Ice core evidence for an explosive tropical volcanic eruption 6 years preceding Tambora

@article{Dai1991IceCE,
  title={Ice core evidence for an explosive tropical volcanic eruption 6 years preceding Tambora},
  author={Jihong Cole Dai and Ellen Mosley‐Thompson and Lonnie G. Thompson},
  journal={Journal of Geophysical Research},
  year={1991},
  volume={96},
  pages={17361-17366}
}
High-resolution analyses of ice cores from Antarctica and Greenland reveal an explosive volcanic eruption in the tropics in A.D. 1809 which is not reflected in the historical record. A comparison in the same ice cores of the sulfate flux from the A.D. 1809 eruption to that from the Tambora eruption (A.D. 1815) indicates a near-equatorial location and a magnitude roughly half that of Tambora. Thus this event should be considered comparable to other eruptions producing large volumes ofsulfur-rich… 
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