Java: An earthquake measuring 5.6 on the Richter Scale hit Cianjur town in West Java on Monday which left at least 40 people dead, media reports said.
As per US Geological Survey released data the quake hit at a shallow depth of 10km.
The tremor could be felt in the capital Jakarta about 100km away, where people in high-rise buildings were evacuated, reports BBC.
Officials believe the death toll might rise.
The area where the quake struck is densely populated and prone to landslides, with poorly-built houses. Rescuers have been trying to evacuate people from collapsed buildings, and managed to save a woman and her baby, BBC reported quoting local reports.