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Largelandslides, such as those involving partialcollapseof steep-sided islands, have triggered tsunamis of regional or global extent. This occurs when massive volumes of material enter the water and displace it, generating powerful waves that can travel long distances.Landslides androckfallsare capable of producing local tsunamis. When a smaller volume of material enters the water, it can still generate waves, although they may be more localized in comparison to those created by large landslides. Landslides can triggertsunamisby rapidly displacing a mass ofocean water. As a large mass of rock or sediment collapses into the water, it displaces the surrounding water, creating waves that can propagate outwards and cause a tsunami.In summary,landslideshave the potential to trigger tsunamis on both local and global scales. This occurs when a significant amount of material, such as rock or sediment, enters the water and rapidly displaces it, generating waves that can travel far and wide.Learn more aboutlandslideshere:brainly.com/question/13138446#SPJ11...