I`m 99.9% sure that it`s St. Mary, Luddenham.
QuoteThe disaster was on land and over 100 were killed. Just over 1km from the church.That sounds like the Faversham explosives disaster.https://en.wikipedia.org/wiki/Faversham_explosives_industry#World_War_I
The disaster was on land and over 100 were killed. Just over 1km from the church.
Would the disaster be either the HMS Bulwark or the HMS Princess Irene explosions?