The Campi Flegrei Blind Test: Evaluating the Imaging Capability of Local Earthquake Tomography in a Volcanic Area

Table 1

Physical properties of the lithological units of the 3D model. Colours correspond to the graphical representation of Figure 3.

Unit	Colour	𝑉P (m/s)	𝑉P/𝑉S
Fluid magma	Red	2800	9.33
Carbonates	Green	5500 + 250 * (z (km) − 4)	1.75
Solid magma	Purple	2500	1.8
Met. tuffs	Dark brown	4000 + 400 * (z (km) − 3)	1.8
Tuffs	Light brown	2000 + 500 * z (km)	1.85
Weakly consolidated soils	Grey	1000 + 500 * z (km)	2.0