Complete the defining features matrix by checking the box of the feature used to identify the boundary. Select all that apply for an ocean-ocean plate boundary.
- High heat flow
- Youngest seafloor age
- Shallow earthquakes (0-30 km deep)
- Moderate depth earthquakes (30-300 km deep)
- Deep earthquakes (300+ km deep)
- Earthquakes get deeper in one direction
- There is a trench
- Seafloor get shallower
- There are high mountains
- There are volcanoes on land
- There is an island arc of volcanoes
- Plates move apart
- Plates move together
- Plates slide past one another
- Shallow earthquakes (0-30 km deep)
- Moderate depth earthquakes (30-300 km deep)
- Deep earthquakes (300+ km deep)
- Earthquakes get deeper in one direction
- There is a trench
- There is an island arc of volcanoes
- Plates move together
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