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Heard Island and McDonald Islands (HIMI) are uninhabited, barren islands located in the Southern Ocean at , about two-thirds of the way from Madagascar to Antarctica. They have been part of Australia since 1947, and contain the only two active volcanoes in Australian territory, one of which, Mawson Peak, is the highest Australian mountain. The group's size is 372 km² in area.

Geography


Heard Island (368 km²) is bleak and mountainous, covered in glaciers and dominated by Mawson Peak, a 2745 metre high volcano which forms part of the Big Ben massif. Heard Island is located at . Mawson Peak is the highest Australian mountain (527m higher than Mount Kosciuszko), and one of only 2 active volcanoes in Australian territory.

The other active volcano in Australian territory is on McDonald Island: after being dormant for 75,000 years, it erupted in 1992 and has erupted again several times since, its most recent eruption being on 10 August 2005.

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@jeromeaoustin I'd like to see Block Island. I have heard about it but never been there. I used to attend the Wooden Boat show in RI
JeromeShaw (Photo Travel Writer) Thu, 22 Oct 2009 02:24:05 -0000
@jeromeaoustin I'd like to see Block Island. I have heard about it but never been there. I used to attend the Wooden Boat show in RI
RT @_LJMB: @JessicaShops Where did you find the Malasadas? I heard they are hard 2find in Maui! TEX DRIVEIN Big Island. No ka oi(the best)
JessicaShops (Jessica Dauler) Thu, 22 Oct 2009 02:11:39 -0000
RT @_LJMB: @JessicaShops Where did you find the Malasadas? I heard they are hard 2find in Maui! TEX DRIVEIN Big Island. No ka oi(the best)
@TrynaLive Ashley? Long Island, isnt that boring, or so what I heard, never been.
JenTavarez (JTavarez) Thu, 22 Oct 2009 01:34:38 -0000
@TrynaLive Ashley? Long Island, isnt that boring, or so what I heard, never been.
@kmcaulley I've heard Staten and Long Island are $$$. I was even considering New Jersey. Do u know if that's $$$?
lisalee (Lisa Lee) Wed, 21 Oct 2009 23:40:21 -0000
@kmcaulley I've heard Staten and Long Island are $$$. I was even considering New Jersey. Do u know if that's $$$?
OH on the island by skaters: I was BOOKIN'! I haven't heard that in 20 years.
bilmoore (Bil Moore) Wed, 21 Oct 2009 22:15:26 -0000
OH on the island by skaters: I was BOOKIN'! I haven't heard that in 20 years.
@FrJosephM Mayan Island...never heard of it...sounds exotic! LOL
MairiRose (MairiRose) Wed, 21 Oct 2009 20:04:45 -0000
@FrJosephM Mayan Island...never heard of it...sounds exotic! LOL

 
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Heard Island - a Natural World Heritage Property - The UNESCO description of Heard Island. Includes information about the location, history, physical description, cultural heritage, and scientific research.

Heard Island - Southern Indian Ocean - General information about the location, discovery, geography, geology, climate, and culture of the island. Includes interactive map.
Meta Description: [ The history and geography of the heard Island, southern indian Ocean ]

404 Heard Island Expedition - Documents the 1997 Cordell Expedition to the island. Includes an overview, route map, basic information, detailed planning documents, and team biographies.

Heard Island Marine Reserve Management Plan - Details all aspects of this plan. Includes a PDF version of the report.

Volcanic Activity Reports - Features reports on volcanic episodes on Heard Island from the Smithsonian Institution's Global Volcanism Program. Includes information about seismic events, and some maps showings the features of the various islands.

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