The epicenter of the quake which struck at 09.33 p.m. was in the sea 118 km southwest of Cilacap at a depth of 25 km, the head of the Banjarnegara geophysics station, Ahmad Lani said on Friday.
The quake did not have the potential to trigger a tsunami, he said.
Local resident Alfarizi said he was shocked by the temblor.
"I was calling my friend at Adipala when the quake happened. My friend shouted quake, quake and I also felt the quake," he said.
He said the quake was strongly felt by local residents but it did not panick them.(*)
Editor: Heru Purwanto
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