Jakarta - An undersea earthquake with 6.2 magnitude hit Indonesia's North Maluku province on Wednesday but did not trigger a tsunami warning, disaster officials said.
There were no immediate reports of damage or injuries, said Sutopo Purwo Nugroho, spokesperson for the National Disaster Management Agency.
People in West Halmahera, and in Ternate and Maluku - two cities in North Maluku province - felt a strong jolt for three to five seconds, Nugroho said.
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"But they were able to remain calm since they are used to quakes. They responded by getting out of their houses," he added.
The region is highly prone to earthquakes. A 7.3-magnitude earthquake struck the area in November 2014.
Wednesday's earthquake struck West Halmahera district at 05:12 am at a depth of 10km.