File:Mauna Loa Lava Flows from Early 1900s, Near Hawaiian Ocean View, Hawaii (4529012001).jpg
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Mauna Loa is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaiʻi in the Pacific Ocean. Mauna Loa is the largest subaerial volcano in both mass and volume, and has historically been considered the largest volcano on Earth. It is an active shield volcano, with a volume estimated at approximately 18,000 cubic miles (75,000 km3), although its peak is about 120 feet (37 m) lower than that of its neighbor, Mauna Kea. The Hawaiian name "Mauna Loa" means "Long Mountain". Lava eruptions from Mauna Loa are silica-poor, and very fluid; eruptions tend to be non-explosive and the volcano has relatively shallow slopes. Mauna Loa has probably been erupting for at least 700,000 years, and may have emerged above sea level about 400,000 years ago. The oldest-known dated rocks are not older than 200,000 years. The volcano's magma comes from the Hawaii hotspot, which has been responsible for the creation of the Hawaiian island chain over tens of millions of years. The slow drift of the Pacific Plate will eventually carry Mauna Loa away from the hotspot within 500,000 to one million years from now, at which point it will become extinct. Mauna Loa's most recent eruption occurred from March 24 to April 15, 1984. No recent eruptions of the volcano have caused fatalities, but eruptions in 1926 and 1950 destroyed villages, and the city of Hilo is partly built on lava flows from the late 19th century. Based on the hazards it poses to population centers, Mauna Loa is part of the Decade Volcanoes program, which encourages studies of the world's most dangerous volcanoes. Mauna Loa has been monitored intensively by the Hawaiian Volcano Observatory since 1912. Observations of the atmosphere are undertaken at the Mauna Loa Observatory, and of the Sun at the Mauna Loa Solar Observatory, both located near the mountain's summit. Hawaii Volcanoes National Park covers the summit and the southeastern flank of the volcano, and also incorporates Kīlauea, a separate volcano. en.wikipedia.org/wiki/Mauna_Loa en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_... |
| Date | |
| Source | Mauna Loa Lava Flows from Early 1900s, Near Hawaiian Ocean View, Hawaii |
| Author | Ken Lund from Reno, Nevada, USA |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This image was originally posted to Flickr by Ken Lund at https://flickr.com/photos/75683070@N00/4529012001. It was reviewed on 9 January 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| current | 04:58, 9 January 2017 | | 2,816 × 2,112 (1.45 MB) | Holly Cheng (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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