Global Information1928 Talca earthquake information
 | |
  Valparaíso Concepción   Valparaíso Concepción | |
| UTC time | 1928-12-01 04:06:17 |
|---|---|
| ISC event | 908986 |
| USGS-ANSS | ComCat |
| Local date | 1 December 1928[1] |
| Local time | 00:06 |
| Duration | 1 minute 45 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[1][4] |
| Areas affected | Chile, Curepto |
| Max. intensity | MMI 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.
- ^ a b c d e Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570
- ^ a b c d e f g NGDC, NOAA. "Significant Earthquake". Retrieved 2011-06-13.
- ^ a b U.S. Geological Survey. "Historic World Earthquakes". Archived from the original on 2010-07-28. Retrieved 2011-02-13.
- ^ 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.
- ^ 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.