Determination of emergency roads to emergency accommodation using loss analysis results

Geoenvironmental Disasters

Table 1 Attenuation relationship components (Zare et al., 1999)

Region	A	B	C₁	C₂	C₃	C₄	Σ
Central Iran – Alborz (Vertical Component)	0.322	−0.0003	−0.828	− 0.754	−0.971	− 0.788	0.352
Central Iran – Alborz (Horizontal Component)	0.322	−0.0004	−0.688	− 0.458	−0.72	− 0.585	0.394
Zagros (Vertical Component)	0.406	−0.0038	−1.262	−1.333	− 1.23	−1.777	0.356
Zagros (Horizontal Component)	0.339	−0.0019	−1.047	−1.065	− 1.02	− 0.975	0.329
Iran (Vertical Component)	0.362	−0.0002	−1.124	−1.15	− 1.139	−1.064	0.336
Iran (Horizontal Component)	0.36	−0.0003	−0.916	− 0.852	−0.9	− 0.859	0.333

Considering the conducted studies, the site of the studied region is in hard alluvium category. Hence, S₂ = 1, and S₁, S_3, and S₄ are equal to zero