Pinterest • The world’s catalogue of ideas

The Ring of Fire contains over 450 volcanoes and is home to approximately 75% of the world's active volcanoes; as well, nearly 90% of the world's earthquakes occur in this area.

séisme 7.9 - 13/11/16 - 93 séismes supérieur à mag. 4 en 24h. Moyenne de 12/24h en temps normal

Earthquakes and the World Surface Puzzles

The Ring of Fire contains over 450 volcanoes and is home to approximately 75% of the world's active volcanoes; as well, nearly 90% of the world's earthquakes occur in this area.

48
3

Atlantic Ocean Floor Map. Groundbreaking map of the ocean floor created by technician Marie Tharp and Professor Bruce Heezen, image via The Earth Institute, Columbia University. Together, Marie and Bruce rewrote 20th century geophysics by creating the first systematic, comprehensive map of the entire ocean floor. This paved the way for general acceptance of the theories of continental drift and plate tectonics.

308
46