Transient conduit permeability controlled by a shift between compactant shear and dilatant rupture at Unzen volcano (Japan)

Lavallée, Y.; Miwa, T.; Ashworth, J.; Wallace, P.; Kendrick, J.; Coats, R.; Lamur, A.; Hornby, A.; Hess, K.; Matsushima, T.; Nakada, S.; Shimizu, H.; Ruthensteiner, B.; Tuffen, H.