Analytical landslides prone area by using Sentinel-2 Satellite Imagery and geological data in Google Earth Engine (a case study of Cinomati Street, Bantul Regency, Daerah Istimewa Yogyakarta Province, Indonesia)

Abstract

The incidence of landslides and the fact that a large number of people live in areas vulnerable to landslides lead to a high death toll in Java Island, Indonesia – more than 1,112 people in the period 1999 to 2005. The study site has an area of 55.56 hectares, along Cinomati Street, Dlingo, and Pleret Sub District, Bantul District, Daerah Istimewa Yogyakarta Province, Indonesia. The methods that use in this study are, Sentinel-2 Imagenery and Geological data. The purpose of this study is to determine the landslides prone area in the study site. The methods used in this study are Sentinel-2 Satellite Imagery and geological data. Along the Cinomati road based on geological data, it has a weak area that has the potential for landslides from the continuation of the Opak fault and rock formation boundaries. Landslide area are locations with complex geological conditions and sparse vegetation. In other rare vegetation besides the location of landslides, it also needs to be aware of other potential landslides, because this research is limited to sentinel images with a density of 10m2.

Real-time shallow landslide hazard assessment on a regional scale

“…3 shows the location of landslides that have occurred at the site during the year 2015~2020. These locations were identified by analysing satellite images on different dates using Google earth engine (e.g., Handwerger et al 2020;Prasetya et al 2021). This study focuses on a particularly well timeconstrained landslide (Landslide A) that occurred on October 31, 2020, at 10:00 am, as highlighted in Fig.…”

Petrography of quartz sandstone in Nanggulan formation at Sermo area, Kulon Progo Regency, Daerah Istimewa Yogyakarta, Indonesia: implications on provenance and basin origin

“…Publications regarding the Nanggulan Formation other than in the Nanggulan Region such as in Sermo have never been studied in depth, especially for the provenance of quartz sandstone. Studies on structure have been ever studied by [13] and [14] which is predominantly influenced by patterns in north-south and northwest-southeast directions.…”