Table 2.
Model parameters for a five-layer Europa.
| Thickness (km) |
Density(kg/ m3) |
Shear modulus (Pa) |
Viscosity (Pa s) |
|
|---|---|---|---|---|
| Iron core | 391 | 8000 | 6.5 × 1011 | 1 × 1021 |
| Silicate mantle | 1044.8 | 3500 | 6.5 × 1010 | 1 × 1020 |
| Ocean | 100 | 1000 | Negligible | Negligible |
| Ductile ice | 20 | 999 | 3.49 × 109 | 1 × 1014 |
| Brittle ice | 5 | 998 | 3.49 × 109 | 1 × 1021 |