Geothermal Areas
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Kilimanjaro with its three volcanic cones, "Kibo", "Mawenzi", and "Shira", is a dormant volcano in Tanzania. It is the highest mountain in Africa, about 4,900 metres (16,100 ft) from its base, and 5,895 metres (19,341 ft) above sea level. The mountain is part of the Kilimanjaro National Park and is a major climbing destination. The mountain has been the subject of many scientific studies because of its shrinking glaciers and disappearing ice fields. Mawenzi and Shira are extinct, while Kibo is dormant and could erupt again. Uhuru Peak is the highest summit on Kibo's crater rim.
Both Mawenzi and Kibo began erupting about 1 million years ago. They are separated by the "Saddle Plateau" at 4,400 metres.
Kibo is the largest cone and is more than 15 miles (24 km) wide at the "Saddle Plateau" altitude. The last activity here has been dated to between 150,000 and 200,000 years ago and created the current Kibo summit crater. Kibo still has gas-emitting fumaroles in the crater. Kibo is capped by an almost symmetrical cone with escarpments rising 180 metres (590 ft) to 200 metres (660 ft) on the south side. These escarpments define a 2.5-kilometre-wide (1.6 mi) caldera caused by the collapse of the summit. Within this caldera is the Inner Cone and within the crater of the Inner Cone is the Reusch Crater, which the Tanganyika government in 1954 named after Gustav Otto Richard Reusch upon his climbing the mountain for the 25th time (out of 65 attempts during his lifetime). The Ash Pit, 350 metres (1,150 ft) deep, lies within the Reusch Crater. About 100,000 years ago, part of Kibo's crater rim collapsed, creating the area known as the Western Breach and the Great Barranco.
en.wikipedia.org/wiki/Mount_Kilimanjaro
en.wikipedia.org/wiki/Povoa%C3%A7%C3%A3o,_Azores
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Hverir, located south of the Krafla area, a geothermal area with boiling mudpools and steaming fumaroles.
Hverir, located south of the Krafla area, a geothermal area with boiling mudpools and steaming fumaroles.
Tucked high in the Andes, in the far southwestern reaches of Bolivia, is the country's most visited national park, with at least 25,000 tourists visiting annually.
The mountains of Eduardo Avaroa are the highest Andes Mountains on Bolivia's border with Chile and Argentina. They are dotted with erupting volcanoes, hot springs, steaming geysers and fumaroles.
Photo is taken close to Chilean border, at altitude 4500m.
Bolivia, Siloli Desert
Please don't use my images without my permission. All images © Aivar Mikko
Yellowstone Lake
Yellowstone National Park
Wyoming
Hope your week is off to a great start. Thanks, as always, for stopping by and for your kind comments, awards and faves -- I appreciate them all.
© Melissa Post 2021
Tucked high in the Andes, in the far southwestern reaches of Bolivia, is the country's most visited national park, with at least 25,000 tourists visiting annually.
The mountains of Eduardo Avaroa are the highest Andes Mountains on Bolivia's border with Chile and Argentina. They are dotted with erupting volcanoes, hot springs, steaming geysers and fumaroles.
Photo is taken close to Chilean border, at altitude 4500m.
The Tayka desert hotel may be one of the most remote hotels in existence. There is literally nothing anywhere within many miles of this place. Solar panel energy.
Bolivia, Siloli Desert
Please don't use my images without my permission. All images © Aivar Mikko
Active volcano Bromo - one of the most popular volcanoes in Indonesia. The crater Bromo is much easier to look, than other craters of volcanoes. Together with other calmer volcanoes fumed Bromo is a spectacular sight from the lookout on Mount Penandzhakan.
Bromo is an active volcano in Indonesia, part of the Tenger volcanic complex. Located in the east of Java. It has a height of 2392 meters. Bromo Volcano is a part of the Bromo-Tengger-Semeru National Park. The volcano has been in a state of constant activity for the last 20 years, its crater is filled with smoke from active fumaroles.
