Jakarta, An earthquake measuring 5.5 on the Richter scale struck on Tuesday West Tenggara Bastian Province in Indonesia. A statement by the Indonesian Meteorology, Climatology and Geophysics Agency said that the epicenter of the earthquake occurred 273 km, at a depth of 10 km. There have been no reports of causalities or material damage. Indonesia is regularly exposed to earthquakes due to its location on the Pacific Ring of Fire where many tectonic plates meet and cause frequent volcanic and seismic activity. Source: Qatar News Agency