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Portal:Earth sciences

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Introduction

Earth seen from Moon
Earth seen from Moon

Earth science or geoscience includes all fields of natural science related to the planet Earth. This is a branch of science dealing with the physical and chemical constitution of the 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.

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Louis Agassiz
Louis Agassiz

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In the news

31 March 2020 – 2020 Central Idaho earthquake
A 6.5 magnitude earthquake happens 72 km (45 mi) west of Challis, Idaho, United States. It is the strongest earthquake in the state since 1983. (USGS)
29 March 2020 – North Korea–South Korea relations, Japan–North Korea relations, North Korea and weapons of mass destruction
North Korea fires two short-range ballistic missiles into the ocean, the latest in an unprecedented flurry of launches. Both South Korea and Japan condemn the launching. (Reuters)
25 March 2020 – 2020 Kuril Islands earthquake
A magnitude 7.5 earthquake hits the Kuril Islands town Severo-Kurilsk in Russia's Far East. (Newsweek)
23 March 2020 –
The ancestor, Ikaria wariootia, of all animals with a bilateral body plan is discovered as a fossil in rocks of South Australia. (Geology Page) (The Guardian)
22 March 2020 – 2020 Zagreb earthquake
A 5.3-magnitude earthquake hits Zagreb, Croatia. Seventeen people are injured; one is in critical condition. The earthquake is Zagreb's largest since 1880. (RT) (BBC News) (Bloomberg News)
18 March 2020 – 2020 Salt Lake City earthquake
An earthquake with a magnitude of 5.7 hits Salt Lake City, Utah, with several aftershocks reported and tens of thousands of residents left without power. The earthquake is the largest in the state since the 1992 St. George earthquake. (CNN)

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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

Related topics

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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