The epicenter of the quake which struck at 01.53 a.m. local time was in the sea 66 kilometers southwest of Garut at a depth of 19 kilometers, acting chief of the Garut District Disaster Mitigation Board (BMKG) Dadi Djakaria said on Thursday, quoting a BMKG report.
"The quake did not have the potential to cause a tsunami," he said.
The quake occurred when most of local residents were asleep, he pointed out.
Dadi said he had instructed BPBD volunteers and heads of southern coastal sub-districts in Garut to monitor the impact of the quake.
No fatalities or injuries were reported in the natural disaster.
Many residents felt the quake which lasted for a few seconds.
"I felt it for nearly 10 seconds," a local resident, Neni said.
An earthquake with a magnitude of 5.1 on the Richter scale is considered moderate and capable of causing damage.
Garut is one of the districts in Indonesia prone to earthquake.(*)
Editor: Heru Purwanto
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