It wouldn't be anything new: https://en.wikipedia.org/wiki/Year_Without_a_Summer https://en.wikipedia.org/wiki/Year_Without_a_Summer A more serious situation w

It wouldn't be anything new: https://en.wikipedia.org/wiki/Year_Without_a_Summer https://en.wikipedia.org/wiki/Year_Without_a_Summer A more serious situation would be more than one eruption, or a sequence of eruptions to sustain the effects: https://en.wikipedia.org/wiki/Extreme_weather_events_of_535%E2%80%93536 https://en.wikipedia.org/wiki/Extreme_weather_events_of_535%...