Seismic chart with peak values. File photo BUENOS AIRES, May 11. An earthquake of magnitude 6.8 occurred in the north of Argentina and Chile, the national seismological centers of both countries report. depth of 220 kilometers in the province of Jujuy. Chile recorded an earthquake at a depth of 248 kilometers. There is no data on the destruction. Earthquakes are not uncommon for this region of South America. >An earthquake strikes off the southern coast of the Philippines
