Which of these two plates are best know for forming earthquakes and tsunami's?

The story behind the answer

At convergent plate boundaries involving oceanic crust, one plate subducts beneath another. Stress builds on the megathrust fault until it ruptures, producing some of the largest earthquakes on Earth. The sudden uplift or subsidence of the seafloor displaces huge amounts of water, launching tsunamis that can travel across oceans—like the 2004 Sumatra-Andaman and 2011 Tōhoku events.

In contrast, transform boundaries slide sideways (big quakes, usually small tsunamis) and divergent boundaries pull apart (generally smaller quakes). Memory tip: Converge = collide; oceanic crust dives, water rises—prime conditions for powerful quakes and tsunamis.