1831 mystery eruption
Calibration case. Blue and green suns across Europe in 1831. Identified in December 2024 as Zavaritskii caldera on Simushir Island in the Kurils.
How it connects
This mystery we read it in
Hutchison et al. 2024, Zavaritskii caldera identified as the 1831 eruption, PNAS
This mystery has this clue
Ice-core sulfate spike, 1831
This mystery has this clue
Blue and green suns, 1831
This mystery came from this step
Verification pass found solved