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1928 Talca earthquake

1928 Talca earthquake
1928 Talca earthquake is located in South America
Valparaíso
Valparaíso
Concepción
Concepción
1928 Talca earthquake
1928 Talca earthquake is located in Chile
Valparaíso
Valparaíso
Concepción
Concepción
1928 Talca earthquake
UTC time1928-12-01 04:06:17
ISC event908986
USGS-ANSSComCat
Local date1 December 1928 (1928-12-01)[1]
Local time00:06
Duration1 minute 45 seconds[2]
Magnitude7.6 Mw,[3] 8.3 MS,[1] 7.9 ML[4]
Depth20 km (centroid)[5]
Epicenter35°00′S 72°00′W / 35.000°S 72.000°W / -35.000; -72.000[1][4]
Areas affectedChile, Curepto
Max. intensityMMI IX (Violent)[2]
Aftershocks7.0 Mw (USGS)  1928-12-02
Casualties279 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.

See also

References

  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 "Historic World Earthquakes". United States Geological Survey. 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. hdl:10533/173171. ISSN 0031-9201.
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