Question

Pacific ring of fire is most seismically and volcanically active. Why?

Answer 1

Pacific Ring Of Fire is most seismically and volcanically active because it is the zone where maximum Volcanoes and Earthquakes occur. Ut's believed that 66% of all volcanoes occur in the pacific ring of fire (THE CIRCUM PACIFIC BELT)

Answer 2

Answer:

(a) the pacific ring of fire is a major area in the basin of the pacific ocean where many earthquakes and volcanic eruptions occur. in a large 40,000 km (25,000 mi) horseshoe shape.

(b) about 90% of the world’s earthquakes and 81% of the world’s largest earthquakes occur along the Ring of Fire. All but three of the world’s 25 largest volcanic eruptions of the last  11,700 years occurred at volcanoes in the Ring of Fire.

(c) The Ring of Fire is a direct result of plate tectonics: the movement and collisions of lithospheric plates, especially subduction in the northern portion.

(d) The southern portion is more complex, with a number of smaller tectonic plates in collision with the Pacific plate from the Mariana Islands, the Philippines, Bougainville, Tonga, and New Zealand.