Volcanoes and Earthquakes

What’s inside

• At which type of plate boundary do plates move apart and new oceanic crust form?
• What is the main difference between earthquake magnitude and intensity?
• Which characteristic is most typical of a stratovolcano?
• Which earthquake-related process most directly generates a tsunami?
• At a [____] boundary, tectonic plates move away from each other and magma commonly rises into the gap.
• The [____] scale is widely used by seismologists to compare earthquake size through the energy released at the source.
• Magma with a high [____] content is generally more viscous and more likely to produce explosive eruptions.
• The [____] is the point on Earth's surface directly above an earthquake's focus.