Strong earthquake shakes eastern Indonesia January 25, 2014 -- Updated 0549 GMT (1349 HKT) (CNN) -- A strong magnitude 6.1 earthquake rattled the Java region of eastern Indonesia on Saturday, the U.S. Geological Survey reported. The epicenter of the quake was 39 kilometers (24 miles) south-southeast of Adipala. An earthquake of this magnitude can cause a lot of damage if it hits a very populated area, according to a Michigan Tech seismology website. There were no immediate reports of damage or casualties.