Paper 2 · November 2019 · Natural Hazards
What is the primary cause of most tsunamis?
Ahigh tide meeting a flooding river mouth during a seasonal storm surge event.
Bsubmarine earthquakes that displace the sea floor.
Cheavy onshore rainfall combining with a full moon high tide along a low-lying coastline.
Dstrong surface winds blowing across the open ocean and piling up wind-driven waves near the shore.
Explanation
Most tsunamis are caused by submarine earthquakes that suddenly displace the sea floor, generating powerful waves.
Derived from ZIMSEC Geography 4022/2 Paper 2, November 2019, Q1