This caldera from a super volcano was formed only 3500 years ago. Aniakchak Caldera formed during an enormous explosive eruption that expelled more than 50 km3 (11.5 cubic miles) of magma. The caldera is 10 km (6.5 miles) in diameter and 500-1,000 m (1/2 mile) deep. Subsequent eruptions formed domes, cinder cones, and explosion pits on the caldera floor.
The caldera, one of the largest in the world, contains the city of Aso and extends over 20km in diameter. The caldera contains an active volcano, Nakadake, and several other extinct volcanoes.
The Mauna Kea Observatory is one of the world's premier astronomical research facilities located on Mauna Kea on the Big Island of Hawai'i, USA. Founded in 1967, the Mauna Kea Observatory is part of the University of Hawai'i System and consists of various multi-national astronomical instruments. Located on a dormant volcano, the facilities are at an altitude of 13,796 feet (4205 meters) above s...
Ilopango is a caldera that formed in 260 A.D. Ash from this explosive eruption covered much of central El Salvador. Lake Ilopango fills part of the caldera. Islas Quemadas, a volcanic dome, formed within the caldera in 1879-1880. Periods of dome extrusion coincided with tidal forces. Earthquake swarms preceded each extrusion.
The highest mountain in Indonesia (outside of Irian Jaya (West-New Guinea)). It is actually just a remainig sidewall of a huge caldera. Zoom out a bit to see the beautiful main caldera with the lake.
The Yuan-Tseh Lee Array for Microwave Background Anisotropy, also known as the Array for Microwave Background Anisotropy (AMiBA), is a radio telescope designed to observe the cosmic microwave background and the Sunyaev-Zel'dovich effect in clusters of galaxies. It is located on Mauna Loa in Hawaii, at 3,396 m above sea level.
AMiBA is currently configured as a 7-element interfero...
Mt. Bromo is a small but extremely popular and active volcano on Java, Indonesia. It lies in a huge caldera which is visible if you zoom out a bit. There are 2 more semi-dormant volcanoes in the caldera
The major tourist attraction on Bali, Mt. Batur, which lies in the middle of a huge caldera, visible when you zoom out a bit. It is "slightly" active. Scenic lake in the caldera, too.
Wolf, the highest volcano of the Galápagos Islands, straddles the equator at the north end of the archipelago's largest island, Isabela. The 1710-m-high Volcán Wolf has steeper slopes than most other Isabela volcanoes, reaching angles up to 35 degrees. A 6 x 7 km caldera, at 700 m one of the deepest of the Galápagos Islands, is located at the volcano's summit. A prominent bench on the west side...
Deception Island is a volcanic caldera, which formed a natural harbour when the caldera collapsed.
The harbour is called Port Foster.
The Island is in the South Shetland Islands, on the Bransfield Rift where the rift is offset by a short ridge-ridge transform fault .
700000 years ago, volcanic pressure on Deception Island resulted in a tremendous eruption that caused the i...
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