Volcanic Phases

Age in Ma

Presumed geological age

6

0.10 - 0.30

Late to Middle Pleistocene

5

0.30 - 0.50

Middle Pleistocene

4

0.50 - 1.22

Early to Middle Pleistocene

3

1.22 - 1.77

Early Pleistocene

2

1.77 - 2.24

Late Pliocene

1

2.73 - 5.27

Early to late Pliocene