Mitigation of the Wonorejo active fault on the Probolinggo-Banyuwangi toll road

Reza Kazhimi,S.-J Hwang,A Hakam,L Comfort,I.W Segara

doi:10.1051/e3sconf/202015601001

Abstract

As the world’s largest archipelago, Indonesia is located between the world’s most active seismic region. This situation leads Indonesia to be part of the region that has the highest seismic potential in the world. In recent years, one of the infrastructures that experiences significant development is the toll road. As Indonesia is located in active tectonic areas, it is certainly a challenge in the process of determining the alignment and technical design of the toll road. The original alignment (based on basic design) of Probolinggo-Banyuwangi toll road which is now in the planning stage was passing the Wonorejo fault which is an active fault based on the Seismic Hazard Maps of Indonesia 2017. Because earthquakes are natural events that have not been accurately calculated and estimated, both when and where they occur as well as their magnitude, according to the mitigation strategies for fault rupture suggested by FEMA (Federal Emergency Management Agency), the fault rupture should be avoided, even more, earthquakes have the potential to cause large losses. Based on these considerations, the alignment of the Probolinggo-Banyuwangi toll road is in the process of being submitted for a shift to the east in order to avoid the location of the Wonorejo fault.

Highlights

Disaster is an abrupt adverse or unfortunate extreme event which causes horrific damage to human beings, plants and animals
Indonesia is located in the Circum-Pacific belt, known as the Ring of Fire, and is the most active belt in the world
The original alignment of the Probolinggo-Banyuwangi toll road which is in the planning stage was passing the Wonorejo fault which is an active fault based on the Seismic Hazard Maps of Indonesia in 2017

Summary

Introduction

Disaster is an abrupt adverse or unfortunate extreme event which causes horrific damage to human beings, plants and animals. High fatalities, disastrous property losses as well as loss of income are incurred These events which occur aggravate natural environmental processes cause disasters to human society such as sudden tectonic movements leading to earthquake and volcanic eruptions, continued dry conditions leading to prolonged droughts, floods, atmospheric disturbances, collision of celestial bodies, etc. If it is seen from the impact caused, the earthquake and tsunami have the greatest impact which can be seen from the loss of life and damage to the building caused. Earthquake mitigation is needed to reduce the danger caused by earthquakes

Wonorej o

Findings

Train tracks curving