JAKARTA, Aug. 4 (Xinhua) — An undersea earthquake measuring 6.0 on the Richter scale struck off Sumatra Island earlier Thursday, but no tsunami threat was reported, the Meteorology and Geophysics Agency reported here.
The quake jolted at 07:16 a.m. Jakarta time (0016 GMT) with the epicenter at 37 km southwest Mukomuko of Bengkulu province of Sumatra and with a depth at 28 km under sea bed, an official of the agency told Xinhua by phone.
The intensity of the quake was felt by 4 to 4 MMI (Modified Mercally Intensity) in Mukomuko, 3 MMI in Bengkulu city, the capital of Bengkulu province and Padang Pariaman of West Sumatra province and Jambi province, he said.
The USGS reported earlier on its website that the quake was measured at 5.8 magnitude.
