Mountain Earthquake and Volcano

• Earthquake - A sudden and shaking of the ground, sometimes causing great destruction as a result of movements within the Earth's crust and Volcano action
• Volcano - A mountain or hill typically conical, having a crater or vent through which lava rock fragment, hot vapor and gas are being or have been erupted from the earth crust
• Magma - Hot fluid or semifluid material below or within the earth crust from which lava and other igneous rock formed on cooling
• Epicenter - The point on the earth surface vertically above the focus of an earthquake
• Ring of fire - A major area in the basin of the Pacific Ocean where many earthquakes and volcanic eruption occur