1928 Talca earthquake

The 1928 Earthquake of Talca
Date 1 December 1928[1]
Origin time 00:06 UTC-4
Duration 105 seconds[2]
Magnitude 7.6[3]Mw, 8.3 [1]MS, 7.9[4] ML
Depth 20 km (centroid)[5]
Epicenter 35°00′S 72°00′W / 35.000°S 72.000°WCoordinates: 35°00′S 72°00′W / 35.000°S 72.000°W[1][4]
Areas affected Chile, Curepto
Max. intensity IX[2] Mercalli
Casualties 279 dead[2]

The 1928 Talca earthquake was on 1 December at 00:06 local time (04:06 UTC). Its epicenter was 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] There was 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, in Constitución, 67, and in the surrounding villages, 50.[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.

Damage at 1928 Talca earthquake

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 NGDC, NOAA. "Significant Earthquake Search - sorted by Date". Retrieved 2011-06-13.
  3. ↑ 3.0 3.1 U.S. Geological Survey. "Historic World Earthquakes". Retrieved 2011-02-13.
  4. ↑ 4.0 4.1 4.2 4.3 4.4 SHOA. "TSUNAMIS REGISTRADOS EN LA COSTA DE CHILE" (PDF). Retrieved 2011-02-13.
  5. ↑ 5.0 5.1 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.