A magnitude 7.0 quake on August 5 damaged tens of thousands of homes and displaced several hundred thousand people on Lombok.
A strong 6.3-magnitude natural disaster has rocked the Indonesian island of Lombok, sending people fleeing into the streets just two weeks after a quake which killed hundreds of people.
According to the US Geological Survey the tremor was centred west-southwest of Belanting town in East Lombok.
The latest tremor sent shudders through residents.
"We are monitoring the situation and some places felt it, but it was a very deep quake", director Apete Soro said by telephone.
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The tremor was also felt in the island's capital Mataram and on the neighbouring resort island of Bali.
He said that activity on the island was normal and Mount Rinjani, where hundreds of trekkers were stranded after the July 29 quake, was closed and there were no tourists there.
But it was less powerful than the deadly quake earlier this month and there were no immediate reports of deaths or injuries.
Indonesia is prone to earthquakes because it lies on the Ring of Fire - the line of frequent quakes and volcanic eruptions that circles virtually the entire Pacific rim.