The central segment is roughly 10 km wide with a spreading rate of 2.4 cm per year (half-rate). The southern segment has sections as wide as 18 km, and has the slowest spreading rate of 1.2 cm per year (half-rate).
The central segment has a width of roughly 10 kilometers and expands at a rate of 2.4 cm per year (half-rate). The southern segment is wider, reaching up to 18 km in width, and expands at the slowest pace of 1.2 cm per year (half-rate).