JAKARTA, Jan. 22 (Xinhua) -- A strong and shallow quake with a magnitude of 6.2 rocked East Nusa Tenggara province of cental Indonesia Tuesday, but was not potential for tsunami, meteorology and geophysics agency said.

The quake jolted at 6: 59 a.m. Jakarta time Tuesday (2359 GMT Monday) with epicenter at 103 km southwest of Sumbawa Island of the province and a depth of 10 km under sea bed, official in charge of meteorology and geophysics agency Aziz Sugiarso said.

"For this quake, there were no signs of tsunami to occur so we did not issue a warning for that," he told Xinhua by phone.

The intensity of the quake was felt at 3 MMI (Modified Mercalli Intensity) in Waingapu town, the official said.

Indonesia is prone to quake as it lies on a vulnerable quake-impacted area so called "the Pacific Ring of Fire."