Yes, because snapshot is a backup of your volume. The original volume does not have to exist for the snapshot to be useful. You can always create a volume from a snapshot.
If you want to double check this, you can spin up basic t2.micro instance, take it snapshot, delete the instance and any associated volumes (root volume will be automatically deleted). Then you can launch new instance from the snapshot created.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…