Valles Caldera National Preserve, New Mexico
New Mexico has its own (downsized) version of Yellowstone National Park. Valles Caldera is a 14-mile wide volcanic caldera with sweeping valleys, roaming wild elk herds, bald eagles, and rustic ruins from historic ranches, as seen here at the Horse Barn (dating to late 19th Century). Like Yellowstone, the Preserve has hot springs, fumaroles and volcanic domes (though there are no famous geysers such as those at Yellowstone). Spruce, Douglas-fir and Ponderosa pine populate the higher ground that surrounds the sweeping grassland valleys of the park. The elk keep trees from growing in the lowlands as they graze in large herds.
The weather did not cooperate with my photography the two days that I was in northern New Mexico, and such as seen here, every location was under a dense overcast. While this eliminated any chance I had of photographing the eagles in their nests, it did lend a certain heavy and interesting atmosphere for these historic locations.
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One of the many fascinating sites in Iceland that we toured last September! Our guide mentioned the numerous flies that we would encounter, but we didn’t know that there would be quite so many of the relentless little pests! However, even the flies and smell of sulphur couldn’t diminish the strange beauty of the area.
“The Námafjall Geothermal Area is located in Northeast Iceland, on the east side of Lake Mývatn.
At this area, also known as Hverir, you will see many smoking fumaroles and boiling mud pots, surrounded by sulphur crystals of many different colours. This sulphur gives the area an overwhelming smell of egg.
The soil in the area has little vegetation due to the acidity caused by these geothermal processes.”
Created for the Magnificent Manipulated Masterpieces
Hverir, located south of the Krafla area, a geothermal area with boiling mudpools and steaming fumaroles, exhibiting sulfur deposits everywhere.
The volcanic activity at Geyser Sol de Mañana is intense, with fumaroles and bubbling cauldrons.
We are at the highest point of our trip, at 4950 m (16240ft) altitude, just that! The breeze is icy, but the view, once again is awesome !
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Les chaudrons du toit du monde
L'activité volcanique à Geyser Sol de Mañana est intense, avec des fumerolles et des chaudrons bouillonnant.
On est au point culminant de notre voyage, à 4950 m d'altitude, rien que cela ! La bise est glaciale, mais le spectacle une fois de plus est grandiose !
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Geyser Sol de Mañana- Désert Sud Lipez - Bolivie / Geyser Sol de Mañana - Southern Lipez desert - Bolivia
lake and surrounding hills in the Myvatn area of the Central-North Highlands of Iceland showing a high level of geothermal activity with steam coming out of every existing crevasse whilst fumaroles and sulfur fumes are to be seen nearby in this active volcanc area. The lake, like many in Iceland, has an intensely blueish-turquoise colour which defies belief. Please note that snow-covered mountain hiding behind the steam ;)
Yellowstone National Park is a nearly 3,500-sq.-mile wilderness recreation area atop a volcanic hot spot. Yellowstone National Park is so large that is covers three states, Wyoming, Idaho, and Montana, 96% in Wyoming. It is a live volcano - geysers, fumaroles (steam vents), hot springs, mudpots... Witnessing the volcanic power in a geyser, and its energy in hot springs is amazing. One of the biggest challenges in visiting Yellowstone is finding a close place to stay. It's a big park, just driving along the park is 4 hours. You can either stay inside it (lodge which can be expensive and booked way in advance); or you have to drive quite a while to even hit any park attractions. The photo was taken at Grand Prismatic Spring. The vivid colors in the spring are the result of microbial mats around the edges of the mineral-rich water. The center of the pool is sterile due to extreme heat. Because there's very little living in the center of the pool, the water looks extremely clear, and has a beautiful, deep-blue color. As the water spreads out and cools, it creates concentric circles of varying temperatures. Each ring creates a very different environment inhabited by different types of bacteria. And it's the different types of bacteria that give the spring its prismatic colors.
Activité volcanique à Geysir, sud de l' Islande.
(Volcanic activity in Geysir, South of Iceland).
A voir en grand, better in large, click L or Z
Yellowstone National Park Wyoming
Did you know that Yellowstone National Park is actually an active supervolcano? As you walk around the park you may think: “I don’t see any volcanos?!” That’s because much of the entire park is a volcano – and the bubbling geysers and hot springs are an indication of the churning activity below the surface.
