- ... that the World Digital Magnetic Anomaly Map depicts features such as the Richat Structure, Atlantic ridge, Paris Basin and Chicxulub crater (pictured)?
- ... that as rocks are compressed, sinking down into an oceanic trench, they release water that causes volcanoes to form above?
- ... that the North geomagnetic pole is not the same as the magnetic North Pole, and that a compass points at neither?
- ... that Suiyo Seamount, a seamount near Japan, was thought to be extinct until a hydrothermal event in 1991 was brought to light?
- ... that Karl Bernhard Zoeppritz was a German geophysicist whose equations use seismic waves to map underground features?