Assertion: volcano's magma | /r/HasProperty | erupted
Facets:
Source sentences:
text: Their differences are due mostly to the gas content of the magma that is erupted.
text: As more magma was erupted, the collapse progressed until the dust settled to reveal a volcanic depression, called a caldera, 5 miles (8 km) in diameter and one mile (1.6 km) deep.
text: Caldera collapse: As more magma was erupted, cracks opened up around the summit, which began to collapse.
text: One theory that has been suggested to explain the transition is that the magma in Stromboli's summit conduit occasionally forces open dikes on the NW flank, and is erupted as lava flows rather than through gas-driven explosions.