The 5 Oceans of the World: Earth’s Vast Marine Ecosystems

Oceans are massive bodies of saltwater that cover around 70.8% of the Earth’s surface, containing nearly 97% of the planet’s water. There are five major oceans on Earth, with the Pacific Ocean being the largest and deepest among them. These play a crucial role in regulating the global climate, supporting marine biodiversity, and facilitating international trade.

The 5 Oceans

The Pacific ocean is largest and deepest among all five oceans.

1. Pacific Ocean
2. Atlantic Ocean
3. Indian Ocean
4. Antarctic Ocean
5. Arctic Ocean

Quick facts about Oceans

• Total Area: 361,900,000 KM²
• Total Volume: 1,335,000,000 KM³
• Total coastline: 377,412 KM
• Average Depth: 3688
• Average Temperature: 4 °C (39 °F)
• Min Temperature: −2 °C (28 °F) 
• Maximum Temperature: 20 °C (68 °F)
• Maximum Depth: 11.034 km (Challenger deep)

Pacific Ocean

• Location: Between Antarctica and Indian
• Area: 168,723,000KM² (46.6%)
• Volume: 669,880,000KM³(50.1%)
• Average Depth: 3,970 Mtr.
• Coastline length: 135,663KM (35.9%)

Atlantic Ocean

• Location: Between Europe, America and Africa
• Area: 85,133,000KM²(23.5%)
• Volume: 310,410,900KM³(23.3%)
• Average Depth: 3,646 Mtr.
• Coastline length: 111,866KM(29.6%)

Indian Ocean

• Location: Between Asia, Africa and Australia
• Area : 70,560,000 KM²(19.5%)
• Volume: 264,000,000 KM³(19.8%)
• Average Depth: 3,741 Mtr.
• Coastline length: 66,526 KM (17.6%)

Antarctic Ocean

• Location: Between Antarctica and  Pacific, Atlantic and Indian oceans
• Area: 21,960,000KM²(6.1%)
• Volume: 71,800,000KM³(5.4%)
• Average Depth: 3,270 Mtr.
• Coastline length: 17,968KM(4.8%)

Arctic Ocean

• Location: Between North America and North Europe and Asia
• Area: 15,558,000KM²(4.3%)
• Volume: 18,750,000KM³(1.4%)
• Average Depth: 1,205 Mtr.
• Coastline length: 45,389KM (12.0%)

Read also: 7 Continents of the World: Names, Area, Population & Facts