Questions and Answers
Wadati-Benioff zone earthquakes develop beneath ____________ and continental margins above active subduction zones.
volcanic island arcs
Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and ____________ above active subduction zones.
continental margins
Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins ____________.
above active subduction zones
Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by ____________ or slip on faults within the downgoing plate.
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Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by slip along the subduction thrust fault or ____________.
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Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by slip along the subduction thrust fault or slip on faults within the downgoing plate, as a result of ____________.
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Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by slip along the subduction thrust fault or slip on faults within the downgoing plate, as a result of bending and extension as the plate is ____________.
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Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by ____________ along the subduction thrust fault.
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Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by slip along the ____________ or slip on faults within the downgoing plate.
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Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by slip along the subduction thrust fault or slip on ____________ within the downgoing plate.
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Wadati-Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. They can be produced by slip along the subduction thrust fault or slip on faults within the ____________.
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Study Notes
Wadati-Benioff Zones
- Characterized by earthquakes occurring beneath volcanic island arcs and continental margins, linked to active subduction zones.
- Earthquakes can result from:
- Slip along the subduction thrust fault.
- Slip on faults within the downgoing plate due to geological stresses.
Geographical Context
- Volcanic island arcs are regions where these earthquakes are commonly generated.
- Continental margins also serve as significant locations for these seismic activities.
Mechanisms of Earthquake Generation
- Earthquakes in Wadati-Benioff zones are produced through:
- Slip along the subduction thrust fault
- Slip on faults within the downgoing plate
- Geological processes involved include:
- Bending and extension of the plate as it’s subjected to the forces of subduction.
Geological Processes
- Bending occurs as the plate meets resistance while being subducted.
- Extension refers to the stretching of materials in the earth as stress accumulates.
Downgoing Plate
- Refers to the tectonic plate that is forced beneath another plate in a subduction zone.
- The interaction between the downgoing plate and the overriding plate contributes significantly to seismic activity.
Importance of Understanding
- Studying Wadati-Benioff zones is crucial for predicting seismic hazards in areas with active subduction zones, helping mitigate risks associated with earthquakes.
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Description
Test your knowledge of Wadati-Benioff zones with these flashcards. This quiz covers key terms and definitions related to earthquakes beneath volcanic island arcs and subduction zones. Perfect for geology students looking to reinforce their understanding of seismic activity.
