Is magma generated from the core of the earth?

No. Magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, in the mantle, which is the silicate shell beneath the crust with an average thickness of 1793 miles. read more

Magma is a mixture of molten and semi-molten rock found beneath the surface of the Earth. Magma is a mixture of molten and semi-molten rock found beneath the surface of the Earth. read more

Many volcanoes, such as those in the Pacific Ring of Fire, exist where tectonic plates meet, and the volcanoes are filled with magma generated by melting of the upper mantle. But so-called hot spot volcanoes, such as Hawaii's, are thought to be fed by plumes of hot rock rising from deeper within Earth. read more