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 ...

A massive stone monolith has been found protruding from the Pacific Ocean seafloor like a giant finger, according to NOAA Ocean Exploration. The pillar is 49 feet high, 36 feet long and 13 feet wide, ...

The linear pattern of subsidence seen in InSAR images is apparent after nearly all dike intrusions at Hawaiian volcanoes. For example, subsidence occurred for a few years above the so-called ...