geology

Mount Fuji is an active stratovolcano on Honshu, Japan. Its classic cone formed by renewed eruptions over the past 100,000 years, with the modern summit shape largely establishe...

Rodinia began to break up around 750 to 700 million years ago during the Neoproterozoic era. This breakup disassembled a former supercontinent that had assembled about 1.1 to 0....

The phrase rolling stones commonly refers to rounded pebbles and cobbles that rivers, glaciers, or waves have shaped by abrasion. These stones travel downstream or along coasts,...

Will Mauna Loa erupt again? Yes—Mauna Loa will erupt again, because it is an active shield volcano that has erupted 33 times since well-recorded observations began in 1843. Th...

Yes, there have been earthquakes in Florida, but they are generally small and uncommon compared to more seismically active regions. The state has recorded low‑magnitude events...

As of the most recent official reports, Soufrière St Vincent is in a state of elevated unrest, with ongoing seismicity, deformation, and gas measurements guiding aviation and l...

Peru lies above the destructive boundary where the Nazca Plate subducts beneath the South American Plate. This plate interface builds stress that is periodically released as ear...

The largest diamond ever discovered in Arkansas is the Uncle Sam diamond, found in 1924 at what is now Crater of Diamonds State Park. It weighed 40.23 carats in the rough and wa...

Fumaroles are vents at the ground surface that release steam and volcanic gases; on Mt Hood they signal ongoing heat flow from a cooling magma body beneath the volcano. Understa...

A lake with a hole typically describes a surface water body that shows a distinct opening or conduit allowing water to leave, often mistaken for a dramatic crater or shaft. Thes...