YOGYAKARTA, TIMOR NOW HATENE - Tsunami expert from the Technology Application Assessment Agency, Widjo Kongko said that the southern coast of Java Island had the potential of an earthquake of 8.8 on the Richter scale. The earthquake could trigger a massive tsunami, as high 20 meters. "There are megathrust segments along the south of Java to Sumba on the east side and south of the Sunda Strait. As a result, there is a potential megathrust earthquake with magnitude 8.5 to 8.8, "he said in Yogyakarta (DIY) on Wednesday (7/17). Earthquakes with this magnitude have the potential to cause tsunami waves to emerge. Based on the modeling, the tsunami wave has a potential height of 20 meters with a bathing distance of about four kilometers. So that the tsunami wave will arrive in about 30 minutes after a large earthquake occurs. "If the Meteorology and Geophysics Agency (BMKG) takes five minutes since the earthquake to deliver an early warning, the community only has about...