Monthly Archives: July 2013

M 4.7 Earthquake along Lake Toba, Sumatera

There was a M=4.7 earthquake today in central Sumatra along the Sumatra fault system. Interesting that it is following the 6.1 further to the north just a few days ago. in the map below, the earthquakes associated with the M … Continue reading

Posted in Uncategorized

M 6.1 in northern Sumatra

nice strike slip earthquake here in northern sumatra. pretty big, hope not many people were hurt. but, much smaller than could be observed on this fault system. the sumatra fault system is a right lateral strike slip fault system that … Continue reading

Posted in geology, subduction, sumatra