MANILA, March 3 (Xinhua) -- A 6.5 magnitude earthquake hit a maritime area 184 km northeast of Catarman, northern Samar in eastern Philippines Monday evening at 22:11 local time (1411 GMT),said the Philippine Institute of Volcanology and Seismology (Phivcs).
The depth of focus of the quake was shallow with 56 kilometers and was tectonic in origin. The tremor was also felt in Iriga Cityand Legaspi City in eastern Philippines, said Phivcs.
No damage or casualty was reported and no aftershocks were expected, said Phivcs.
The U.S. Geological Survey earlier said a 7 magnitude earthquake shook Catanduanes island in eastern Philippines at 22:11 local time (1411 GMT) Monday. It changed the magnitude to 6.9 minutes later.
The Philippine Daily Inquirer's online service quoted the U.S. Geological Survey as saying a 5.8 magnitude quake also hit the northern island of Batannes in northernmost Philippines 21:49 local time (1349 GMT) Monday without causing damage or casualty. Phivcs confirmed it to be a 5.7 magnitude quake.