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  2. List of earthquakes in Mexico - Wikipedia

    en.wikipedia.org/wiki/List_of_earthquakes_in_Mexico

    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 ...

  3. Servicio Meteorológico Nacional (Mexico) - Wikipedia

    en.wikipedia.org/wiki/Servicio_Meteorológico...

    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.

  4. National Seismological Service - Wikipedia

    en.wikipedia.org/wiki/National_Seismological_Service

    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.

  5. Seismometer - Wikipedia

    en.wikipedia.org/wiki/Seismometer

    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.

  6. 1985 Mexico City earthquake - Wikipedia

    en.wikipedia.org/wiki/1985_Mexico_City_earthquake

    Mexico City - Collapsed upper stories and construction equipment at work at the Ministry of Telecommunications and Transportation building. At the time of the earthquake, Mexico was in its fourth year of a foreign debt crisis, and a contracting economy causing serious political problems for the Institutional Revolutionary Party (PRI). Much of ...

  7. Servicio Meteorológico Nacional - Wikipedia

    en.wikipedia.org/wiki/Servicio_Meteorológico...

    National Weather Service (United States), known in Spanish as Servicio Nacional de Meteorología Topics referred to by the same term This disambiguation page lists articles associated with the title Servicio Meteorológico Nacional .

  8. National Astronomical Observatory (Mexico) - Wikipedia

    en.wikipedia.org/wiki/National_Astronomical...

    The observatory was first established on the balcony of Chapultepec Castle in Mexico City in 1878. The observatory has been operated by the National Autonomous University of Mexico (UNAM) since 1929. [1] It was later moved to Palacio del Ex-Arzobispado in Tacubaya, then on the outskirts of the city on the west side of the Federal District.

  9. Secretariat of National Defense - Wikipedia

    en.wikipedia.org/wiki/Secretariat_of_National...

    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 ]