The Region has been hit by many Chilean earthquakes , including the most powerful earthquake ever recorded ( in 1960 ) and the great earthquake of 2010 . Many communities in the region were greatly affected by the earthquake of 2010 and the subsequent tsunami . That earthquake damaged Talcahuano and Dichato ; the tsunami destroyed much of what remained of the port town
most powerful earthquake
1960 Valdivia earthquake
Biobío Region