Fonualei is an uninhabited

volcanic island Geologically, a high island or volcanic island is an island of volcanic origin. The term can be used to distinguish such islands from low islands, which are formed from sedimentation or the uplifting of coral reefs (which have often formed ...

in the kingdom of

Tonga Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...

. It 70 km northwest of

Vavaʻu Vavau is an island group, consisting of one large island ( ʻUtu Vavaʻu) and 40 smaller ones, in Tonga. It is part of Vavaʻu District, which includes several other individual islands. According to tradition, the Maui god created both Tongata ...

and is part of the highly active

Kermadec-Tonga subduction zone The Kermadec-Tonga subduction zone is a convergent plate boundary that stretches from the North Island of New Zealand northward. The formation of the Kermadec and Tonga Plates started about 4–5 million years ago. Today, the eastern boundary ...

and its associated

volcanic arc A volcanic arc (also known as a magmatic arc) is a belt of volcanoes formed above a subducting oceanic tectonic plate, with the belt arranged in an arc shape as seen from above. Volcanic arcs typically parallel an oceanic trench, with the arc lo ...

, which extends from

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

north-northeast to

Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists ...

, and is formed by the subduction of the

Pacific Plate The Pacific Plate is an oceanic tectonic plate that lies beneath the Pacific Ocean. At , it is the largest tectonic plate. The plate first came into existence 190 million years ago, at the triple junction between the Farallon, Phoenix, and Iza ...

under the

Indo-Australian Plate The Indo-Australian Plate is a major tectonic plate that includes the continent of Australia and the surrounding ocean and extends northwest to include the Indian subcontinent and the adjacent waters. It was formed by the fusion of the Indian an ...

. The closest island to Fonualei is Tokū 19.7 km to the southeast.

Geography

The island is the peak of an active volcano which rises 1000m from the seafloor. It has a diameter of 2 km and a maximum height of 188m. The coast is surrounded by cliffs, with only two beaches suitable for a landing. The western, southern, and north-eastern sides have narrow

fringing reef A fringing reef is one of the three main types of coral reef. It is distinguished from the other main types, barrier reefs and atolls, in that it has either an entirely shallow backreef zone (lagoon) or none at all. If a fringing reef grows direc ...

History

In the 1830s the inhabitants of Tokū used Fonualei for their gardens. The first European to sight the island was

Don Don, don or DON and variants may refer to: Places *County Donegal, Ireland, Chapman code DON *Don (river), a river in European Russia *Don River (disambiguation), several other rivers with the name *Don, Benin, a town in Benin *Don, Dang, a vill ...

Francisco Mourelle de la Rua on the ''La Princesa'' on 26 February

1781 Events January–March * January – William Pitt the Younger, later Prime Minister of Great Britain, enters Parliament, aged 21. * January 1 – Industrial Revolution: The Iron Bridge opens across the River Severn in Eng ...

. He reported the island to be barren from eruptions, and called it for that reason ''Amargura'' (''Bitterness'' in Spanish). It was subsequently seen by La Pérouse on 27 December 1787, and by HMS ''

Pandora In Greek mythology, Pandora (Greek: , derived from , ''pān'', i.e. "all" and , ''dōron'', i.e. "gift", thus "the all-endowed", "all-gifted" or "all-giving") was the first human woman created by Hephaestus on the instructions of Zeus. As Hes ...

'' during its hunt for the ''

Bounty Bounty or bounties commonly refers to: * Bounty (reward), an amount of money or other reward offered by an organization for a specific task done with a person or thing Bounty or bounties may also refer to: Geography * Bounty, Saskatchewan, a g ...

'' mutineers, who named it "Gardner’s Island". A major eruption in 1846, starting 11 June, destroyed much of the vegetation of Vavaʻu and spread ash around for at least a year. Some sources claim that three other neighbouring volcanoes,

Late Late may refer to: * LATE, an acronym which could stand for: ** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia ** Local-authority trading enterprise, a New Zealand business law ** Local average treatment effect, ...

, Tokū and another, erupted at the same time. This is probably a mistake by passing ships who misidentified the erupting island. Another eruption was reported in July 1938. In the 1980s the island was leased for 30 years to the Chen family as part of a scheme to sell

Tongan passport The Tongan Passport is an international travel document that is issued to Tongan citizens. Visa requirements In 2017, Tongan citizens holding regular Tongan passports had visa-free or visa on arrival access to 111 countries and territories, ra ...

s to wealthy foreigners. In September 2022 scientists mapping marine life noted discolouration in the water near the island and emissions of sulphuric gases.

