Entity / Technology

Volcanic aerosols

Particles and gases from major eruptions that can alter incoming sunlight and climate for a limited period.

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Investigation

The Year Without a Summer

In 1815, Tambora erupted. In 1816, abnormal cold and weather disruptions reached far beyond Indonesia—into harvests, migration, fisheries, and social change.

Relationship trail

Volcanic aerosols affected 1815 Tambora eruption

Source metadata

Do volcanoes affect weather?U.S. Geological Survey · Government history