Table 3 Input parameters for Eject!

Ejection angle

17-90°

Sampling a truncated von Mises-Fisher distribution, depending on vent location

Initial velocity - Scale 2

70-80 m/s

Sampling a uniform distribution

Initial velocity - Scale 3

80-100 m/s

Sampling a uniform distribution

Initial velocity - Scale 4

100-140 m/s

Sampling a uniform distribution

Block diameter

0.2, 1, 2 m

Weighed using a power law distribution

Block shape

"high cube"

Ballistics are mostly angular (Kilgour et al. 2010)

Block density

2400 kg/m³

Average block density after Kilgour et al. (2010)

Tailwind velocity

0 m/s

Radius of reduced drag zone

100 m

Temperature at sea level

14 °C

Yearly average in New Plymouth (NIWA 2014)

Thermal lapse rate

6.5 °C/km

Standard atmospheric conditions (ICAO 1993)

Elevation

2380 m

Vertical distance landing - take off