Mega-Tsunamis: Could They Happen Again? | Sleepy Geography Documentary

Описание: This documentary takes us on a quiet journey through the science, history, and geography of mega-tsunamis — the rare, extraordinary waves that have reshaped coastlines and marked some of the most dramatic moments in Earth’s natural past.

Told softly and at a slow, reflective pace, we explore how these waves form, what makes them different from ordinary tsunamis, and where they have appeared throughout geological time.

From landslide-driven waves in steep fjords, to volcanic island collapses in Hawaii and the Canary Islands, to ancient underwater landslides such as the Storegga Slide, each chapter uncovers a different mechanism behind these powerful events. We also look at modern cases, including the 1958 Lituya Bay wave and the 2022 Hunga Tonga–Hunga Ha‘apai eruption, to understand how sudden changes in the Earth’s surface can generate astonishing walls of water.

The video also examines how scientists detect, model, and study these phenomena — from seafloor mapping and sediment analysis to DART buoys and early-warning systems. Finally, we reflect on how climate change, melting glaciers, rising sea levels, and submarine slope instability may influence the risks of future events.

Designed to be relaxing and easy to follow, this is a calm exploration of one of the most powerful natural forces on our planet.

The Wandering Mind — calm learning for curious minds at rest.

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