Yellowstone Supervolcano
The term “supervolcano” implies an eruption of magnitude 8 on the Volcano Explosivity Index, indicating an eruption of more than 1,000 cubic kilometers (250 cubic miles) of magma. Yellowstone has had at least three such eruptions: The three eruptions, 2.1 million years ago, 1.2 million years ago and 640,000 years ago, were about 6,000, 700 and 2,500 times larger than the May 18, 1980 eruption of Mt. St. Helens in Washington State.
The last time the Yellowstone supervolcano erupted was 640,000+ years ago. The Yellowstone eruption area collapsed upon itself, creating a sunken giant crater or caldera 1,500 square miles in area. The magmatic heat powering that eruption (and two others, dating back 2.1 million years) still powers the park’s famous geysers, hot springs, fumaroles, and mud pots.Should this supervolcano erupt again the end result would likely be catastrophic to much of the United States and the world.
Geothermal activity can be seen everywhere within the Myvatn area of North-Central Iceland like here in this lake where hot steam comes out highly pressurised. The noise is unbelievable and the smell of sulphur hangs thickly over the scene.
Poás volcano is a powerful symbol of the geothermal forces that formed Costa Rica. When the mist and clouds part you’ll see the sulfuric, bubbling, green rain fed lake at the bottom, surrounded by smoke and steam rising from fumaroles. The crater is 320 meters deep. At almost 1.6 km across it’s also the largest active crater in the world.
Water from the lake is constantly seeping through cracks in the hot rock, evaporating and building pockets of steam. When the pressure in these pockets exceeds the weight of the water above, the steam breaks through in geysers that rocket up to 250 meters high.
Poás is active, but the most recent period of violent eruptive activity ended in 1954. The last major activity was in 1910 when nearly a million tons of ash was ejected along with an immense column of smoke and steam.
The volcano provides an excellent if extreme example of the effects of acid rain. Around the caldera, and for several miles downwind, the vegetation is stunted brown and black by the tainted moisture that precipitates from the omnipresent clouds near the peak.
Poás is above the frost line, and temperatures below freezing are possible. Nearly constant winds and saturating humidity contribute to biting cold at the rim. (www.Costa-Rica-guide.com)
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An awesome experience to be looking out at this active volcano. We could smell the sulfur in the air and see the level of destruction caused by the eruptions.
#117 in Earth Day Explore, April 26, 2023.
Costa Rica. February 2009.
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On the edge of the crater, Mt. Vesuvius. On the far right you can see some fumaroles.
Submitted: 18/11/2021
Accepted: 19/11/2021
Located between two glaciers, Langjökull and Hofsjökull, Hveravellir is accessible by the Kjalvegur trail but only from June to October depending on the weather. This site is particularly known for the hot springs and steam that compose it.
On site, the site is laid out by wooden walkways which outline the route and allow visitors to avoid walking in the mud and damaging the very fragile soil of the site. There are in particular small geysers, fumaroles and others. hot springs in crystal blue.
Hveravellir is also particularly renowned for its unique natural geothermal pool large enough to accommodate about twenty people
Norris Geyser Basin, Yellowstone National Park. Processd with Lightroom, Photoshop and Topaz Filters.
Yellowstone National Park Wyoming
Did you know that Yellowstone National Park is actually an active supervolcano? As you walk around the park you may think: “I don’t see any volcanos?!” That’s because much of the entire park is a volcano – and the bubbling geysers and hot springs are an indication of the churning activity below the surface.
Yellowstone Supervolcano
The term “supervolcano” implies an eruption of magnitude 8 on the Volcano Explosivity Index, indicating an eruption of more than 1,000 cubic kilometers (250 cubic miles) of magma. Yellowstone has had at least three such eruptions: The three eruptions, 2.1 million years ago, 1.2 million years ago and 640,000 years ago, were about 6,000, 700 and 2,500 times larger than the May 18, 1980 eruption of Mt. St. Helens in Washington State.
