Geology Under the Sea
Explore mountains, trenches, volcanoes, and other aspects of the incredible geology of the seafloor.
Geology Under the Sea sticker

Learn about the Ring of Fire, hotspot volcanoes, and seamounts.

Learn about subduction zones (ocean trenches) and earthquakes.

Learn about seafloor spreading.

Learn about subduction zones and mud volcanoes.

Learn how ocean spreading centers create a variety of geologic features.

What is plate tectonics? What is seafloor spreading?
Find out the answers in the:
Geology Under the Sea-Drill Down sheet

JOIDES Resolution at sea
Many of the JOIDES Resolution expeditions explore the geology of the seafloor.
JOIDES Resolution