9: Earth’s Interior Last updated Save as PDF Page ID 7695 Steven Earle Vancover Island University via BCCampus 9.1: Understanding Earth Through Seismology 9.2: The Temperature of Earth’s Interior 9.3: Earth’s Magnetic Field 9.4: Isostasy 9.5: Summary Thumbnail: Diagram of the Earth. (CC-SA-BY 3.0; Kelvinsong).