Volcanism Collection

Gran Gratere, Vulcano Island, Aeolian Islands, Sicily, Italy

View of Aeolian Islands archipelago from Gran Cratere, Vulcano Island, Aeolian Islands, Sicily, Italy

Arenal volcano at sunset, La Fortuna, Alajuela Province, Costa Rica

Lake Natron in northern Tanzania is one of the most alkaline of the Rift system. As its waters evaporate in the intense heat, sodium sesquicarbonate, known as trona or natron

Lesser flamingos feed on Lake Natron
In the late afternoon, lesser flamingos feed on Lake Natron with Shompole volcano (situated on the border of Kenya and Tanzania) in the distance at the northern end of the lake

Kenya, Kabarnet, Lake Bogoria. Before the sun appears over the surrounding hills, flocks of lesser flamingo concentrate near the numerous hot springs at Lake Bogoria

The alkaline waters of Lake Bogoria are a favourite haunt of lesser flamingos. The barren shoreline is dotted with steam jets and geysers reflecting its volcanic origins

Mount Longonot, 9, 110 feet high, lies on the floor of the Great Rift Valley, thirty-five miles northwest of Nairobi. It is called after the apt Msai name for it: Ol doinyo Loonongot

An extensive network of huge caves and tunnels honeycombs the extinct volcano at Suswa. They were formed when lava continued to flow underground long after the exposed upper crust had cooled

An aerial view of South Island, Lake Turkanas largest island. Situated in the southern sector of the lake where the water reaches a depth of 374 feet

An aerial view of the caldera Sisale Kma
An aerial view of the caldera Sisale K ma, which is 3, 937 feet in diameter and 300, 000 years old. It is situated at the inlet of Ghoubbet el Kharab (the Devils Throat)

An aerial view of the volcanic cones at the inlet of Ghoubbet el Khar‰ b (the Devils Throat), a region of high seismic activity where deep fractures in the lava continue to widen year by year

Alcantara gorge, Castiglione di Sicilia, Sicily, Italy

Hot spring splashing at Strokkur against cloudy sky during sunset, Geysir, South Iceland, Iceland

Hot spring splashing at Strokkur during sunset, Geysir, South Iceland, Iceland

Fumarole with smoke at Namafjall Hverir geothermal area, Myvatnssveit, Northeast Iceland, Iceland

Poas volcano, Poas National Park, Costa Rica, Central America

Irazu volcano, Irazu Volcano National Park. Cartago Province, Costa Rica

Arenal volcano, La Fortuna, Alajuela Province, Costa Rica

Portugal, Azores archipelago, Sao Miguel island, Sete Cidades, Boca do Inferno viewpoint, view over Lagoa Santiago and Lagoa Azul crater lakes

Andrews volcano is one of the numerous volcanic craters dotting the volcanic ridge, known as The Barrier, that separated the Suguta Valley from Lake Turkana several million years ago

The lava barrier that separates the southern end of Lake Turkana from the Suguta Valley. South Island is in the distance while the extinct volcanic crater, Abil Agituk, is close to the lakeshore

An extinct volcanic crater, Abil Agituk, at the southern end of Lake Turkana has a distinctively green crater lake which is fed by underground seepage from the main lake

The inhospitable country at the southern end of Lake Turkana. The fresh-looking lava flows came from Telekis Volcano which last erupted about 130 years ago

The world famous Ngorongoro Crater. Its 102-square-mile crater floor is the haunt of a wonderful wildlife spectacle

Three Msai girls at Shimu la Mungu
Three Msai girls sit on the edge of Shimu la Mungu (a volcanic blow hole known as Gods hole ) with the extinct volcano, Kerimasi, in the distance

Ol doinyo Lengai, The Msais Mountain of God, is the only active volcano in the Gregory Rift - an important section of the eastern branch of Africas Great Rift Valley

Lake Natron in the Rift Valley
Lake Natron in northern Tanzania is one of the most alkaline of the Rift system. As its waters evaporate in the intense heat, sodium sesquicarbonate, known as trona or natron

View of Lake Atitlan and Atitlan volcano from the town of San Lucas. The Lake is Approx 15 sq Kms and parts of it reach 300meters deep

The view across Lake Atitlan from a pergola in the gardens of Hotel Atitlan, towards San Pedro Volcano

Paucarpata with Chachani behind

The striking turquoise waters of Laguna Verde with the perfect cone of Volcan Licancabur 5868 m rising above it. The distinctive green colour of the water is due to the high concentration of arsenic

Lake Mutanda is possibly the most beautiful lake of the Great Lakes region. It has an idyllic backdrop of five volcanoes of the Virunga chain, which straddle the Uganda-Rwanda border

Lava boulders cover vast tracts of infertile land on the eastern side of Lake Turkana. Often referred to as the Jade Sea due to its distinctive colour, Lake Turkana is a true desert lake

Largest of the caves on the massive extinct volcano of Mount Elgon is Kitum Cave. Elephants regularly visit this cave at night to eat salt

Inhospitable, semi-arid, thorn scrub country northwest of Lodwar, the administrative centre of the Turkana people. All the hills and mountains are of volcanic origin

Semi-arid, thorn scrub country, littered with lava debris, near Parkati. Being extremely hot and dry, the area is only used by the nomadic Turkana for grazing goats and camels

The extinct volcano at Chew Bet in southern Ethiopia has a dark, seasonal lake at the bottom of its deep, steep-sided crater. Borana tribesmen harvest salt there for their livestock

Ethiopia is a land of vast horizons and dramatic scenery. The weathered mountains in the Ethiopian Highlands exhibit layer upon layer of volcanic material

The volcanic island of Ounda Ginni Kma
The volcanic island of Ounda Ginni K ma (the small Hill of Devils) situated near Ghoubbet el Kharab (the Devils Throat), a region of high seismic activity where deep fractures in the lava continue to

After a rain shower, shrubs of the Pea family (Papilionoideae) give a splash of colour to the forbidding landscape near Ghoubbet el Kharab (the Devils Throat)

Fishing jetty on Lake Atitlan with volcanoes Toliman and Atitlan behind

Mountain biking in the Atacama Desert against a backdrop of the perfect cone of Volcan Licancabur 5916 m

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