the_muskox
the_muskox t1_j9zem6q wrote
Reply to comment by OpenPlex in When a volcano erupts, does this affect the pressure building up in other volcanoes? by Rhamni
The magma is exploiting fractures and other weaknesses in the overlying rock to ascend. That's much easier and faster than just melting its way through several km of rock.
the_muskox t1_ja080dv wrote
Reply to comment by [deleted] in When a volcano erupts, does this affect the pressure building up in other volcanoes? by Rhamni
> For example, the eruption of Mount Pinatubo in the Philippines in 1991 is thought to have triggered the eruption of nearby Mount Unzen in Japan.
Do you have a source for this? They're on separate magmatic arcs.