Which risk to coastal infrastructure increases when deep-sea earthquakes trigger underwater landslides near a subduction zone?

💡 Explanation

When a deep-sea earthquake triggers an underwater landslide near a subduction zone, the slide displaces large volumes of water, creating a tsunami; bathymetry features can focus tsunami energy, amplifying wave height locally on the nearby coast. Therefore wave amplification risk results, rather than hydrate release, erosion, or turbine instability, which require different initiating processes.

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