
Did you hear of this one in Peru, 1600, cooled the climate severely, would slide in between Tambora and Krakatoa according to Wikipedia article:
The 1600 eruption had a Volcanic Explosivity Index of 6 and is considered to be the only major explosive eruption of the Andes in historical time.[144][145] It is the largest volcanic eruption throughout South America in historical time,[q] as well as one of the largest in the last millennium and the largest historical eruption in the Western Hemisphere.[148][149] It was larger than the 1883 eruption of Krakatoa in Indonesia and the 1991 eruption of Pinatubo in the Philippines.[150] Huaynaputina’s eruption column was high enough to penetrate the tropopause and influence the climate of Earth.[151][152]
The total volume of volcanic rocks erupted by Huayanaputina was about 30 km3 (7.2 cu mi)