Question: Stuart Diver was the sole survivor of what catastrophic landslide occurred at the village and ski resort of Thredbo, New South Wales, Australia, on 30 July 1997?

full_context: Document 1: Kiandra, New South Wales: Kiandra is an abandoned gold mining town and the birthplace of Australian skiing. The town is situated in the Snowy Mountains of New South Wales, Australia, in the Snowy Monaro Regional Council inside the Kosciuszko National Park. Its name is a corruption of Aboriginal 'Gianderra' for 'sharp stones for knives'. It was earlier called Gibson's Plains, named after Dr. Gibson, a settler in the district in 1839. For a century (until the establishment of Cabramurra), Kiandra was Australia's highest town.
Document 2: Hotham Alpine Resort: The Hotham Alpine Resort is an Australian ski resort, located in the Alpine region of Victoria. Set on the slopes of Mount Hotham, the ski resort comprises an alpine village, situated at an altitude of 1750 m , making it the second highest resort village in Australia after Charlotte Pass village, in New South Wales.
Document 3: Stuart Diver: Stuart Diver (born 14 January 1970 in New South Wales, Australia) is a ski instructor and was the sole survivor of the 1997 Thredbo landslide.
Document 4: Lake Mountain (Victoria): Lake Mountain is a 1433 m mountain and cross-country ski resort that is located in Victoria, Australia; approximately 120 km from Melbourne. It is the most popular ski resort in Australia in visitor numbers due to its proximity to the populous city of Melbourne, mainly from casual visitors. Lake Mountain Alpine Resort is an Unincorporated area of Victoria surrounded by the Shire of Murrindindi.
Document 5: Thredbo, New South Wales: Thredbo is a village and ski resort in the Snowy Mountains of New South Wales, Australia, and a part of the Snowy Monaro Regional Council.
Document 6: Urban Search and Rescue New South Wales AUS-2: New South Wales Urban Search and Rescue Task Force 1 (or NSWTF/1) was first established as a USAR capability in the lead up to the 2000 Sydney Olympics. After earlier large-scale collapses including the 1977 Granville Train Disaster, 1989 Newcastle earthquake and 1997 Thredbo landslide, Fire & Rescue NSW was legislated as the combat authority for responding to major structural collapse incidents within the state of New South Wales.
Document 7: Snowy Mountains: The Snowy Mountains, known informally as "The Snowies", is an IBRA subregion and the highest mountain range on the continent of mainland Australia. It contains the Australian mainland's highest mountain, Mount Kosciuszko, which reaches to a height of 2228 m above sea level. The range also contains the five highest peaks on the Australian mainland (including Mount Kosciuszko), all of which are above 2100 m . They are located in southern New South Wales and are part of the larger Australian Alps and Great Dividing Range. Unusual for Australia, the mountain range experiences large natural snowfalls every winter. Snow normally falls the most during June, July and early August. Therefore, most of the snow usually melts by late spring. The Tasmanian highlands makes up the other (major) alpine region present in Australia.
Document 8: Granville rail disaster: The Granville rail disaster occurred on Tuesday 18 January 1977 at Granville, a western suburb of Sydney, Australia, when a crowded commuter train derailed, running into the supports of a road bridge that collapsed onto two of the train's passenger carriages. It is the worst rail disaster in Australian history: 84 people died, more than 210 were injured, and 1,300 were affected.
Document 9: Ski Club of Australia: The Ski Club of Australia is a private club and ski lodge located in Thredbo, New South Wales, Australia. It was founded in 1920 and as its foundation pre-dated the foundation of the Ski Council of New South Wales in 1929, it played a pivotal role in the history of skiing and ski racing in Australia. Four members of the Ski Club, Herbert Schlink, Eric Fisher, William Gordon and John Laidley, made the first winter crossing of the Snowy Mountains Main Range from Kiandra to Kosciusko in 1927. Slalom skiing was introduced into Australia by the club. The club formerly had an official role in Australian skiing and its 75th Anniversary history was written by Olympian Bob Arnott.
