Question: What magnitude earthquake hit the fashion capital of India on September 2011?

full_context: Document 1: World Tourism rankings: Rank Destination International tourist arrivals (2016) International tourist arrivals (2015) Change (2015 to 2016) (%) Change (2014 to 2015) (%) France 82.6 million 84.5 million 2.2 0.9 United States 75.6 million 77.5 million 2.4 3.3 Spain 75.6 million 68.5 million 10.3 5.5 China 59.3 million 56.9 million 4.2 2.3 5 Italy 52.4 million 50.7 million 3.2 4.4 6 United Kingdom 35.8 million 34.4 million 4.0 5.6 7 Germany 35.6 million 35.0 million 1.7 6.0 8 Mexico 35.0 million 32.1 million 8.9 9.4 9 Thailand 32.6 million 29.9 million 8.9 20.6 10 Turkey 31.3 million 39.5 million 24.6 0.8
Document 2: April 2015 Nepal earthquake: Thousands of houses were destroyed across many districts of the country, with entire villages flattened, especially those near the epicenter.
Document 3: New Delhi: New Delhi lies on several fault lines and thus experiences frequent earthquakes, most of them of mild intensity. There has, however, been a spike in the number of earthquakes in the last six years, most notable being a 5.4 magnitude earthquake in 2015 with its epicentre in Nepal, a 4.7-magnitude earthquake on 25 November 2007, a 4.2-magnitude earthquake on 7 September 2011, a 5.2-magnitude earthquake on 5 March 2012, and a swarm of twelve earthquakes, including four of magnitudes 2.5, 2.8, 3.1, and 3.3, on 12 November 2013.
Document 4: New York City: The city is the birthplace of many cultural movements, including the Harlem Renaissance in literature and visual art; abstract expressionism (also known as the New York School) in painting; and hip hop, punk, salsa, disco, freestyle, Tin Pan Alley, and Jazz in music. New York City has been considered the dance capital of the world. The city is also widely celebrated in popular lore, frequently the setting for books, movies (see List of films set in New York City), and television programs. New York Fashion Week is one of the world's preeminent fashion events and is afforded extensive coverage by the media. New York has also frequently been ranked the top fashion capital of the world on the annual list compiled by the Global Language Monitor.
Document 5: Southern California: Many faults are able to produce a magnitude 6.7+ earthquake, such as the San Andreas Fault, which can produce a magnitude 8.0 event. Other faults include the San Jacinto Fault, the Puente Hills Fault, and the Elsinore Fault Zone. The USGS has released a California Earthquake forecast which models Earthquake occurrence in California.
Document 6: Montevideo: It is classified as a Beta World City, ranking seventh in Latin America and 73rd in the world. Described as a "vibrant, eclectic place with a rich cultural life", and "a thriving tech center and entrepreneurial culture", Montevideo ranks 8th in Latin America on the 2013 MasterCard Global Destination Cities Index. By 2014, is also regarded as the fifth most gay-friendly major city in the world, first in Latin America. It is the hub of commerce and higher education in Uruguay as well as its chief port. The city is also the financial and cultural hub of a larger metropolitan area, with a population of around 2 million.
Document 7: Seattle: Due to its location in the Pacific Ring of Fire, Seattle is in a major earthquake zone. On February 28, 2001, the magnitude 6.8 Nisqually earthquake did significant architectural damage, especially in the Pioneer Square area (built on reclaimed land, as are the Industrial District and part of the city center), but caused only one fatality. Other strong quakes occurred on January 26, 1700 (estimated at 9 magnitude), December 14, 1872 (7.3 or 7.4), April 13, 1949 (7.1), and April 29, 1965 (6.5). The 1965 quake caused three deaths in Seattle directly, and one more by heart failure. Although the Seattle Fault passes just south of the city center, neither it nor the Cascadia subduction zone has caused an earthquake since the city's founding. The Cascadia subduction zone poses the threat of an earthquake of magnitude 9.0 or greater, capable of seriously damaging the city and collapsing many buildings, especially in zones built on fill.
Document 8: New Delhi: The 2011 World Wealth Report ranks economic activity in New Delhi at 39, but overall the capital is ranked at 37, above cities like Jakarta and Johannesburg. New Delhi with Beijing shares the top position as the most targeted emerging markets retail destination among Asia-Pacific markets.
Document 9: Paris: Paris has been an international capital of high fashion since the 19th century, particularly in the domain of haute couture, clothing hand-made to order for private clients. It is home of some of the largest fashion houses in the world, including Dior and Chanel, and of many well-known fashion designers, including Karl Lagerfeld, Jean-Paul Gaultier, Christophe Josse and Christian Lacroix. Paris Fashion Week, held in January and July in the Carrousel du Louvre and other city locations, is among the top four events of the international fashion calendar, along with the fashion weeks in Milan, London and New York. Paris is also the home of the world's largest cosmetics company, L'Oréal, and three of the five top global makers of luxury fashion accessories; Louis Vuitton, Hermés and Cartier.
