Tech article
Geothermal heat map of US hot springs
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Hacker News | Sep 23, 2026 | armenarmen
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Every hot spring on this site, plotted over a map of the heat rising through the ground. Tap a pin for the spring's water temperature and heat flow. Photo: Frank Schulenburg, CC BY-SA 4. 0 (Aljubran & Horne, 2024), CC BY 4. 0.
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