Best Answer: A dormant volcano no longer erupts regularly but has lava in the batholith and is capable of erupting. An extinct volcano contains no magma and the batholith has hardened. It cannot erupt. Dormant Volcano. 1)A dormant volcano is a volcano which is not currently erupting, but is believed to still be capable of erupting. 2)An EXTINCT volcano is one that has NOT erupted during the last several thousand years. Kohala volcano, Hawaii, is an extinct volcano Here are two types of volcanoes that are not presently erupting.