An earthquake has struck south of Java causing hundreds of residents of an Indonesian port town to head for higher ground.
The 6.7 earthquake happened in the early hours of Monday morning, rousing people from their sleep.
The US Geological Survey has estimated the quake erupted 10 kilometres underground, with its with an epicentre in the Indian Ocean 275 kilometres south of the Javanese coast.
A warning was quickly issued saying the tremor had the potential to cause a tsunami.
The warning was later cancelled although hundreds of residents in the seaport town of Cilacap have decided to wait out the next hours on higher ground.
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