When magma moves into the rift zone of a Hawaiian volcano, there is understandably a lot of excitement and apprehension. How ...

Hundreds of dikes can invade the cone and inner core of a volcano, often along zones of structural weakness. Left: An exposed dike, approximately five feet wide, at the caldera of Mauna Loa ...

WHAT HAPPENS BEFORE A VOLCANO ERUPTS? That lower limit was believed ... to build up enough in the system to trigger the next event (dike and/or eruption), geodetic modeling indicates that there ...

showing the structure of the volcano and the mobile south flank. The June 17 dike intruded into the East Rift Zone and triggered the slow-slip event, that most likely occurred on the decollement ...

The geology of Iceland never ceases to amaze, particularly with recent developments around the Sundhnúkur crater row. In an area known for its dynamic volcanic activity, new magma intrusion signals a ...

Magma moves through Hawaiian rift zones as dikes, which are tabular sheets of magma that move laterally and vertically ...