A seismograph monitors a volcano in North Sumatra province, Indonesia in 2010. A strong magnitude 7.1 earthquake struck in the Andes mountains of south-west Colombia on Sunday, the US Geological ... more 

A seismograph monitors a volcano in North Sumatra province, Indonesia in 2010. A strong magnitude 7.1 earthquake struck in the Andes mountains of south-west Colombia on Sunday, the US Geological Service that monitors quakes worldwide reported less