noun
primary evacuation shelter
A shelter designated for immediate, short-term use during an emergency, such as an earthquake or flood, before moving to a longer-term facility if needed.
地震の後、住民は一次避難所に集まった。
After the earthquake, residents gathered at the primary evacuation shelter.
一次避難所では水と食料が配られた。
Water and food were distributed at the primary evacuation shelter.
Compound of 一次 (primary, first) and 避難所 (evacuation shelter).