What would we need to have 1km deep fissures spanning out across the planet?

What kind of event would we need to have 1km deep fissures spanning out across the planet.

I can work with a hypothetical scenario where the planet might have had some sort of tectonic issue causing these fissures to open up all over the place, but what kind of event would that look like?

is a duplicate

This question has been asked before and has already been answered. It should be marked as a duplicate.

Please enter the URL of the proposed duplicate in the details field below.

not constructive

This question cannot be answered in a way that is helpful to anyone. It's not possible to learn something from possible answers, except for the solution for the specific problem of the asker.

Communities

What would we need to have 1km deep fissures spanning out across the planet?

0 comment threads

0 answers