Lava that flows far forms shield volcanoes; this island is made up of 5 of them, including Mauna Kea
They are ... Of these four forms shield volcanoes erupt the least viscous lavas: 
where... [DOC] [TLE] Volcanic Landforms, Volcanoes and Plate Tectonics [PAR] Sep 28, 2016 ... Shield volcanoes are composed almost entirely of relatively thin lava ... Shield 
volcanoes thus form by relatively non-explosive eruptions of ...