1928 Talca earthquake
Encyclopedia
The 1928 Talca earthquake was the 1 December 1928 at 00:06 local time (04:06 UTC). Its epicenter
was near Curepto
, Maule Region
, Chile
, and their magnitudes were 7,6 MW
, 8,3 MS
and 7,9 ML
. In Talca, it lasted 1 minute 45 seconds.
There was damage between Valparaíso
and Concepción. 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
.
In Talca, there were 108 dead, in Constitución, 67, and in the surrounding villages, 50. Soon after the earthquake, the Barahona dam, in the valley of Cachapoal River
, that contained copper tailings, collapsed, killing 54 miners.
In total, there were 279 dead, 1.083 wounded and 127.043 homeless.
Epicenter
The epicenter or epicentre is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates...
was near Curepto
Curepto
Curepto is a town and commune in the Chilean Province of Talca, located in the VII Maule Region. The commune spans an area of .-Culture:The town has many examples of Chilean rural colonial architecture. Its parish church is a quintessential example of a traditional religious building in the...
, Maule Region
Maule Region
The VII Maule Region is one of Chile's 15 first order administrative divisions. Its capital is Talca. The region takes its name from the Maule River which, running westward from the Andes, bisects the region and spans a basin of about 20,600 km2...
, Chile
Chile
Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...
, and their magnitudes were 7,6 MW
Moment magnitude scale
The moment magnitude scale is used by seismologists to measure the size of earthquakes in terms of the energy released. The magnitude is based on the seismic moment of the earthquake, which is equal to the rigidity of the Earth multiplied by the average amount of slip on the fault and the size of...
, 8,3 MS
Surface wave magnitude
The surface wave magnitude scale is one of the magnitude scales used in seismology to describe the size of an earthquake. It is based on measurements in Rayleigh surface waves that travel primarily along the uppermost layers of the earth...
and 7,9 ML
Richter magnitude scale
The expression Richter magnitude scale refers to a number of ways to assign a single number to quantify the energy contained in an earthquake....
. In Talca, it lasted 1 minute 45 seconds.
There was damage between Valparaíso
Valparaíso
Valparaíso is a city and commune of Chile, center of its third largest conurbation and one of the country's most important seaports and an increasing cultural center in the Southwest Pacific hemisphere. The city is the capital of the Valparaíso Province and the Valparaíso Region...
and Concepción. There was severe damage on the coast from Cauquenes
Cauquenes
Cauquenes, a city and commune in Chile, is the capital of the Cauquenes Province and is located in the Maule Region.-History:According to the historical records of Alonso de Ercilla, Cauquenes was originally inhabited by an indigenous community of the Promaucaes, known as the Cauqui by the Inca or...
to Pichilemu
Pichilemu
Pichilemu , originally known as Pichilemo, is a beach resort city and commune in central Chile, and capital of Cardenal Caro Province. It is located southwest of Santiago, the capital of Chile, and comprises an urban center and twenty-three villages, such as Ciruelos, Cáhuil, and Espinillo...
, and in the following cities in the Chilean Central Valley
Chilean Central Valley
The Central Valley , Intermediate Depression or Longitudinal Valley is the depression between the Chilean Costal Range and the Andes Mountains. The central valley should not be confused with Central Chile that encompasses part of the valley...
: Talca
Talca
Talca is a city and commune in Chile located about south of Santiago, and is the capital of both Talca Province and Maule Region . As of the 2002 census, the city had a population of 193,755....
, Curicó
Curicó
Curicó , meaning "Black Waters" in Mapudungun , is the capital city of the Curicó Province, part of the Maule Region in Chile's central valley....
and San Fernando
San Fernando, Chile
San Fernando is the capital of the province of Colchagua, in central Chile, and the second most populated urban center of the O'Higgins Region. Located close to the Tinguiririca River in a fertile valley, San Fernando sits 1,112 feet above sea level...
.
In Talca, there were 108 dead, in Constitución, 67, and in the surrounding villages, 50. Soon after the earthquake, the Barahona dam, in the valley of Cachapoal River
Cachapoal River
Cachapoal River is tibutary river of the Rapel River in Chile located in the O'Higgins Region. The river gives its name to the Cachapoal Province.- Source :*...
, that contained copper tailings, collapsed, killing 54 miners.
In total, there were 279 dead, 1.083 wounded and 127.043 homeless.