Bandarlampung (ANTARA News) - A tectonic earthquake measuring 4.6 on the Richter Scale rocked Southeastern area of Sanur, a famous tourist object in Bali at about 22:50 Western Indonesian Standard Time (WIB) on Saturday evening.
The Meteorology and Geophysics Agency (BMG) through its geophysic station in Kotabumi, Lampung and maritime meteorology station in Panjang, Bandarlampung, on Sunday said the epicenter of the quake was located in 8.75 degree southern lattitude and 115,44 degrees eastern longitude in a depth of 46 km, around 21 km southeast Sanur.
Whether the quake hitting Sanur has to do with a myriad of aftershocks which jolted western coastal area of Sumatra is something possible, as Bali is also located in a `ring of fire`.
Fauzi, head of the Jakarta based Meteorology and Geophysics Agency (BMG)`s technical seismology and tsunami affairs division at a discussion on earthquakes here Saturday, said aftershocks that followed the earthquake measuring 7.9 on the Richter scale in West Sumatra and Bengkulu provinces last Wednesday will move northward and are likely to continue rattling the western coast of Sumatra, an official has said.
"A coordinate point between 2 and 4 degrees southern latitude and its northbound side is an aftershock-prone area," he said.
The areas which Fauzi meant were the whole western coast of Sumatra from Aceh to Lampung provinces within a 100-200 km radius and their westbound side.
According to BMG, a powerful aftershock measuring 7.7 on the Richter scale shook Bengkulu and West Sumatra provinces Thursday morning. Tens of aftershocks rocked the two provinces afterwards.
The agency, Fauzi said, was already capable of distributing information on temblors and possible tsunami within 10 minutes or faster than foreign agencies.
"The BMG has already set up many censors that are capable of obtaining information on quakes and tsunami faster than foreign agencies," he said.
The agency said at least 17 people were killed in Wednesday`s quake the brunt of which was borne by Lais sub district in Bengkulu.
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