Table 1 Vulnerable infrastructure.

From: Research on efficient relief logistics planning under massive natural disasters

Category

Detail

Vulnerable level

Influence distance

Slop

Vulnerable Slop

High

0.1 km

Bridge

Route to pass through valleys and rivers

Low

0.5 km

Barrage

Small dam to store and supply water

Low

5 km

Lowland

Low area that is vulnerable to flooding

Middle

0.1 km