Ecology

The island has been designated an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding ...

. It is home to a large colony of

Sooty tern The sooty tern (''Onychoprion fuscatus'') is a seabird in the family Laridae. It is a bird of the tropical oceans, returning to land only to breed on islands throughout the equatorial zone. Taxonomy The sooty tern was described by Carl Linnaeu ...

s. Other birds found on the island include the

Tongan ground dove The Tongan ground dove (''Pampusana stairi''), also known as the shy ground dove or friendly ground dove, is a species of bird in the family Columbidae. It is found in American Samoa, Fiji, Samoa, Tonga and Wallis and Futuna Islands. Its natura ...

Pacific imperial pigeon The Pacific imperial pigeon (''Ducula pacifica'') is a widespread species of pigeon in the family Columbidae. It is found in American Samoa, the Cook Islands, the smaller islands of eastern Fiji, Kiribati, Niue, the smaller satellite islands of ...

Spotless crake The spotless crake (''Zapornia tabuensis'') is a species of bird in the rail family, Rallidae. It is widely distributed species occurring from the Philippines, New Guinea and Australia, across the southern Pacific Ocean to the Marquesas Islands a ...

Australasian swamphen The Australasian swamphen (''Porphyrio melanotus'') is a species of swamphen (''Porphyrio'') occurring in eastern Indonesia (the Moluccas, Aru and Kai Islands), Papua New Guinea, Australia and New Zealand. In New Zealand, it is known as the pu ...

Polynesian wattled honeyeater The Polynesian wattled honeyeater (''Foulehaio carunculatus'') or the eastern wattled honeyeater, is a species of bird in the honeyeater family Meliphagidae. It was considered conspecific with the Fiji wattled honeyeater and the kikau. The sp ...

, and

Polynesian starling The Polynesian starling (''Aplonis tabuensis'') is a species of starling of the family Sturnidae. It is found in the Samoan Islands, Fiji, Niue, Tonga, the Santa Cruz Islands and Wallis and Futuna. Its natural habitats are subtropical or tropica ...

. Sea- and shorebirds include the brown and red-footed Booby, the

great Great may refer to: Descriptions or measurements * Great, a relative measurement in physical space, see Size * Greatness, being divine, majestic, superior, majestic, or transcendent People * List of people known as "the Great" *Artel Great (born ...

and

Lesser frigatebird The lesser frigatebird (''Fregata ariel'') is a seabird of the frigatebird family Fregatidae. At around 75 cm (30 in) in length, it is the smallest species of frigatebird. It occurs over tropical and subtropical waters across the Indian ...

White tern The white tern or common white tern (''Gygis alba'') is a small seabird found across the tropical oceans of the world. It is sometimes known as the fairy tern, although this name is potentially confusing as it is also the common name of '' Sternu ...

Red-tailed tropicbird The red-tailed tropicbird (''Phaethon rubricauda'') is a seabird native to tropical parts of the Indian and Pacific Oceans. One of three closely related species of tropicbird (Phaethontidae), it was described by Pieter Boddaert in 1783. Superfic ...

, the black and brown Noddy, Pacific golden plover, and

Bristle-thighed curlew The bristle-thighed curlew (''Numenius tahitiensis'') is a medium-sized shorebird that breeds in Alaska and winters on tropical Pacific islands. It is known in Mangareva as ''kivi'' or ''kivikivi'' and in Rakahanga as ''kihi''; it is said to be ...

. The only land-based mammal is the

Insular flying fox The insular flying fox or Pacific flying fox (''Pteropus tonganus'') is a species of flying fox in the family Pteropodidae. It is geographically widespread, the most widespread flying fox in the Pacific: it is found in American Samoa, the Cook I ...

. The island is rat-free. In 1993 Fonualei was assessed as a potential habitat for the critically endangered

Tongan megapode The Tongan megapode (''Megapodius pritchardii'') is a species of bird in the megapode family, Megapodiidae, currently endemic to Tonga. The species is also known as the Polynesian megapode, and as the Niuafo'ou megapode after the island of Niua ...

. 70 eggs and 10 chicks were translocated. The introduction was successful, and in 2003 the population was estimated at 300 to 500 birds. In 2013 it was estimated at 600 to 1,000 adults.

References

* D. Gerstle; Gentle people, into the heart of Vavau 1781–1973; Tofua press 1973 {{Volcanoes in Tonga Active volcanoes Volcanoes of Tonga Islands of Tonga Uninhabited islands of Tonga Vavaʻu

Geography

History

Ecology

See also

References