It could be from a volcano that last erupted 3.5 billion years ... it’s going to be massively important for how we think about the internal workings of other rocky bodies in the solar system.” ...

A miles-wide volcano off Oregon’s coast could erupt “soon” say scientists who’ve been tracking it for decades. The Axial Seamount is a massive undersea volcano that reaches more than 3,600 ...

Figure 1: Morphology and internal structure of a mud volcano. The morphological appearance of a crater rim, moat and central pedestal mirrors that of magmatic calderas. Evans and co-authors ...