If earthquakes happen when tectonic plates press against each other, then do fissures get bigger?
In: Planetary Science
Yes, in fact, this is how we figured out plate tectonics were a thing. A scientist during WWII was using supply ships to scan the bottom of the Atlantic and found the mid Atlantic ridge. They were scoffed at, then later after the war it was confirmed. The mid atlantic ridge is, I believe, the longest fissure in the world, but it is far from the only one. In fact another major one is responsible for us in existing, in Ethiopia and Kenya. The East African rift valley is thought to be where homosapiens first originated, and will eventually form a new sea. There’s also a lot of tectonic activity there in the form of geysers and near surface magma, forming some truly spectacular and dangerous areas, in the form of lakes that will kill you almost instantly if you enter them…or even go near them sometimes because of gases.
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