Table 1.

Upper and lower bounds in Monte Carlo sampling of the inversion variables.

Layer	${\mathit{V}}_{{\mathit{s}}_{\mathit{min}}}$ (m/s)	${\mathit{V}}_{{\mathit{s}}_{\mathit{max}}}$ (m/s)	hmin (m)	hmax (m)
1	100	300	1	6
2	200	800	2	30
3	500	2000	2	30
4	1500	2500	—	—