Topic · page 2 of 2

Geohazards

Geohazards are geological processes that can cause damage or loss of life, from earthquakes, tsunamis and eruptions to landslides and sinkholes.

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18 essays · page 2 of 2

The Great Dying: Earth’s Deadliest Extinction
The Great Dying ended the Permian 251.9 million years ago. How Siberian Traps volcanism drove the worst mass extinction in the history of life on…
May 16, 2026 · 23 min read
The 1700 Cascadia Earthquake and Orphan Tsunami
How scientists traced the 1700 Cascadia earthquake and orphan tsunami from Japan’s records to Pacific Northwest forests—and why it matters today.
May 15, 2026 · 25 min read
When the Mediterranean Vanished: The 600,000-Year Drought and the Megaflood That Ended It
The Mediterranean once drained and refilled: the Messinian Salinity Crisis left thick salt and deep canyons, and the Zanclean megaflood ended it.
May 10, 2026 · 22 min read
How AI is Reading Micro-Seismicity to Forecast Earthquakes and Eruptions
AI now picks out millions of micro-tremors once dismissed as noise. What that means for forecasting earthquakes and eruptions, and where its limits…
January 31, 2026 · 11 min read
Debunking Common Geology Myths (What TikTok Gets Wrong & Right)
Viral geology claims on TikTok checked against the science: what they get wrong and right, from diamonds and oil to California sliding into the sea.
November 24, 2025 · 13 min read
Active Worlds: New Discoveries in Planetary Geology
Mercury’s quakes, Venus’s volcanism and active icy moons: new discoveries in planetary geology show the solar system’s worlds are far from dead.
April 26, 2024 · 49 min read