Tephra2 Site Probability Tool

Step 1:

Step 2: Input a location for hazard assessment:

Longitude (decimal degrees) Latitude (decimal degrees) Elevation (m):

Step 3: Choose one or more eruption styles:

VEI-2

Mass Range: 1 x 10⁹ -- 1 x 10¹⁰ kg
Column Range: 1 -- 5 km

VEI-3

Mass Range: 1 x 10¹⁰ -- 1 x 10¹¹ kg
Column Range: 3 -- 15 km

VEI-4

Mass Range: 1 x 10¹¹ -- 1 x 10¹² kg
Column Range: 10 -- 25 km

VEI-5

Mass Range: 1 x 10¹² -- 1 x 10¹³ kg
Column Range: 20 -- 35 km

VEI-6

Mass Range: 1 x 10¹³ -- 1 x 10¹⁴ kg
Column Range: 25 -- 40 km

VEI-7

Mass Range: 1e14 -- 1e15 kg
Column Range: 30 -- 50 km

Fixed

Fixed Mass and Column Height (km)

Set the Eruption Mass as Log(kg)

small volume large volume

Set the Column Height (km)

short plume tall plume

Step 4:

Choose a number of simulations for each eruption style selected:

fewer (100) calculations more (1000) calculations

100

Please be patient. Code execution may take up to 10 minutes depending on the scale of your submission. You will be notified when your plot is ready.