#earthquakes

2 articles

Plate Tectonics

Why South America fits Africa, why Wegener was dismissed for half a century, and how magnetic stripes on the seafloor finally supplied the mechanism that turned continental drift into plate tectonics.

10 min read·Jul 17, 2026

Earth & Climate

Earthquakes and Seismic Waves

How a fault stores strain for centuries and lets go in seconds, why P waves arrive before S waves, and how the shadow that shear waves cast on the far side of the planet revealed a liquid outer core.

10 min read·Jul 16, 2026