Document 10: Fashion capital: Current (2017) City Previous (2016) Rank New York City Paris Barcelona 7 Milan 6 5 Rome 5 6 London 7 Amsterdam 23 15 8 Berlin 8 9 Las Vegas 26 14 10 Dubai 17 7 11 Singapore 14 12 Hong Kong 12 13 Florence 11 14 Los Angeles 10 15 Madrid 9 6 16 Bali 40 24 17 Seoul 56 39 18 Prague 33 15 19 Rio de Janeiro 18 20 Buenos Aires 29 9 21 Washington, D.C. 54 33 22 Moscow 22 23 Tokyo 10 13 24 Santiago 43 19 25 Vienna 34 9 26 Shanghai 15 11 27 Mumbai 38 11 28 Melbourne 49 21 29 Stockholm 46 23 30 Bangkok 50 20 31 Warsaw 42 11 32 Copenhagen 36 33 San Francisco 37 34 Sydney 13 21 35 São Paulo 16 19 36 Antwerpen 25 11 37 Johannesburg 48 11 38 Dallas 20 18 39 Austin 45 6 40 Abu Dhabi Debut 41 St Petersburg 35 6 42 Cape Town 41 43 Mexico City 53 10 44 Portland, Oregon Debut 45 Frankfurt 51 6 46 Boston 24 18 47 Kuala Lumpur Debut 48 Johannesburg 37 11 49 Monaco 21 28 50 Atlanta 47 51 New Delhi 39 12 52 Vancouver 52 53 Chicago, Illinois 27 26 54 Houston, Texas 30 24 55 Montreal 47 8 56 Dakar Debut 57 Beirut Debut 58 Kraków 44 14 59 Toronto 28 31 60 Lagos Debut 61 Columbus Debut 62 Accra Debut 63 Caracas Hiatus
Document 11: French fashion: Paris acts as the center of the fashion industry and holds the name of global fashion capital. The city is home to many prime designers, including Chanel, Louis Vuitton, Givenchy, Pierre Cardin, Yves Saint Laurent, Dior, Jean Paul Gaultier, Hermès, Lanvin, Chloé, Rochas, and Céline.
Document 12: Warsaw: In 2012 the Economist Intelligence Unit ranked Warsaw as the 32nd most liveable city in the world. It was also ranked as one of the most liveable cities in Central Europe. Today Warsaw is considered an "Alpha–" global city, a major international tourist destination and a significant cultural, political and economic hub. Warsaw's economy, by a wide variety of industries, is characterised by FMCG manufacturing, metal processing, steel and electronic manufacturing and food processing. The city is a significant centre of research and development, BPO, ITO, as well as of the Polish media industry. The Warsaw Stock Exchange is one of the largest and most important in Central and Eastern Europe. Frontex, the European Union agency for external border security, has its headquarters in Warsaw. It has been said that Warsaw, together with Frankfurt, London, Paris and Barcelona is one of the cities with the highest number of skyscrapers in the European Union. Warsaw has also been called "Eastern Europe’s chic cultural capital with thriving art and club scenes and serious restaurants".
Document 13: Houston: The Houston area has over 150 active faults (estimated to be 300 active faults) with an aggregate length of up to 310 miles (500 km), including the Long Point–Eureka Heights fault system which runs through the center of the city. There have been no significant historically recorded earthquakes in Houston, but researchers do not discount the possibility of such quakes having occurred in the deeper past, nor occurring in the future. Land in some areas southeast of Houston is sinking because water has been pumped out of the ground for many years. It may be associated with slip along the faults; however, the slippage is slow and not considered an earthquake, where stationary faults must slip suddenly enough to create seismic waves. These faults also tend to move at a smooth rate in what is termed "fault creep", which further reduces the risk of an earthquake.
Document 14: New Delhi: With a total area of 42.7 km2 (16.5 sq mi), New Delhi forms a small part of the Delhi metropolitan area. Because the city is located on the Indo-Gangetic Plain, there is little difference in elevation across the city. New Delhi and surrounding areas were once a part of the Aravalli Range; all that is left of those mountains is the Delhi Ridge, which is also called the Lungs of Delhi. While New Delhi lies on the floodplains of the Yamuna River, it is essentially a landlocked city. East of the river is the urban area of Shahdara. New Delhi falls under the seismic zone-IV, making it vulnerable to earthquakes.
Document 15: Istanbul: Istanbul is near the North Anatolian Fault, close to the boundary between the African and Eurasian Plates. This fault zone, which runs from northern Anatolia to the Sea of Marmara, has been responsible for several deadly earthquakes throughout the city's history. Among the most devastating of these seismic events was the 1509 earthquake, which caused a tsunami that broke over the walls of the city and killed more than 10,000 people. More recently, in 1999, an earthquake with its epicenter in nearby İzmit left 18,000 people dead, including 1,000 people in Istanbul's suburbs. The people of Istanbul remain concerned that an even more catastrophic seismic event may be in the city's near future, as thousands of structures recently built to accommodate Istanbul's rapidly increasing population may not have been constructed properly. Seismologists say the risk of a 7.6-magnitude or greater earthquake striking Istanbul by 2030 is more than 60 percent.
ground_truth: 4.2-magnitude
sub_queries: which city is the fashion capital of india Answer: New Delhi
What was the magnitude of the earthquake that affected New Delhi on September 2011? Answer: 4.2-magnitude