,[2] and severe damage on the coast from Cauquenes to Pichilemu, and in the following cities in the Chilean Central Valley: Talca, Curicó and San Fernando.[5]

In Talca there were 108 dead, 67 in Constitución, and 50 in the surrounding villages.[4] Soon after the earthquake, the Barahona dam, in the valley of Cachapoal River, that contained copper tailings, collapsed, killing 54 miners.[2]

In total, there were 279 dead,[2] 1,083 wounded and 127,043 homeless.

Church damage

See also[edit]

References[edit]

  1. ^ a b c d e Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570
  2. ^ a b c d e f g NGDC, NOAA. "Significant Earthquake". Retrieved 2011-06-13. 
  3. ^ a b U.S. Geological Survey. "Historic World Earthquakes". Archived from the original on 2010-07-28. Retrieved 2011-02-13. 
  4. ^ a b c d e SHOA. "TSUNAMIS REGISTRADOS EN LA COSTA DE CHILE" (PDF). Archived from the original (PDF) on 2016-02-22. Retrieved 2011-02-13. 
  5. ^ a b Campos, J.; Hatzfeld, D.; Madariaga, R.; Lopez, G.; Kausel, E. (2002). "A seismological study of the 1835 seismic gap in south-central Chile". Physics of the Earth and Planetary Interiors. 132 (1-3): 177–195. Bibcode:2002PEPI..132..177C. doi:10.1016/S0031-9201(02)00051-1. ISSN 0031-9201. 

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