Table 1.
List of input parameters used to calculate volume, VEI, eruption height, and eruption magnitude based on tephra fall thickness and grain size parameters of tephra fall samples
Isopach | Isopleth | |||||
---|---|---|---|---|---|---|
Exponential | Power-law | Weibull | Exponential | Power-law | Weibull | |
Isopachs used (cm) | 45, 10, 1.5, 0.5, 0.3, 0.10, 0.05 | — | ||||
Isopleths used (cm) | — | 1.65, 0.325, 0.13, 0.075 | ||||
Break in slope (BIS) | 4 | — | — | 2 | — | — |
Distal limit (C) | — | 130 | — | — | — | — |
λ range | — | — | 5–20 | — | — | 2–10 |
n range | — | — | 0.2–20 | — | — | 0.5–2 |
A 10% error was applied to all thickness and diameter measurements and a 20% error on distal limit (C). Values of λ and n are within the ranges recommended by Bonadonna and Costa (2013)