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An earthquake registering approximately 8.5 Mw devastated Concepción, Chile, and triggered a tsunami that destroyed neighbouring Talcahuano.
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1835 Concepción earthquake
Earthquake in Chile
The 1835 Concepción earthquake was an earthquake that occurred near the neighboring cities of Concepción and Talcahuano in Chile on 20 February at 11:30 local time, and had an estimated magnitude of about 8.5 Mw. The earthquake triggered a tsunami which caused the destruction of…Source: Wikipedia (CC BY-SA)
Moment magnitude scale
Measure of earthquake size, in terms of the energy released
The moment magnitude scale is a measure of an earthquake's magnitude based on its seismic moment. Mw was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori. Similar to the local magnitude/Richter scale (ML ) defined by Charles Francis Richter in 1935, it uses a…Source: Wikipedia (CC BY-SA)
Concepción, Chile
City and Commune in Bío Bío, Chile
Concepción is a city and commune in south-central Chile, and the geographical and demographic core of the Greater Concepción metropolitan area, it is the second largest city in Chile by urban area and one of the three major conurbations in the country. It has a significant…Source: Wikipedia (CC BY-SA)
Talcahuano
City in Chile
Talcahuano is a port city and commune in the Biobío Region of Chile. It is part of the Greater Concepción conurbation. Talcahuano is located in the south of the Central Zone of Chile.Source: Wikipedia (CC BY-SA)