Geothermal resources are subsurface accumulations of thermal energy stored in rocks and fluids of the Earth’s crust that can be technically accessed and potentially exploited for heat or power generation. They are characterized by temperature, depth, permeability, fluid content, and enthalpy, and include hydrothermal systems, enhanced geothermal systems (EGS), and superhot or petrothermal resources. Scientific assessment of geothermal resources involves heat-flow measurements, geophysical imaging, geochemical analysis of fluids, and numerical reservoir modeling to estimate accessible thermal energy, sustainable production rates, and impacts such as induced seismicity, reservoir cooling, and fluid–rock interaction under varying geological and tectonic settings.
Isotope analysis of gas from geothermal springs in Zambia could show that a new continental rift is forming, scientists say. Unexpectedly high helium isotope ratios indicate that a weakness in Earth's crust has broken through ...
Earth Sciences
May 12, 2026
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From a geothermal hotspot to the one-time "Lighthouse of the Pacific," the heat is on beneath the volcanic landscape of western El Salvador.
Earth Sciences
May 5, 2026
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7
Researchers at The University of Manchester have shown that microbial communities from terrestrial hot springs could be harnessed to convert industrial CO2 emissions into useful products, offering new routes toward a circular, ...
Environment
Apr 20, 2026
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5
How can magma buried 5, 10, or even 15 km underground be detected without any surface indicators? The answer lies in ambient noise tomography, a technique that analyzes natural ground vibrations with high precision. A team ...
Earth Sciences
Apr 14, 2026
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843
Although volcanic eruptions are spectacular natural events that occur around the world every day, most volcanoes spend the majority of their time not erupting. To accurately forecast volcanic activity, it's important to characterize ...
Earth Sciences
Mar 27, 2026
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11
A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma and Lake counties.
Earth Sciences
Aug 18, 2025
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158
A joint project which saw two boreholes drilled in northern Singapore has revealed subsurface temperatures reaching up to 122°C at a depth of 1.76 km in Sembawang, significantly higher than earlier findings recorded in Admiralty, ...
Earth Sciences
Jul 7, 2025
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41
Sophisticated chemical analysis of volcanic gases from Kenya has provided the first evidence that a vast mass of deep Earth material lies beneath East Africa.
Earth Sciences
May 14, 2025
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65
A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its thousands of geysers, hot ...
Environment
Mar 24, 2025
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41
