Tonga: Island Nation in the South Pacific

Context

A powerful magnitude 7.6 earthquake recently struck near Tonga, drawing attention to its geographical location and vulnerability to seismic activity.

Q1. Where is Tonga located and what is its basic geography?

1. Tonga is a sovereign island country in Polynesia (South Pacific Ocean).
2. It consists of 169 islands forming an archipelago.
3. Neighbouring regions: Fiji (West), Samoa (North) and Cook Islands (East).

Q2. How are the islands of Tonga divided?

1. The islands are grouped into three main parts:
   1. Tongatapu (South) → Largest and most important island
   2. Haʻapai (Central group)
   3. Vavaʻu (North)
2.  These divisions help in administration and geography.

Q3. What is the nature of its islands (volcanic vs coral)?

1. Western islands: Formed by volcanic activity
2. Eastern islands: Made of coral limestone and sand
3. This mix makes Tonga geologically unique and seismically active.

Q4. What are the key geographical features of Tonga?

1. Terrain: Mostly flat islands composed of limestone and coral formations.
2. Geological structure:
   1. 1. Some islands → uplifted coral
      2. Others → limestone over volcanic rock
3. Highest point: Kao Island (in Haʻapai group)

Q5. What is the capital of Tonga?

1. Capital city: Nukuʻalofa
2. Located on: Tongatapu Island (northern coast)

Q6. What are Tonga’s global environmental commitments?

1. Member of:
   1. Commonwealth Clean Ocean Alliance
   2. Marine Protected Areas Action Group
2. Shows focus on ocean conservation and marine protection.

Conclusion

Tonga is a geographically diverse island nation with both volcanic and coral formations, making it prone to earthquakes and natural hazards, while also playing an active role in global ocean conservation efforts.