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Tag Archives: volcanic eruptions

When magma prevents volcanic eruptions

Following a large caldera-forming eruption (picture) some magma remains in the magma reservoir. This magma cools, its viscosity increases, and when new magma is injected, the magma left over after the caldera-forming eruption stops the fresh magma from propagating to …

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Great balls of fire spark volcanic eruptions on Earth

Tiny volcanic fragment from meteorite site in Canada Click for a full size image   Great balls of fire spark volcanic eruptions on Earth An ancient meteorite that struck Earth 1.85 billion years ago sparked long-lived volcanic eruptions bringing up …

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Giant earthquakes help predict volcanic eruptions

Imaging seismic susceptibility makes it possible to detect regions affected by high-pressure volcanic fluids. The image in the background is catalogued as ‘Red Fuji’ (Katsushika Hokusai, 1830). Credit: Copyright Florent Brenguier Giant earthquakes help predict volcanic eruptions Researchers at the …

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