The last time the Yellowstone supervolcano erupted was 640,000+ years ago. The Yellowstone eruption area collapsed upon itself, creating a sunken giant crater or caldera 1,500 square miles in area. The magmatic heat powering that eruption (and two others, dating back 2.1 million years) still powers the park’s famous geysers, hot springs, fumaroles, and mud pots.Should this supervolcano erupt again the end result would likely be catastrophic to much of the United States and the world.
Main Terrace, Mammoth Hot Springs, Yellowstone National Park. Processd with Lightroom, Photoshop and Topaz Filters.
serious fumaroles and mud geysers near Myvatn at Hverir near Namafjall.
Happy Textural Tuesday from Iceland
Mudpots and fumaroles in Hverir (Hverarönd) near the Námafjall mountain in north Iceland.
Back from our trip to Iceland. I bring some photos torn despite the bad weather. Mainly rain and wind but impressions and awakenings are still intact.
De retour de notre voyage en Islande. J'emmène quelques photos arrachées malgrè le très mauvais temps. Principalement la pluie et le vent mais les impressions et les emerveillements sont toujours intacts.
Norris Geyser Basin, Yellowstone National Park. Processd with Lightroom, Photoshop and Topaz Filters.
Serious fumaroles and mud geysers at Hverir near Namafjall and Myvatn. The whole place is a living and breathing Earth lab showcasing a volcanic, ever changing landscape. The whole place exhudes sulphuric gasses and smells lovely like 10.000 foul eggs being hidden away there ;) :p. No wonder Icelanders were mining sulphur here in past times.
Tucked high in the Andes, in the far southwestern reaches of Bolivia, is the country's most visited national park, with at least 25,000 tourists visiting annually.
The mountains of Eduardo Avaroa are the highest Andes Mountains on Bolivia's border with Chile and Argentina. They are dotted with erupting volcanoes, hot springs, steaming geysers and fumaroles.
Photo is taken close to Chilean border, at altitude 4500m.
The Tayka desert hotel may be one of the most remote hotels in existence. There is literally nothing anywhere within many miles of this place. Solar panel energy.
Bolivia, Siloli Desert
Please don't use my images without my permission. All images © Aivar Mikko
The Fountain Paint Pot area in Yellowstone has several springs, pools, geysers, a fumarole, and the Fountain Paint Pot. Yellowstone National Park.
This trail is an easy 0.5 mile (0.8 km) loop boardwalk. You will see various hydrothermal features that are expressions of Yellowstone's volcanism. No two features are exactly alike, yet they can be grouped into those with a lot of water (hot springs and geysers) and those with limited water (mud pots and fumaroles).
The White River lies east of the Cascade Range and south of the Columbia River Gorge. Originating on Mt. Hood, the river flows for approximately 53 miles to its confluence with the Deschutes River just above Sherar's Bridge. All but the 0.6-mile-long section at White River Falls is designated wild and scenic.
The uppermost area hosts an active fumarole field named "Devil's Kitchen" at the White River Glacier and immediately below a mixture of andesite, dacite flows with pyroclastic and mudflow deposits, known as the "Old Maid" flows. These flows occurred about 260 years ago and buried a forest on the slopes of Mt. Hood. Recent downcutting by the White River and its tributaries has exposed portions of this "Ghost Forest" along with several of the Old Maid flows in a sequence of terraces along the valley edge upriver from the Highway 35 crossing.
I am shooting this very near the parking lot on Hwy. 35. In fact I am standing under the bridge. I probably should have come out in April to have photographed more water in the river.
The Fountain Paint Pot area in Yellowstone has several springs, pools, geysers, a fumarole, and the Fountain Paint Pot. Yellowstone National Park.
This trail is an easy 0.5 mile (0.8 km) loop boardwalk. You will see various hydrothermal features that are expressions of Yellowstone's volcanism. No two features are exactly alike, yet they can be grouped into those with a lot of water (hot springs and geysers) and those with limited water (mud pots and fumaroles).
Gibbon Geyser Basin, Yellowstone National Park. Processd with Lightroom, Photoshop and Topaz Filters.
