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Imaging from NASA's Shuttle Radar Topography Mission STS-99 reveals part of the diameter ring of the crater in the form of a shallow circular trough. Numerous cenotes (sinkholes) cluster around the trough marking the inner crater rim.
The crater was discovered by Antonio Camargo and Glen Penfield, geophysicists who had been looking for petroleum in the Yucatán Peninsula during the late 1970s. Penfield was initially unable to obtain evidence that the geological feature was a crater and gave up his search. Later, through contact with Alan R. Hildebrand in 1990, Penfield obtained samples that suggested it was an impact feature. Evidence for the crater's impact origin includes shocked quartz, a gravity anomaly, and tektites in surrounding areas. (Full article...)
The 1985 Mexico City earthquake struck in the early morning of 19 September at 07:17:50 (CST) with a moment magnitude of 8.0 and a maximal Mercalli intensity of IX (Violent). The event caused serious damage to the Greater Mexico City area and the deaths of at least 5,000 people. The sequence of events included a foreshock of magnitude 5.2 that occurred the prior May, the main shock on 19 September, and two large aftershocks. The first of these occurred on 20 September with a magnitude of 7.5 and the second occurred seven months later on 30 April 1986 with a magnitude of 7.0. They were located off the coast along the Middle America Trench, more than 350 kilometres (220 mi) away, but the city suffered major damage due to its large magnitude and the ancient lake bed on which Mexico City sits. The event caused between three and five billion USD in damage as 412 buildings collapsed and another 3,124 were seriously damaged in the city.
The championship is one of the oldest, still-promoted female professional wrestling championship, preceded only by the NWA World Women's Championship that was created in 1954 while the first Mexican women's champion was crowned in 1955. The current champion is Reyna Isis, who is in her second reign. She defeated Lluvia at CMLL Atlantis 40th Anniversary Show on July 14, 2023 to win the vacant championship. It is the 24th reign of the modern era. (Full article...)
Image 8Battle of Miahuatlán took place on 3 October 1866. The liberal victory at Miahuatlán was significant because it allowed them to consolidate their control over southern Mexico and advance their agenda of liberal reforms (from History of Mexico)
Image 9Plutarco Elías Calles politician and revolutionary general who served as President of Mexico from 1924 to 1928, known for his role in shaping modern Mexico through reforms and the consolidation of state power. (from History of Mexico)
Image 13Mexican Central Railway train at station, Mexico (from History of Mexico)
Image 14Battle of Centla, the first time a horse was used in battle in a war in the Americas. Mural in the Palacio Municipal of Paraíso, Tabasco (from History of Mexico)
Image 15A map of Mexico 1845 after Texas annexation by the U.S. (from History of Mexico)
Image 27Murals of Bonampak (between 580 and 800 AD) (from Culture of Mexico)
Image 28Agustín de Iturbide the first Emperor of Mexico in 1822 after leading the Mexican War of Independence against Spain, but his reign was short-lived, lasting only until 1823 when he abdicated, and Mexico transitioned to a republic. (from History of Mexico)
Image 34Battle of Tampico (1829) a conflict between Mexican forces led by General Antonio López de Santa Anna and Spanish loyalists attempting to reconquer Mexico, resulting in a decisive Mexican victory that further solidified Mexico's independence from Spain. (from History of Mexico)
Image 40Porfirio Díaz dominant Mexican political and military figure who served as President for much of the late 19th and early 20th centuries, characterized by his long rule and the modernization efforts known as the Porfiriato. (from History of Mexico)
Image 63President Obregón. Note that he lost his right arm in the Battle of Celaya (1915), earning him the nickname of Manco de Celaya ("the one-armed man of Celaya"). (from History of Mexico)
Image 64General Santa Anna known for his leadership during the Texas Revolution, Mexican-American War, and turbulent periods of Mexican history marked by political instability and territorial losses. (from History of Mexico)
Image 65Logo of Nacional Financiera (NAFIN), the state development bank. (from History of Mexico)
Image 66Comanchería, territory controlled by the Comanches, prior to 1850 (from History of Mexico)
Image 69The Volkswagen Beetle, known in Mexico as the "Vocho," is perhaps the most iconic classic car in the country. Its production in Mexico began in 1967, and it continued until 2003, making it a symbol of Mexican automotive culture. (from Culture of Mexico)
Image 71Ignacio Comonfort significant role during the tumultuous period of the mid-19th century, including the Reform War and early stages of the Mexican Republic's transition. (from History of Mexico)