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Possible eruptions occurred around 1730 and 1750 and sometime during 1780 and 1803. [48] A June 1832 eruption was witnessed by a missionary on Maui, but the 190 km (118 mi) between the two islands and lack of apparent geological evidence have cast this testimony in doubt. Thus the first entirely confirmed historically witnessed eruption was a ...
The final eruptions in the creation of Banks Peninsula in New Zealand occurred about 9 million years ago. A major eruption of Gran Canaria took place around 14 million years ago. Approximately 23.03 million years BP, the Neogene period and Miocene epoch begin. Cerro Guacha, Bolivia; 5.6–5.8 Ma (Guacha ignimbrite). [61]
These eruptions have taken place from the main caldera and fissures along rift zones. They are generally fluid ( VEI -0) Hawaiian eruptions but more violent eruptions have occurred throughout Mauna Loa's eruptive history, with the largest recorded explosive eruptions having taken place in the 19th century.
Name Elevation Location Last eruption meters feet Coordinates; Malumalu: Last 8,000 years Ta‘u-931: 3054: 30,000 years ago [15]: Ofu-Olosega: 639: 2096: 1866 unnamed submarine cone eruption
Ash eruptions, some to altitudes over 7.5 miles (12 km), were associated with several of the lava eruptions. By 1960, the dome had grown nearly 853 feet (260 m) high and a sequence of viscous flows, up to 984 feet (300 m) thick and covering an area of about 1,200 acres (5 km 2 ) south of the volcano, had been extruded.
The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. It covers an area about 30 by 45 miles .
Pages in category "Volcanic eruptions in the United States" The following 22 pages are in this category, out of 22 total. This list may not reflect recent changes .
1950 Chicago streetcar crash: a collision and explosion kills 34. [4] June 1 – Mauna Loa in Hawaii starts erupting. June 5 – Sweatt v. Painter decided in the Supreme Court of the United States, challenging the "separate but equal" doctrine of racial segregation in education.