▁Governor - General ▁of ▁the ▁Dutch ▁East ▁Ind ies ▁during ▁the ▁event . ▁T angu y ▁pointed ▁out ▁that ▁there ▁may ▁have ▁been ▁additional ▁vict ims ▁on ▁B ali ▁and ▁East ▁Java ▁because ▁of ▁fam ine ▁and ▁disease , ▁and ▁estimated ▁ 1 1 , 0 0 0 ▁death s ▁from ▁direct ▁vol can ic ▁action ▁and ▁ 4 9 , 0 0 0 ▁from ▁post - er u ption ▁fam ine ▁and ▁ep ide m ics . ▁O ppen heimer ▁( 2 0 0 3 ) ▁estimated ▁at ▁least ▁ 7 1 , 0 0 0 ▁death s , ▁and ▁numbers ▁as ▁high ▁as ▁ 1 1 7 , 0 0 0 ▁have ▁been ▁proposed . ▁ ▁Global ▁effects ▁▁ ▁The ▁ 1 8 1 5 ▁er u ption ▁released ▁ 1 0 ▁to ▁ 1 2 0 ▁million ▁tons ▁of ▁sul ph ur ▁into ▁the ▁str atos phere , ▁causing ▁a ▁global ▁climate ▁anom aly . ▁D ifferent ▁methods ▁have ▁been ▁used ▁to ▁estimate ▁the ▁e ject ed ▁sul fur ▁mass : ▁the ▁pet ro log ical ▁method , ▁an ▁optical ▁depth ▁measurement ▁based ▁on ▁an atom ical ▁observations , ▁and ▁the ▁polar ▁ice ▁core ▁sul f ate ▁concentration ▁method , ▁which ▁cal ibr ated ▁against ▁cores ▁from ▁Green land ▁and ▁Ant arct ica . ▁ ▁In ▁the ▁spring ▁and ▁summer ▁of ▁ 1 8 1 6 , ▁a ▁persistent ▁str atos pher ic ▁sul f ate ▁a eros ol ▁ve il , ▁described ▁then ▁as ▁a ▁" d ry ▁fog