Heard & Mcdonald Islands

The Heard and McDonald Islands are remote sub-Antarctic volcanic islands in the southern Indian Ocean, southwest of Australia and north of Antarctica.

Heard & Mcdonald Islands

Heard & Mcdonald Islands Latest News

The US President imposed a 10% tariff on imports from the Heard and McDonald Islands, despite the islands having no known exports to the US.

About Heard and McDonald Islands

  • The Heard and McDonald Islands are a remote sub-Antarctic volcanic island group located in the southern Indian Ocean, about 4,100 km southwest of Perth (Australia) and 1,600 km north of Antarctica.
  • They are one of Australia’s seven external territories and are governed directly by the Australian government.
  • The islands are volcanic in origin, with the Big Ben volcano on Heard Island reaching 2,745 meters (Mawson Peak), making it Australia’s highest mountain outside mainland and Tasmania.
  • McDonald Island is much smaller but has shown recent volcanic activity, with eruptions in the late 1990s and 2000s doubling its size.
  • They are the only volcanically active sub-Antarctic islands, making them a natural laboratory for studying earth’s crustal processes, oceanic and atmospheric warming, and glacial dynamics.
  • The islands are part of a UNESCO World Heritage Site (since 1997) due to their pristine sub-Antarctic ecosystem, managed as a strict nature reserve (IUCN Category Ia).
  • They support large populations of marine birds and mammals, including penguins, elephant seals, and seabirds.
  • Importantly, the islands are free of invasive species, making them ideal for biodiversity and evolutionary studies.

Heard & Mcdonald Islands FAQs

Q1. Where are the Heard and McDonald Islands located?
Ans. These islands are located in the southern Indian Ocean, around 4,000 km southwest of Australia and are Australian external territories.

Q2. Why are Heard and McDonald Islands significant?
Ans. They are among the most remote and uninhabited volcanic islands in the world, with active volcanic activity on Big Ben (Heard Island’s volcano).

Q3. Are the Heard and McDonald Islands inhabited?
Ans. No, these islands are completely uninhabited, except for occasional research missions.

Q4. What is the environmental significance of these islands?
Ans. They are a UNESCO World Heritage Site, home to rare wildlife like penguins, seals, and seabirds, and have pristine ecosystems.

Source: IE

Latest UPSC Exam 2025 Updates

Last updated on June, 2025

UPSC Notification 2025 was released on 22nd January 2025.

UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.

UPSC Prelims Question Paper 2025 and Unofficial Prelims Answer Key 2025  are available now.

UPSC Calendar 2026 is released on 15th May, 2025.

→ The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.

UPSC Mains 2025 will be conducted on 22nd August 2025.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

→ Also check Best IAS Coaching in Delhi

Vajiram Editor
Vajiram Editor
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Prelims Test Series
UPSC Prelims Test Series
₹6000
Enroll Now
UPSC Mains Test Series
UPSC Mains Test Series
₹16000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
Enquire Now