Volcanoes
The Science of Lava What Is It Made Of
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Lava is essentially Earth’s blood—except it’s 1,200 degrees Celsius and made of melted rock instead of hemoglobin. Which, honestly, makes our
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How Do We Know What Is Inside a Volcano
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In 1943, a Mexican farmer named Dionisio Pulido watched his cornfield crack open and start belching smoke. Within a year, Paricutin volcano had grown 1,100
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What Are Volcanic Bombs
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Imagine standing on a Hawaiian beach when suddenly the ground trembles and molten rock starts arcing through the air like hellish basketballs. That’
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What Happens During a Supervolcano Eruption
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Yellowstone’s caldera—that massive depression in Wyoming—last blew its top 640,000 years ago. When it did, it ejected roughly 1,000 cubic kilometers
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The Dangers of Living Near Mount Rainier
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Mount Rainier looms over Seattle like a beautiful, 14,411-foot-tall doomsday clock. About 3.8 million people live in the Puget Sound region, going about
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What Is Ground Deformation at a Volcano
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Mount St. Helens swelled like a geological blister for two months before it exploded in 1980. The north face bulged outward at five feet per day—roughly
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Volcano Evacuation Plans What to Know
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Pompeii wasn’t exactly equipped with a smartphone alert system when Vesuvius decided to redecorate the countryside in 79 CE. Fast-forward a couple
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What Is Magma and How Does It Rise
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Magma is molten rock underground. Simple definition, complicated reality. It’s not pure liquid—more like a hot slurry of melt, crystals, and dissolved
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What Is a Magma Chamber
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Beneath Yellowstone National Park sits roughly 11,000 cubic miles of partially molten rock. That’s enough magma to fill the Grand Canyon eleven times
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How Do We Date Ancient Eruptions
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Imagine trying to pin down the exact birthday of someone who died 50,000 years ago and left no records except a massive pile of ash. That’
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