Earthquakes and tsunamis, that dismantled the city in 1570, 1657, 1687, 1730 and 1751, junction rectifier the authorities to maneuver the city to its current web site within the Valle Delaware la Mocha, aboard the Bío Bío River; the recent web site lay empty till March twenty nine, 1842, once the current city of Penco was supported.
Earthquakes le tsunamis, tse di eleng tsa nna teng mo toropong eo ka ngwaga wa1570, 1657, 1687, 1730 le 1751, di ile tsa gwetlha bana le dithata go sutisa toropo eo go e baya ko e ne e le teng lantlha ko Valle de la Mocha, mabapi le Bío-Bío River; lefelo la ntlha le nna le sena sepe ka ngwaga 1842 fa toropo e ya Penco e tlhongwa.