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Hverir, located south of the Krafla area, a geothermal area with boiling mudpools and steaming fumaroles.
The Fountain Paint Pot area in Yellowstone has several springs, pools, geysers, a fumarole, and the Fountain Paint Pot. Yellowstone National Park.
This trail is an easy 0.5 mile (0.8 km) loop boardwalk. You will see various hydrothermal features that are expressions of Yellowstone's volcanism. No two features are exactly alike, yet they can be grouped into those with a lot of water (hot springs and geysers) and those with limited water (mud pots and fumaroles).
Active volcano Bromo - one of the most popular volcanoes in Indonesia. The crater Bromo is much easier to look, than other craters of volcanoes. Together with other calmer volcanoes fumed Bromo is a spectacular sight from the lookout on Mount Penandzhakan.
Bromo is an active volcano in Indonesia, part of the Tenger volcanic complex. Located in the east of Java. It has a height of 2392 meters. Bromo Volcano is a part of the Bromo-Tengger-Semeru National Park. The volcano has been in a state of constant activity for the last 20 years, its crater is filled with smoke from active fumaroles.
Putana volcano, with the summit fumaroles, sulfur deposits and the summit road all visible.
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Putana, sometimes referred to as Jorqencal or Machuca, is a volcano on the border between Bolivia and Chile and close to the Sairecabur volcanic complex. Part of the Central Volcanic Zone of the Andes, its summit is 5,890 metres (19,320 ft) above sea level and contains a summit crater with two smaller craters nested within it. Beneath the summit, the volcano features a number of lava domes and lava flows, some of which originated in flank vents.
While the occurrence of historical activity is unclear (aside from an episode in 2009–2010 where the edifice was uplifted by 4 centimetres (1.6 in)), the volcano features vigorous fumarolic activity that creates a large plume of gas above the summit. Sulfur deposited by the fumaroles has been mined.
Serious fumaroles and mud geysers at Hverir near Namafjall and Myvatn. The whole place is a living and breathing Earth lab showcasing a volcanic, ever changing landscape. The whole place exhudes sulphuric gasses and smells lovely like 10.000 foul eggs being hidden away there ;) :p. No wonder Icelanders were mining sulphur here in past times.
When our Earth surprises with deep crevasses, throwing out hot mud in beautiful colours, it must be Sliders Sunday!
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The Andean National Wildlife Eduardo Avaroa Reserve in Bolivia is a vast nature protection area located in the far southwestern region of Bolivia in the province of South Lipez, on the borders of Argentina and Chile.
It is the most visited protection zone of Bolivia. With a surface area of 7,147 km2 (1,766,170 acres), it is located at an altitude between 4,200 m (13,800 ft) and 5,400 m (17,700 ft) and includes the Laguna Colorada National Wildlife Sanctuary.
The reserve's major attractions are mountains and volcanoes, lakes, hot springs, geysers, fumaroles, and its three endemic species of flamingos.
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L'entrée de la Réserve Eduardo Avaroa
La Réserve Nationale de Faune Andine Eduardo Avaroa en Bolivie est une vaste zone de protection de la nature située à l'extrème sud-ouest de la Bolivie dans la province du Sud Lipez, aux frontières de l'Argentine et du Chili.
C'est la zone de protection la plus visitée de Bolivie. D'une surface de 7 147 km2, elle se situe à une altitude entre 4200 m et 5400 m et inclut aussi le sanctuaire de faune sauvage de la Laguna Colorado.
Les principales attractions de la réserve sont les montagnes et volcans, les lacs, les sources chaudes, les geysers, les fumerolles, et ses trois espèces locales de flamants.
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Désert Sud Lipez - Bolivie / Southern Lipez desert - Bolivia
But perhaps even more exciting than the beautiful, if stark, landscape are the vents where you can feel the moist, hot air escaping from the earth itself. Just look across the landscape for a spot of bright green, a fern or a small flowering plant, or maybe some sprouting mushrooms, and you will likely find a vent that is providing the moisture this small plant needs to survive. It is a reminder of how this land is still in the process of active change.