Table 4.

Displacement rate, azimuth, and dip measured by topographic benchmark, InSAR and laser distance meter monitoring of ARPA Piemonte (measured along the line of sight—LOS).

Instrument	Topographic Benchmarks				Laser Distance	InSAR
Name	T0	T3	T2	T1	D2	Radarsat PSVLOS
Temporal Span [Year]	2006–2019				2009–2018	2003–2009
Velxy [ mm/year]	1.4	1.2	2.1	1.7	-
Azimuth [°]	55	73	55	64	-	80 LOS
Velxyz mm/year	2.9	2.6	3.2	3.4	2.7 (LOS)	2.9 LOS
Dip[°]	61	63	50	58	-	56 LOS