Research reveals that a volcano dormant for 100,000 years maintained constant internal activity and was never truly silent.

Written by Fabio Lucas Carvalho

Published on 23/04/2026 at 14:44

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Recent discoveries show that volcanic systems in millennial repose maintain active thermal and chemical processes deep within the Earth.

The study of a volcanic system that remained dormant for about 100,000 years revealed that internal activity never completely ceased.

Researchers identified that, although no external eruptions occurred during this vast period, magma and gases continued to move deep within the Earth’s crust. The discovery about the dormant volcano challenges traditional classifications of inactivity and raises new alerts about the monitoring of geological structures considered safe.

Monitoring reveals signs of deep life

Through advanced seismology techniques and analysis of gas emissions, scientists detected subtle signs of activity indicating the persistence of an active magmatic reservoir. This dormant volcano maintained a constant flow of heat and chemical fluids, suggesting that the internal feeding system remains connected and functional.

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Risks and re-evaluation of volcanic systems

The revelation that a volcano can maintain internal processes for 100,000 years without erupting forces the scientific community to rethink global safety protocols. Currently, many populated regions are situated near mountains classified as extinct or in deep repose, based solely on the historical record of eruptions.

The case of this dormant volcano demonstrates that the threat can be latent, requiring constant vigilance for ground deformations and thermal variations that were previously neglected.

Understanding these prolonged dormancy cycles is crucial for developing more accurate disaster prediction models. The study highlights that the accumulation of gas pressure can occur extremely slowly, preparing the ground for significant geological events in the remote future.

Investigating what keeps the dormant volcano in such a state of equilibrium can help identify the triggers that lead to the sudden awakening of other similar systems around the world.

Technology applied to long-term geology

The use of satellites and state-of-the-art sensors allowed for the observation of millimeter variations in the topography around the crater, confirming the movement of subterranean fluids. These evidences reinforce the thesis that the dormant volcano functions as a thermal engine that was never turned off, merely operating at low speed.

Detailed mapping of the magma chambers revealed a complex structure of channels that distribute pressure in a way that, so far, prevents surface rupture.

The next steps of the investigation aim to determine the exact composition of the magmas that sustain this state of active dormancy. Understanding the longevity of this geological system provides fundamental clues about the evolution of the Earth’s crust and the transfer of energy from the core to the atmosphere.

The continuous monitoring of the dormant volcano will serve as a sentinel for science, proving that geological silence is often just a temporary illusion on a planetary scale.

Click here to access the study.

Research reveals that a volcano dormant for 100,000 years maintained constant internal activity and was never truly silent.

Recent discoveries show that volcanic systems in millennial repose maintain active thermal and chemical processes deep within the Earth.

Monitoring reveals signs of deep life

Risks and re-evaluation of volcanic systems

Technology applied to long-term geology

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Research reveals that a volcano dormant for 100,000 years maintained constant internal activity and was never truly silent.

Recent discoveries show that volcanic systems in millennial repose maintain active thermal and chemical processes deep within the Earth.

Monitoring reveals signs of deep life

Risks and re-evaluation of volcanic systems

Technology applied to long-term geology

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A British company has installed in the middle of the ocean the world’s first floating platform that generates electricity 24 hours a day from the temperature difference between the surface and the depths of the Atlantic, without relying on wind or sun.

Brazil will harvest a record crop of up to 357 million tons of grains, but it does not have the capacity to store a large part of it. The storage deficit has reached the highest level in history and is equivalent to almost the entire production of Argentina.

Engineers had to pour concrete mixed with tons of ice throughout entire nights in the Dubai desert to erect the Burj Khalifa; any carelessness could clog the pipes half a mile high.

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