According to local weather services the quake could spark a tsunami on the nearby island of Bali, but this has not been confirmed by authorities.
Although an official tsunami warning has not been issued, locals living near Mount Agung volcano were reportedly seen evacuating their homes.
Officials fear the increased the seismic activity could spark the eruption of Mount Agung volcano.
The size of the evacuation zone was widen around the volcano on Monday as the potential eruption alert level was raised to high.
Pak Kasbani, the head of the Centre for Volcanology and Geological Hazard Mitigation said: “We see that the earthquake frequency is very high, this is worrying when it comes to eruption.
“The areas should be closed, no hiking because the seismic activity will trigger dangerous gas.”
The Indonesian city of Surabaya, which is around 78 miles (125km) from where the quake struck, has a population of 2.3million.
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