2011 Seoul Floods, South Korea

On July 26, rains and thunderstorms triggered by a trough hit the mountains of the Korean Peninsula, producing over 495 mm (19.5 in) of rain in the Seoul region during a two-day span, the heaviest such event in July since 1907. 587 mm (23.1 in) of rain was recorded in the area after three days.
Impact
On July 27, a landslide buried three hotels in Chuncheon, east of Seoul, killing 13 people from Inha University. A landslide in Umyeon-dong killed 18 residents in an apartment block. Floodwaters innundated highways and tracks of the Seoul Metropolitan Subway, while bridges over the Han River were closed off. Damages are likely to be in the hundreds of millions USD. Motor vehicle damages reached $38 million on July 29. Close to 978 ha (2,420 acres) of agricultural land and more than 10,000 homes were flooded.