The Pacific Ring of Fire

Almost two-thirds of the world's volcanoes are found in the coastline surrounding the Pacific ocean, popularly known as the '______' (strings of volcanoes and site of earthquake activity around the Pacific Ocean is because of subduction of oceanic plates beneath lighter continental plates).

The world distribution of earthquake prone zones coincides with that of the ______.

The region of greatest seismicity falls in the ______.

The rest of seismic as well as volcanic activity is recorded in the ______, comprising Alpine mountains, Mediterranean Sea, Africa and the Himalayas, and Mid-Atlantic ridge and its adjoining islands.

The ______ is a zone of moderate earthquakes caused due to divergent lithospheric plates. We mostly find dormant and extinct volcanoes in this region.