For over 30 million years, from around 122 million years ago to 90 million years ago, basaltic lava erupted from fissures on the seafloor building up a volcanic plateau, eventually breaking sea level.

The mare basins on the Moon are topographic lows; they were even deeper holes before flooding by lava. The Colorado Plateau is an elevated area, most of it lying well above one-to-two miles (2-5 ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Drew White, graduate student ...