Tephra transport & deposition · GSI elevation model

Sakurajima Ashfall Sandbox

Set an eruption and a wind field, watch the plume bend and the deposit drape over real terrain. Analytical advection–diffusion with Reynolds-dependent settling, after Suzuki (1983) and Tephra2. Physics, validation and limitations are in the README.

Sakurajima · Minamidake
Deposit thickness
0.001 mm11000+
Loading terrain…
Kagoshima city
–
mm · –
Kagoshima airport
–
mm · –
Peak deposit
–
mm · –
Area > 1 mm
–
km²
–

Scenario

Eruption source

Implied duration Mastin –

Wind field

Plume animation

View & deposit