Heavy rain and a mudslide in Isahaya, western Kyushu, Japan, kills 992.

Isahaya is a city located in Nagasaki Prefecture, Japan. As of June 1, 2024, the city had an estimated population of 131,467 in 55169 households, and a population density of 380 people per km². The total area of the city is 341.79 km² (131.97 sq mi).

Kyūshū is the third-largest island of Japan's four main islands and the most southerly of the four largest islands. In the past, it has been known as Kyūkoku , Chinzei and Tsukushi-no-shima . The historical regional name Saikaidō referred to Kyushu and its surrounding islands. Kyushu has a land area of 36,782 square kilometres (14,202 sq mi) and a population of 14,311,224 in 2018.