Document 10: Saint-Étienne-en-Dévoluy cable car disaster: The Saint-Étienne-en-Dévoluy cable car disaster occurred on 1 July 1999 in Saint-Étienne-en-Dévoluy, France, when a gondola which was being operated on a privately owned aerial tramway detached from the cable it was traveling on, and fell into the valley below. The accident killed all twenty people on board. The death toll was equivalent to that of another cable car accident in Italy which occurred one year previously. The disaster remains the deadliest cable car accident in France, and one of the deadliest such incidents anywhere in the world.
Document 11: Lake Albina Ski Lodge: Lake Albina Ski Lodge was built overlooking Lake Albina in the Kosciuszko National Park of Australia, by The Ski Tourers Association, (later renamed The Australian Alpine Club). In 1952 the first Albina Summer Slalom Cup was held, taking advantage of the seasonally unusual snow conditions. Summer time ski events continued for at least another 3 years on either Mount Kosciuszko or Mount Townsend. The National Parks and Wildlife Service (NPWS) required the club to vacate the lodge in 1969, and it gradually became a ruin. It was finally demolished by NPWS in 1983 .
Document 12: 2010 China floods: The 2010 China floods began in early May 2010. Three hundred and ninety-two people died, and a further 232 people were reported missing as of June 30, 2010, including 57 people in a landslide in Guizhou. Fifty-three of the deaths occurred from the flooding and landslides between May 31 and June 3, and 266 deaths occurred between June 13 and June 29. Four hundred and twenty four people were killed by the end of June, including 42 from the Guizhou landslide; 277 more were killed and 147 left missing in the first two weeks of July, bringing the death toll as of August 5 to 1,072. A landslide in early August in Gansu killed at least 1,471 people and left 294 missing. In total, the flooding and landslides killed at least 3,185 people in China by August 31. More than 230 million people in 28 provinces, municipalities and regions, especially the southern and central provinces and regions of Zhejiang, Fujian, Jiangxi, Hubei, Hunan, Guangdong, Guangxi, Chongqing Municipality, Gansu, Sichuan and Guizhou, and the northeastern province of Jilin were affected, while at least 4.66 million people were evacuated because of the risk of flooding and landslides in the latter half of June. By early August, over 12 million people were evacuated, and that number rose to 15.2 million by August 31.
Document 13: Ray Stehr: Stehr was born in the country New South Wales town of Warialda in 1913. As an eight-year-old child, he was diagnosed an "incurable cripple" after developing blood clots at the base of his spine. He was unable to walk for two years and spent twelve months strapped to a stretcher, completely immobilised with his back encased in a plaster cast. His family moved to Sydney in search of some kind of miracle cure and, following a visit to a Chinese herbalist, the clots began to disappear. Nevertheless, Stehr was told not to contemplate playing contact sport. Stehr defied medical opinion, becoming one of rugby league's toughest front rowers.
Document 14: 1997 Thredbo landslide: The Thredbo landslide was a catastrophic landslide that occurred at the village and ski resort of Thredbo, New South Wales, Australia, on 30 July 1997. Two ski lodges were destroyed and a total of 18 died.
Document 15: Stuart Ayres: Stuart Laurence Ayres (born 24 November 1980), an Australian politician, is the New South Wales Minister for Sport since April 2014, the Minister for WestConnex and the Minister for Western Sydney since January 2017 in the Berejiklian government. Ayres is a member of the New South Wales Legislative Assembly since 19 June 2010, representing the electorate of Penrith as a member of the Liberal Party of Australia. Ayres has previously served as the Minister for Trade, Tourism and Major Events between 2015 and 2017; and the Minister for Police and Emergency Services during 2014 and 2015; the Minister Assisting the Premier on Western Sydney between 2013 and 2015; and the Minister for Fair Trading between 2011 and 2014.
ground_truth: 1997 Thredbo landslide