where do tsunamis happen

Tsunamis can happen in all of the world’s oceans and even large inland seas, but they are most common around the Pacific “Ring of Fire.”

Key places tsunamis happen

• Pacific Ocean coasts : This is the main hotspot, with about 70–80% of tsunamis recorded here, especially near subduction zones such as Japan, Indonesia, Chile, Alaska, and the Aleutian Islands.

• Other ocean basins: Destructive tsunamis have also occurred in the Indian Ocean (for example, the 2004 Indian Ocean tsunami), the Atlantic, and semi-enclosed seas like the Mediterranean and the Sea of Marmara.

• Any large body of water: Tsunamis can technically be generated in large lakes and inland seas when there is a big underwater or coastal disturbance, though these events are less frequent and usually more local in effect.

Why these areas?

• Many tsunamis are triggered by large undersea earthquakes at subduction zones , where one tectonic plate is forced under another; these zones circle the Pacific Ocean, forming the Ring of Fire.

• Volcanic islands and underwater landslides can also generate tsunamis, so island chains with steep volcanic flanks (for example, parts of Hawaii or the Canary Islands) are watched carefully for this kind of risk.

What this means for coasts

• Almost any coastline can be affected if a large enough tsunami crosses the ocean, but the highest risk is on coasts close to active subduction zones, where waves arrive quickly and are strongest.

• Even distant coasts can suffer damage when a very large tsunami travels across an entire ocean basin, as seen when tsunamis from Chile and Japan affected shores thousands of kilometers away.

Information gathered from public forums or data available on the internet and portrayed here.