The Bubble Lab is an experimental laboratory to study bubble processes in hydrothermal and volcanic terrain. Earthquake and volcano processes are commonly accompanied by migration of fluids and deformation of fluid systems and their interaction with the host rock, including fracturing, fluid-filled crack growth and diking. The coupling between fluids and rock works in both ways: On one side, changes in the state of fluid-rock systems are thought to encourage or discourage tectonic earthquakes, …