Portal:Earth sciences

The Earth Sciences Portal

Earth seen from Moon
Earth seen from Moon

Earth science or geoscience includes all fields of natural science related to planet Earth. This is a branch of science dealing with the physical and chemical constitution of Earth and its atmosphere. Earth science can be considered to be a branch of planetary science, but with a much older history. Earth science encompasses four main branches of study, the lithosphere, the hydrosphere, the atmosphere, and the biosphere, each of which is further broken down into more specialized fields.

There are both reductionist and holistic approaches to Earth sciences. It is also the study of Earth and its neighbors in space. Some Earth scientists use their knowledge of the planet to locate and develop energy and mineral resources. Others study the impact of human activity on Earth's environment, and design methods to protect the planet. Some use their knowledge about Earth processes such as volcanoes, earthquakes, and hurricanes to plan communities that will not expose people to these dangerous events. (Full article...)

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Halemaumau crater, Hawaii

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28 July 2021 –
Mount Sinabung in the North Sumatra region of Indonesia begins billowing ash up to 4,500 metres (14,800 ft) into the air. Though not yet erupting, authorities warn of lava flows and an evacuation order is put in place for those living within 5 kilometres (3.1 mi) of the volcano. (Associated Press)
An 8.2 magnitude earthquake strikes off the coast of Alaska, with at least two strong aftershocks (6.2 and 5.6) and prompting tsunami warnings. It is the strongest earthquake to hit the United States since the 1965 Rat Islands earthquake, which also occurred off the Alaskan coast. (CNN)
24 July 2021 – Climate change in Australia
The World Heritage Committee rejects calls from UNESCO to list the Great Barrier Reef as a World Heritage Site "in danger" due to the effects of anthropogenic climate change and ocean acidification, in line with scientific consensus on the Reef's health. Australia lobbied a number of oil-rich countries, including Russia and Saudi Arabia, to reject the proposal. (The Guardian)
10 July 2021 –
An earthquake with a magnitude of 5.9 ML strikes 27 kilometres (17 mi) east of Rasht, Tajikistan, killing at least five people and destroying at least 20 houses. (Al Jazeera)
8 July 2021 –
A magnitude 5.9 ML earthquake strikes south of Lake Tahoe, near the CaliforniaNevada state border, triggering a series of strong aftershocks. Though resulting in minimal damage and no casualties, it is the largest quake to hit the region in nearly 25 years. (USA Today)
4 July 2021 –
A mud volcano eruption in the Caspian Sea, near an oil platform off the coast of Azerbaijan, causes a massive explosion and fireball, which is seen across the region. There are no reports of injuries or damage to any oil platforms. (BNO News)

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For a more comprehensive treatment of topics, see Outline of earth science and Index of earth science articles
Atmosphere Hydrosphere Lithosphere
Biosphere Systems Others
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Climate change (More...)

Global warming · Rachel Carson · Retreat of glaciers since 1850

Earthquakes (More...)

1949 Ambato earthquake · 1968 Illinois earthquake · 1980 eruption of Mount St. Helens · 1997 Qayen earthquake · 2002 Bou'in-Zahra earthquake · 2005 Qeshm earthquake · 2007–2008 Nazko earthquakes

Volcanoes (More...)

1980 eruption of Mount St. Helens · 2007–2008 Nazko earthquakes · Amchitka · Armero tragedy · Calabozos · Cerro Azul (Chile volcano) · Craters of the Moon National Monument and Preserve · David A. Johnston · Geology of the Lassen volcanic area · Loihi Seamount · Mauna Kea · Mauna Loa · Metacomet Ridge · Mono–Inyo Craters · Mount Cayley volcanic field · Mount St. Helens · Mount Tambora · Nevado del Ruiz · Surtsey · The Volcano (British Columbia) · Upper and Lower Table Rock · Volcano (South Park) · Yellowstone National Park

Other geology (More...)

Mary Anning · Archaea · Archaeopteryx · Cerro Azul (Chile volcano) · Bryce Canyon National Park · Calabozos · Chicxulub crater · Cretaceous–Paleogene extinction event · Charles Darwin · Earth · Ediacara biota · Geology of the Bryce Canyon area · Geology of the Capitol Reef area · Geology of the Death Valley area · Geology of the Grand Canyon area · Geology of the Lassen volcanic area · Geology of the Zion and Kolob canyons area · Global warming · Iridium · Oil shale · The Volcano (British Columbia) · Toronto Magnetic and Meteorological Observatory · Volcanology of Io · Yellowstone National Park

Geography (More...)

Antarctica · Australia · Bryce Canyon National Park · Carlsbad Caverns National Park · Craters of the Moon National Monument and Preserve · Death Valley National Park · Geography of India · Geography of Ireland · National parks of England and Wales · Niagara Falls · Rondane National Park · Shoshone National Forest · Yellowstone National Park · Yosemite National Park · Zion National Park

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