Jakarta, July 15 -- A research team from the National Research and Innovation Agency's (BRIN's) Geological Disaster Research Center discovered ancient tsunami deposits dating back 1,800 years at multiple sites along southern Java, including the Kulon Progo southern coast.

Based on these findings, BRIN sedimentology researcher Purna Sulastya Putra, in a statement released in Jakarta on Tuesday, highlighted various developments around Yogyakarta International Airport (YIA) in Kulon Progo District, Yogyakarta. The ancient tsunami deposits were found approximately two kilometers from the airport.

"We also found younger layers in Kulon Progo. We have previously found these younger layers in other locations, such as Lebak and Pangandaran, ind...