The field survey of a magnitude 7.5 earthquake struck north of Palu, Indonesia



Pleriminaly report for the field survey(速報)(Summery PDF)

Members of the survey team

Taro Arikawa, Chuo University, Japan

Abdul Muhari, Ministry of Marine Affairs and Fisheries, Indonesia

Yoshihiro Okumura, Kansai University, Japan

Yuji Dohi, National Research Institute for Earth Science and Disaster Resilience, Japan

Bagus Afriyanto, Ministry of Marine Affairs and Fisheries, Indonesia

Karina Aprilia Sujatmiko, Institut TeknologiBandung, Indonesia



Possible subsidence areas or tsunami source areas along the coast


F area. Photo by UAV
The result of field survey data showing the tsunami heights overlaid in Google Maps, without tidal correction. “I”, “R” and “S” represent inundation height, runup height and the height of splash wave, respectively.
Debris caught of a tree, which is a trace of a tsunami in Mambolo. A phenomenon which seems to be ground subsidence along the coast was observed.