What Are Two Main Causes of Tsunami

question 11

Multiple Choice

What are two main causes of tsunami?

• A) volcano flank collapse and sudden degassing of the mantle from a mid-oceanic ridge
• B) sudden changes in ocean-floor lithosphere velocity and major rockfall into the ocean
• C) asteroid impact into the ocean and collapse of a mid-oceanic ridge
• D) subduction-zone earthquakes and transform-fault earthquakes
• E) subduction-zone earthquakes and landslide into the ocean

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