Great Hinamizawa Disaster
The Great Hinamizawa Disaster was a catastrophic gas leak incident in the village of Hinamizawa. The village's entire populace was exposed to a mixture of hydrogen sulfide and carbon dioxide and was completely wiped out overnight. The gas leak resulted in the permanent closing of visitation to the village.
| Location | Hinamizawa, Japan |
|---|---|
| Cause | Biological warfare |
| Deaths | ~2000 (direct) |
It is revealed in Minagoroshi-hen that the Great Hinamizawa Disaster is the end result of Emergency Manual #34, a document outlining the official response to the outbreak of Hinamizawa Syndrome within Hinamizawa. The gas is known as H170, a particularly deadly strain of the Hinamizawa Syndrome virus which causes quick death.