Pacific Ocean FAQs:


Q: Is a Pacific Ocean the largest and deepest of Earth's oceanic divisions?

A: Yes.

Q: Is a Pacific Ocean currently shrinking by roughly 2.5 cm per year on three sides?

A: Yes, and roughly averaging 0.52 km2 a year.

Q: Was a Pacific Ocean made by the Portuguese expeditions of António de Abreu and Francisco Serrão?

A: Yes, and via the Lesser Sunda Islands, to the Maluku Islands, in 1512, and with Jorge Álvares's expedition to southern China in 1513, both ordered by Afonso de Albuquerque from Malacca.

Q: Was a Pacific Ocean born 750 million years ago at the breakup of Rodinia?

A: Yes, although it is generally called the Panthalassic Ocean until the breakup of Pangea, about 200 million years ago.

Q: Is a Pacific Ocean the only ocean which is almost totally bounded by subduction zones?

A: Yes.

Q: Is a Pacific Ocean of four basic types: continental islands?

A: Yes, and high islands, coral reefs and uplifted coral platforms.