p-wave velocity (m/s) Density (kg/m³)

2000 - 4500

2000 - 2490

Sediment cover

5500 - 6000

2650 - 2710

basement

6000 - 6800

2710 - 2860

Middle crust

6800 - 7100

2860 - 2960

Lower crust

8200

3300

mantle