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  2. Ngorongoro Conservation Area - Wikipedia

    en.wikipedia.org/wiki/Ngorongoro_Conservation_Area

    The main feature of the Ngorongoro Conservation Authority is the Ngorongoro Crater, the world's largest inactive, intact and unfilled volcanic caldera. [22] The crater, which formed when a large volcano erupted and collapsed on itself two to three million years ago, is 610 metres (2,000 feet) deep and its floor covers 260 square kilometres (100 ...

  3. List of impact structures on Earth - Wikipedia

    en.wikipedia.org/wiki/List_of_impact_structures...

    The EID lists fewer than ten such craters, and the largest in the last 100,000 years (100 ka) is the 4.5 km (2.8 mi) Rio Cuarto crater in Argentina. [2] However, there is some uncertainty regarding its origins [ 3 ] and age, with some sources giving it as < 10 ka [ 2 ] [ 4 ] while the EID gives a broader < 100 ka.

  4. Volcanic crater - Wikipedia

    en.wikipedia.org/wiki/Volcanic_crater

    A volcanic crater is an approximately circular depression in the ground caused by volcanic activity. [1] It is typically a bowl-shaped feature containing one or more vents. During volcanic eruptions , molten magma and volcanic gases rise from an underground magma chamber , through a conduit, until they reach the crater's vent, from where the ...

  5. Scientists track changes at the Yellowstone supervolcano ...

    www.aol.com/scientists-track-changes-yellowstone...

    The caldera is the enormous volcanic crater left from the last time Yellowstone ... Yellowstone is one of the planet's largest volcanic systems, a place where a plume of the Earth's molten core ...

  6. Apolaki Caldera - Wikipedia

    en.wikipedia.org/wiki/Apolaki_Caldera

    The Apolaki Caldera is a volcanic caldera with a diameter of 150 kilometers (93 mi), making it the world's largest caldera. It is located within the Benham Rise (Philippine Rise) and was discovered in 2019 by Jenny Anne Barretto, a Filipino marine geophysicist and her team.

  7. Yellowstone volcanic activity is on the move, experts say ...

    www.aol.com/yellowstone-volcanic-activity-move...

    Yellowstone National Park, known for erupting geysers like Old Faithful, is home to one of earth’s largest volcanic systems, with the capacity to wreak havoc on an entire continent — and ...

  8. Vredefort impact structure - Wikipedia

    en.wikipedia.org/wiki/Vredefort_impact_structure

    The Vredefort impact structure is the largest verified impact structure on Earth. [1] The crater, which has since been eroded away, has been estimated at 170–300 kilometres (110–190 mi) across when it was formed. [2] [3] The remaining structure, comprising the deformed underlying bedrock, is located in present-day Free State province of ...

  9. Oldest impact crater on Earth found – and it could throw ...

    www.aol.com/news/oldest-impact-crater-on-earth...

    The huge Yarrabubba crater in Western Australia has been dated to 2.229bn years ago in a geological study. Oldest impact crater on Earth could throw light on ancient climate change Skip to main ...