Portal:Earth sciences

• ...that a tuya (pictured) is a type of flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet?
• ...that in the United States, on average tornadoes are around 500 feet (150 m) across, and stay on the ground for 5 miles (8 km)?
• ...that dust storms can carry large amounts of dust, so much so that the leading edge of one can appear as a solid wall of dust as much as 1.6 km (1 mile) high?
• ...that the area of the world Ocean is 361 million square  kilometers, its volume is approximately 1.3 billion cubic kilometers, and its average depth is 3,790 meters?
• ...that three quarters of the earth's atmosphere lies within the troposphere, and the depth of this layer varies between 17 km at the equator and 7 km at the poles?
• ...that the Mariana Trench is the deepest point in the ocean?

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• John H. Roscoe
• G.D. Blodgett
• Cross section (geology)
• Strunzite
• Koscierzyna borehole
• Versoyen unit
• Magnetic chronozone
• Fleischerite
• Mineralogical Association of Canada
• Phosphosiderite
• Menezesite
• Yuanshan Formation
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• Colusite
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• Johnbaumite
• Moûtiers unit

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Featured articles

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

Featured topics

1941 Atlantic hurricane season · 1991 Atlantic hurricane season · 1995 Pacific hurricane season · 1998 Pacific hurricane season · 2002 Atlantic hurricane season · 2003 Atlantic hurricane season · Category 5 Pacific hurricanes · Hurricane Isabel · Lists of Florida hurricanes · Lists of North Carolina hurricanes

· Retired Pacific hurricanes

Featured pictures

Views of Earth from space and satellites · Geology

Featured lists

• Baja California Peninsula hurricanes
• California hurricanes
• Category 5 Atlantic hurricanes
• Category 5 Pacific hurricanes
• Delaware hurricanes
• Florida hurricanes
• Florida hurricanes (pre-1900)
• Florida hurricanes (1900–1949)
• Florida hurricanes (1950–1974)
• Florida hurricanes (1975–1999)
• Florida hurricanes (2000–present)
• Largest volcanic eruptions
• New Jersey hurricanes
• New York hurricanes
• North Carolina hurricanes
• North Carolina hurricanes (pre-1900)
• North Carolina hurricanes (1900–1949)
• North Carolina hurricanes (1950–1979)
• North Carolina hurricanes (1980–present)
• Retired Pacific hurricane names
• Retired Pacific typhoon names (JMA)
• Sites of special scientific interest in Cornwall
• Snow events in Florida
• South America tropical cyclones
• Storms in the 2003 Atlantic hurricane season
• Storms in the 2005 Atlantic hurricane season
• Timeline of the far future
• United States hurricanes
• volcanoes in the Hawaiian – Emperor seamount chain
• Volcanoes in Indonesia
• Wettest tropical cyclones in the United States

For a more comprehensive treatment of topics, see Outline of earth science and Index of earth science articles

Atmosphere	Hydrosphere	Lithosphere
Atmospheric chemistry Climatology Meteorology Hydrometeorology Paleoclimatology	Hydrology Glaciology Limnology Hydrogeology Oceanography Chemical oceanography Marine biology Marine geology Paleoceanography Physical oceanography	Geology Geochemistry Geography Geomorphology Hydrogeology Mineralogy Petrology Volcanology Speleology
Biosphere	Systems	Others
Biogeography Paleontology Palynology Micropaleontology Geomicrobiology	Environmental science Geography Human geography Physical geography Gaia hypothesis	Cartography Geoinformatics (GIS) Geophysics Geostatistics Geodesy and Surveying Soil Science Edaphology Pedology

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