6.6 quake strikes north-west of Indonesia

A magnitude 6.6 earthquake hit 173 kilometers north-north-west of the Maluku Islands in Indonesia, the US Geological Survey reported. Located in the Molucca Sea Collision Zone, the quakes are common for the isles, as well as volcanic eruptions. The Sunday quake, which centered at the depth of some 60 kilometers, did not trigger a warning from the US Tsunami Warning System.