Permanent eruption dates + sequences

Question 1

6’s erupt first at:

Answer 1

Upper: 6-7 years
Lower: 6-7 years

Question 2

Followed by 1’s

Answer 2

Upper: 7-8 years
Lower: 6-7 years

Question 3

2’s

Answer 3

Upper: 8-9 years
Lower: 7-8 years

Question 4

3’s

Answer 4

Upper: 10-12 years
Lower: 9-10 years

Question 5

4’s

Answer 5

Uppers: 9-11 years
Lower: 9-11 years

Question 6

5’s

Answer 6

Upper: 10-11 years
Lower: 9-11 years

Question 7

7’s

Answer 7

Upper: 12-13 years
Lower: 11-12 years

Question 8

8’s

Answer 8

Upper: 18-25 years
Lower: 18-25 years