Researchers at the University of Miami Rosenstiel School of Marine and Atmospheric Science have discovered a large magma chamber below the world’s most active volcano—Kilauea. The team analyzed seismic waves to find the chamber. Then they used seismic data to develop a 3D velocity model of a magma anomaly to determine the size, composition and depth of the chamber, which sits about 5 to 6.8 miles below the surface. The chamber is composed of 10% magma and 90% rock. This is the first geophysical observation that large magma chambers exits in the deep oceanic crust below and understanding these magma bodies will help us better understand where future lava eruption will come from.