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Plate Tectonics

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Study Says Ancient 1‑km Escarpment Exposed Grand Canyon Basement Long Before River Carving

Models of Rodinia’s breakup tie a rift‑flank cliff to prolonged erosion and the Great Unconformity while calling for field tests to confirm the idea.

Researchers Capture First In Situ Seafloor Spreading Event

Magnitude 5.2 Earthquake Shakes Islands Off Karpathos

Southern California Faults at 1,000‑Year Stress High as Cajon Pass Could Let Ruptures Cross

Core‑Reflected Seismic Wave Pushed Japan East After 2011 Quake

Scientists Map Vast Fan-Shaped Basin Province Under East Antarctica

Mantle Gases Detected in Zambia’s Kafue Rift Point to Early-Stage Rifting

Paleolatitude.org Relaunches With 320-Million-Year Map of Past Latitudes

Scientists Capture Cascadia Subduction Zone Tearing Apart in New Seismic Images

New Paleolatitude 3.0 Tool Lets You Trace Any Location’s Latitude Back 320 Million Years

Oldest Direct Evidence Shows Earth's Plates Were Moving 3.5 Billion Years Ago

Deep-Mantle Hot Structures Linked to Long-Lived Patterns in Earth’s Magnetic Field

New Maps Show Tibet’s Crust Flowing as Weak Faults Guide Eastward Motion

Plate Spreading, Not Volcanic Arcs, Drove Earth’s Deep-Time Climate Shifts

Tiny Quakes Expose Five-Piece Tectonic Model at Mendocino Triple Junction

Seismic Imaging Finds 20-Kilometer Buoyant Layer Beneath Bermuda

Rare Hayli Gubbi Eruption Sends Ash Across Red Sea, Disrupting Flights From Arabia to India

Suez Rift Reclassified as Slowly Active, With Measurable Widening, Study Finds

Breakup of Ancient Supercontinent Tied to Rise of Complex Life, New Study Finds

Mantle Waves Peel Continental Roots to Feed Ocean Volcanoes, Study Finds