Earth science
Articles about geology, climate, oceans and the planet.
Divergent boundary
Divergent boundary (constructive plate margin)
Dolomite
Dormant volcano
Dropsonde
Dropsonde: instrument for airborne atmospheric profiling
Dunkleosteus
Dust
Dust devil
Short-lived, spinning columns of air that lift dust and debris; common in hot, dry landscapes and also observed on Mars. Typically harmless but capable of localized damage and envi
Dust storm
Dyke (geology)
Dyke (geology): vertical igneous intrusions that cut across rock layers
Earth
Earth phase
Earth science
Earth science (geoscience): scope, methods, history and applications
Earth-like planet
Earth, Texas
Earth's core
Earth's core: structure, properties, and significance
Earth's crust
Earth's crust: structure, composition, and significance
Earth's inner core
Earth's magnetic field
Earth's magnetic field: origin, structure, and effects
Earth's mantle
Earth's mantle: structure, composition, and role in Earth's dynamics
Earthborn
Earthborn (novel) — the final book of the Homecoming Saga
Earthfall
Earthfall (1995) — fourth novel in the Homecoming Saga
Earthquake
Earthquake: causes, effects, detection, and societal responses
An earthquake is the sudden release of energy in Earth's crust that produces seismic waves. This article explains causes, measurements, wave types, hazards such as tsunamis and lan
Earthsea
East Antarctica
Ectasian
Ectasian (Mesoproterozoic period, 1.4–1.2 billion years ago)
Ediacaran
El Niño–Southern Oscillation
El Niño–Southern Oscillation (ENSO): causes, phases, impacts and measurement
Ellesmere Island Volcanics
Ellesmere Island Volcanics — Cretaceous volcanic province of the High Arctic
Emeishan Traps
Emeishan Traps: Permian flood basalts of southwestern China
Emerald
Emerald (gemstone)
End-Triassic extinction event
End‑Triassic extinction event
End–Ordovician extinction event
Enhanced Fujita scale
Environmental geology
Environmental geology: principles, scope, and practical applications
Eoarchaean
Eocene
Eocene–Oligocene extinction event
Eocene–Oligocene extinction event: climatic transition and biotic turnover
Eon
Eon (Geologic Time Interval)
Epicenter
Epicenter: point on Earth's surface above an earthquake focus
Epoch (geology)
Epoch (geology): definition, hierarchy, history and examples
Era
Era (geology)
Erosion
Erta Ale
Erta Ale — active shield volcano in Ethiopia