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Mexico lies within two seismically active earthquake zones. The Baja California peninsula lies near the boundary of the Pacific plate and the North American plate, while southern Mexico lies just north of the boundary between the North American plate and the Cocos and Rivera tectonic plates. The Cocos plate is subducting under the North ...
The National Seismological Service (Spanish: Servicio Sismológico Nacional, SSN) is a seismological organization in Mexico that studies and records earthquake activity within the country. It is part of the Geophysics Institute at the National Autonomous University of Mexico (UNAM) and is based in Mexico City.
A presidential decree founded El Observatorio Meteorológico y Astrónomico de México (The Meteorological and Astronomical Observatory of Mexico) on February 6, 1877 as part of the Geographic Exploring of the National Territory commission. By 1880, it became an independent agency located at Chapultepec Castle, then encompassing six observatories.
Basic horizontal-motion seismograph. The inertia of the round weight tends to hold the pen still while the base moves back and forth. A simple seismometer, sensitive to up-down motions of the Earth, is like a weight hanging from a spring, both suspended from a frame that moves along with any motion detected.
The Mexican Secretariat of National Defense (SEDENA); Spanish: Secretaría de la Defensa Nacional is the government department responsible for managing Mexico's Army and Air Forces. Its head is the Secretary of National Defense who, like the co-equal Secretary of the Navy , is directly answerable to the President. [ 2 ]
La Hora Nacional emerged during a decade when the Mexican government under Lázaro Cárdenas further entered the medium of broadcasting. Programming on La Hora Nacional has varied widely throughout its history, including classical music, popular music and live remotes from various locations in Mexico; it has also tended to change significantly ...
Palacio de Bellas Artes, Mexico City. The National Symphony Orchestra (Spanish: Orquesta Sinfónica Nacional, OSN) is the most important symphony orchestra in Mexico. [1] With its origins traced back as 1881, along with the Boston Symphony Orchestra, it is the second-oldest symphony orchestra in the American continent.
In the second chapter of the Law on the National Arms, Flag, and Anthem (Ley sobre el Escudo, la Bandera y el Himno Nacionales), the national anthem is described in very brief terms. While Articles 2 and 3 discuss in detail the coat of arms and the flag , respectively, Article 4 mentions only that the national anthem will be designated by law.