6: Tectonic Forces Last updated Save as PDF Page ID12752 6.10: Magma Composition6.11: Predicting Volcanic Eruptions6.12: Types of Volcanoes6.13: Volcanic Landforms and Geothermal Activity6.14: Hazards and Benefits of Volcanic Activity6.1: Introduction to Tectonic Forces6.2: Causes and Types of Tectonic Stress6.3: Geologic Structures6.4: Causes of Earthquakes6.5: Earthquake Zones6.6: Seismic Waves6.7: Annual Earthquakes6.8: Earthquake Prediction6.9: Where Volcanoes Are Located