Epicenter of the quake, which struck at 7:49 West Indonesia Time (WIB), was located 85 kilometers northwest of Bolaemo, at a depth of 20 kilometers, the agency noted.
The tremor was felt at Modified Mercalli Intensity (MMI) scale III in Bolaemo, II-III in Buol, I in Manado, II in Bone Bolango and II in Gorontalo.
No injury or fatality was reported in the quake.
North Sulawesi is among the Indonesian provinces prone to earthquakes.
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