Portal:Earth sciences

  (Redirected from Portal:Geology)

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 constitution of the Earth and its atmosphere. Earth science is the study of our planet's physical characteristics, from earthquakes to raindrops, and floods to fossils. 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

30 August 2019 – Israel–Lebanon conflict
Israeli Defense Forces name three senior Iranian officers and point out that the leader of the Quds Force is in Lebanon "with his family". Amid the campaign for the 17 September legislative election, Israel says Iran is moving to convert Hezbollah's arsenal of what Israel says is more than 100,000 rockets into precision-guided missiles. (CNN)
29 August 2019 –
The volcano on the Italian island of Stromboli erupts, an event described as "high intensity" by the National Institute of Geophysics and Volcanology. (The Independent)
An Iranian Space Agency Simorgh carrier rocket explodes on the launch pad at Imam Khomeini Spaceport in southeastern Iran. This is Iran's third failed attempt to reach orbit this year following launches in January and February. (NPR)
27 August 2019 –
SpaceX executes a successful test of its Starhopper vehicle at Boca Chica. The vehicle was raised 150 metres (490 feet) into the air by its methane-fueled Raptor engine. The engine is planned for use on SpaceX's Starship vehicle – a crewed spacecraft capable of interplanetary flight. (Forbes, Los Angeles Times)
24 August 2019 – Iran–Israel conflict during the Syrian Civil War
The Israel Defense Forces say their Air Force strikes multiple Iranian Islamic Revolutionary Guard Corps targets in Aqraba near the Syrian capital Damascus. Israeli Prime Minister Benjamin Netanyahu claims an Iranian attack on Israel using armed drones to be imminent. Syria says it repels the attack and shoots down most of the attackers' rockets. (The Jerusalem Post) (SANA)
22 August 2019 –
The second GPS IIIA satellite is successfully launched by a Delta IV Medium rocket from Cape Canaveral Air Force Station. It is the last launch of the Delta IV Medium vehicle. (Orlando Sentinel)

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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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