Table 5 Hazard scenarios defined for Ceboruco volcano. The processes involved in each eruptive scenario are indicated

SCENARIO 1

Effusive eruption of andesitic composition Volume: 0.02–0.5 km³ Eruptive column height: 1–5 km VEI < 2

Volume

Diameter

Volume

0.001–0.025 km³

0.1–0.5 m

0.02–0.475 km³

Eruptive column height

Density

Average thickness

1–5 km

Andesite 2500 kg/m³

10–40 m

Granulometry

Initial velocity

Length

Samples of 1870 eruption

150 a 200 m/s

8–15 km

SCENARIO 2

Vulcanian eruption, with a dacitic effusive phase Volume: 0.5–2.5 km³ Eruptive column height: 5–15 km VEI: 2–3

Volume

Diameter

Volume

Volume

Volume

0.05–0.25 km³

0.1–0.5 m

0.475–2.125 km³

0.025–0.125 km³

0.5–3/4 x 10⁶m³ (water + sediments)

Eruptive column height

Density

Average thickness

Bed friction

Sediment input areas

5–15 km

Andesite/Dacite 2500–2800 kg/m³

40–140 m

Ceboruco slopes

Granulometry

Initial velocity

Length

Column collapse height

Samples of 1870 eruption

150 a 200 m/s

4–8 km

1500 m

SCENARIO 3

Plinian eruption Volume: 2.5–5 km³ Eruptive column height: >  20 km VEI > 3

Volume

Diameter

Volume

Volume

2–4 km³

>  0.5 m

0.5–1 km³

9–11 × 10⁶ m³ (water + sediments)

Eruptive column height

Density

Bed friction

Sediment input areas

15–35 km

Andesite/Dacite 2500–2800 kg/m³

Ceboruco slopes + SMO

Granulometry

Initial velocity

Column collapse height

Samples of plinian eruption Jala

150 a 200 m/s

1500 m

Tephra 2 (Bonadonna et al., 2014) Hazmap (Macedonio et al., 2005)

Eject! Code (Mastin, 2001)

Etna Lava Flow Model (Damiani et al., 2006)

Titan2D (Patra et al., 2005; Sheridan et al., 2005)

Flo-2D (O’Brien et al., 1993) LaharZ (Schilling, 1998)