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Tongkoko volcano erupciones

estratovolcán 1149 m / 3,770 ft
Al norte de Sulawesi y las islas Sangihe, Indonesia, 1.52°N / 125.2°E
Lista de erupción: 1880, 1843-46, 1821, 1801, 1694, 1683, 1680 (Plinian eruption)


2002 earthquakes
Increased seismic activity under Tongoko volcano was observed in 2002, prompting an increased of Alert Level from 1 to 2. The increasing seismicity is significant because of the long repose interval of the volcano and could suggest new magma rising towards the surface.

1680 eruption - climatic change
The eruption of 1680 of Tongoko volcano was a one of the major explosive eruptions in the past centuries.
Evidence of the release of aerosols high into the stratosphere has been found in Greenland Ice cores. In the year following the eruption, sunsets all over the world have been more colorful because of the dust veil, a recent study has suggests:
"Atmospheric effects of volcanic eruptions as seen by famous artists
and depicted in their paintings", C. S. Zerefos, V. T. Gerogiannis, D. Balis, S. C. Zerefos, and A. Kazantzidis, Atmos. Chem. Phys., 7, 4027–4042, 2007
 

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