Search results
Results from the WOW.Com Content Network
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.
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.
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 most recent one was 640,000 years ago. It’s known as a super-eruption because it released an estimated 250 cubic miles of material – 1,000 times larger than the Mount St. Helens eruption ...
The past can be quite fascinating.Those of us living in the present find it really interesting what life was like 50, 100, or even a 1,000 years ago. Luckily, we can go almost 200 years to the ...
For premium support please call: 800-290-4726 more ways to reach us
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 ...
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 ...