Search results
Results from the WOW.Com Content Network
1,000 km 3 (239.9 cu mi) intracaldera rhyolitic lava flows. [2] Galeras, Andes, Northern Volcanic Zone, Colombian department of Nariño: 150 ka: 2 km 3 (0.5 cu mi) of tephra: Kos-Nisyros Caldera, Greece: 161 ka: 110 km 3 (26 cu mi) Kos Plateau Tuff. [1] Taal Caldera, island of Luzon, Philippines: between 500 and 100 ka: 6?
The Ontong Java Plateau forms from 125 to 120 million years ago; Paraná and Etendeka traps, Brazil, Namibia and Angola form 128 to 138 million years ago. 132 million years ago, a possible supervolcanic eruption occurred, ejecting 8,600 cubic kilometers (2,063 cu mi). [90] Formation of the Karoo-Ferrar flood basalts begins 183 million years ago.
Satellite images of the 15 January 2022 eruption of Hunga Tonga-Hunga Haʻapai. This is a list of volcanoes that have had large explosive eruptions during the Holocene (since about 11,650 years Before Present), with a volcanic explosivity index (VEI) of 5 or higher, or a plume height of at least 30 km.
13,000 years ago: Unknown; may include climate changes, massive volcanic eruptions and Humans (largely by human overhunting) [4] [5] [6] Neogene: Pliocene–Pleistocene boundary extinction: 2 Ma: Possible causes include a supernova [7] [8] or the Eltanin impact [9] [10] Middle Miocene disruption: 14.5 Ma Climate change due to change of ocean ...
1,000 Last large eruption in the Yellowstone National Park area estimated energy yield 875,000 megatons of tnt [39] [9] [10] Awasa Caldera: 1.09 Main Ethiopian Rift: 1,000 [40] Cerro Galán: 2.2 Catamarca Province, Argentina 1,000 Elliptical caldera is ~35 km wide [41] Paintbrush tuff (Tiva Canyon Member) 12.7 Southwestern Nevada 1,000
The mighty baobab has grown across mainland Africa, Madagascar and Australia for millions of years. But until now, scientists disputed where they came from. Finally, an answer to a mystery ...
Visual representation of the Logarithmic timeline in the scale of the universe. This timeline shows the whole history of the universe, the Earth, and mankind in one table. . Each row is defined in years ago, that is, years before the present date, with the earliest times at the top of the ch
The Ca-Al-rich inclusions, which formed 2 million years before the chondrules, [1] are a key signature of a supernova explosion. c. 4,567 ±3 Ma – Rapid collapse of hydrogen molecular cloud , forming a third-generation Population I star , the Sun , in a region of the Galactic Habitable Zone (GHZ), about 25,000 light years from the center of ...