Assertion: molten rock magma | /r/CapableOf | rise toward the surface
Facets:
value: in april
type: TEMPORAL
value: beneath pinatubo
type: LOCATION
value: in march
type: TEMPORAL
value: from more than 20 miles
type: OTHER
Source sentences:
text: In March and April 1991, however, molten rock (magma) rising toward the surface from more than 20 miles (32 kilometers) beneath Pinatubo triggered small earthquakes and caused powerful steam explosions that blasted three craters on the north flank of the volcano.