A moderate quake with magnitude of 5.2 jolted Sulawesi island in central Indonesia on Sunday evening, the Meteorology and Geophysics Agency reported. The quake struck at 9:56 p.m. Jakarta time (1456 GMT) with the epicenter at 128 km southeast of North Sulawesi and 10 km deep, the agency said. Indonesia sits on a vulnerable quake-prone zone called \"the Pacific Ring of Fire.\"