Given a sentence in the Central Khmer, provide an equivalent translation in Japanese that retains the same meaning through the translation. In translation, keep numbers as it is.

ហេតុការណ៍នេះ បានកើតឡើងក្នុងសាខារ៉ែ Upper Big ក្នុងទីក្រុង Montcoal រដ្ឋ West Virginia។
事故はウエストバージニア州モンコールのアッパービッグブランチ鉱山で発生した。