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Topic: 1985 Mexico City earthquake


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In the News (Mon 1 Dec 08)

  
  SpiNet | 1985 Mexcio City   (Site not responding. Last check: 2007-11-04)
At 7:19 in the morning, the city of Mexico experienced a devastating earthquake of magnitude of 8.1.
The conservative estimate by the Mexican government was produced shortly after the earthquake and was intended to minimize the scale of the devastating earthquake.
This is a region where the Cocos Plate is being subducted underneath Mexico and is the most active subduction thrust fault in the western hemisphere.
www.scieds.com /spinet/historical/mexico.html   (259 words)

  
 Mexico City - Open Encyclopedia   (Site not responding. Last check: 2007-11-04)
Mexico City (Spanish: Ciudad de México, known in Pre-Columbian times as Tenochtitlan) is the capital of Mexico; it geographically spans both the Mexican Federal District and part of the state of México, to the north of the Federal District.
Mexico City is also the largest city in North America and has one of the largest urban areas in the world; greater Mexico City forms a rough ellipse 40 kilometers east to west and 60 kilometers north to south.
At 0717 on 19 September 1985 the city was struck by an earthquake of magnitude 8.1 on the Richter scale, which resulted in the deaths of 5000 (government estimate) to 20,000 people, and rendered 50,000-90,000 people homeless.
open-encyclopedia.com /Mexico_City   (886 words)

  
 Encyclopedia: Mexico City   (Site not responding. Last check: 2007-11-04)
Mexico City was originally built in 1521 by Cortés on the ruins of Tenochtitlan, the capital of the Aztec Empire, in the middle of the now drained Lake Texcoco.
Mexico City, with its distinct mestizo culture, blending native Indian (Nahuatl) and Spanish heritages, is the largest metropolitan area in Latin America, and the second-largest in the Americas behind New York City.
At 07:17 on September 19, 1985, the city was struck by an earthquake of magnitude 8.1 on the Richter scale which resulted in the deaths of between 5,000 (government estimate) to 20,000 people and rendered 50,000-90,000 people homeless.
www.nationmaster.com /encyclopedia/Mexico-City   (5898 words)

  
 1985 Mexico City earthquake - Wikipedia, the free encyclopedia
The 1985 Mexico City earthquake was one of the most devastating earthquakes in the history of the Americas.
At 07:19 (local time) on Thursday, September 19, 1985, Mexico City was struck by an earthquake of magnitude 8.1 on the Richter scale, which resulted in a death toll estimated between 5,000 (government estimate) and 20,000 people, while leaving another 150,000 homeless.
Francisco Bucio, then a plastic surgery resident, was trapped for 4 days under the rubble of the General Hospital of Mexico City until he was rescued by his father and 6 brothers.
en.wikipedia.org /wiki/1985_Mexico_City_earthquake   (513 words)

  
 Facts   (Site not responding. Last check: 2007-11-04)
On September 19, 1985, at 7:17 A.M., a Richter magnitude 8.1 earthquake occurred on the Pacific coast of Mexico.
The location of the 1985 earthquake's epicenter near the coast at the border between the states of Michoacan and Guerrero was not a surprise.
Prior to the 1985 earthquake this area, located between two areas that had experienced recent earthquakes, was known as the "Michoacan Gap." The "gap" was filled in 1985 by the main shock and a severe aftershock (magnitude 7.5) that occurred the next day.
www.johnmartin.com /earthquakes/eqshow/647003_00.htm   (540 words)

  
 Mexico city earthquake   (Site not responding. Last check: 2007-11-04)
At 07:17 on September 19, 1985, the city was struck by an earthquake of...
Mexico City was the epicenter of one of the worst earthquakes in history.It registered 7.8 on the Richter scale.
At 0717on 19 September 1985 the city was struck by an earthquake of magnitude 8.1 on...
www.sureparking.com /mexico+city+earthquake.html   (1099 words)

  
 Hazard Slides
The damage was concentrated in a 25 square km area of Mexico City, 350 km from the epicenter.
The underlying geology and geologic history of Mexico City contributed to this unusual concentration of damage at a distance from the epicenter.
In `normal' earthquakes, however, this is the most common type of building failure since bottom floors typically have wide-open window areas and entrances with inadequate supports.
www.ngdc.noaa.gov /seg/hazard/slideset/3/3_slides.shtml   (1305 words)

  
 Hazards Workshop Session Summary #37   (Site not responding. Last check: 2007-11-04)
The Mexico City 1985 Earthquake Disaster and Emergent Organizations session was a discussion on the impact of natural disasters on politics in Latin American countries using this model.
An analysis of whether or not the 1972 Nicaragua, 1976 Guatemala, and 1985 Mexico earthquakes met the criteria for a critical juncture was explored.
The 1985 Mexico City earthquake was not a critical juncture for the country of Mexico.
www.colorado.edu /hazards/workshop/2000/s37.html   (485 words)

  
 Dian Davis on Mexico City   (Site not responding. Last check: 2007-11-04)
Reverberations: Mexico City's 1985 Earthquake and the Transformation of the Capital -- This paper examines the impact of Mexico City's 1985 disastrous earthquake on the social, spatial, and political character of Mexico's capital city.
As a result, Mexico City now is governed by a democratic and more socially responsible government committed to fostering citizen participation, building new low-income housing projects, and "rescuing" Mexico City's historic cultural heritage with the aim of recapturing the social and symbolic centrality of downtown areas, where the earthquake produced most damage.
While the downside is that the capital city now faces new pressures for gentrifying and upscaling local property markets to a greater extent than in the past, the upside is that the character and use of downtown areas is now a key item on the broader public agenda for the first time in decades.
archnet.org /groups/Lecture-April-18-2002   (198 words)

  
 Hispanic Business Forums - Mexico City angry 20 years after quake
MEXICO CITY — Candida Ortega was riding the bus to work with her daughter that morning 20 years ago when the shaking began.
As Mexico marks the quake's 20th anniversary today, Hurricane Katrina is opening old wounds in the capital, where entire neighborhoods were destroyed and rebuilding still has not been completed.
Among those still healing is Juana Jazmín Aguilera Arias Aguilera, born the morning of the earthquake and rescued from the ruins of a hospital seven hours later.
www.hispanicbusiness.com /forum/topic.asp?TOPIC_ID=3515   (1239 words)

  
 Earthquake Hazards Program: Michoacan, Mexico 1985 September 19 13:17:47 UTC, Magnitude 8.0   (Site not responding. Last check: 2007-11-04)
The maximum Modified Mercalli intensity was IX at Mexico City, Ciudad Guzman and the Pacific Coast towns of Lazaro Cardenas, Ixtapa and La Union.
A large percentage of the buildings which were damaged in Mexico City were between 8 and 18 stories high, indicating possible resonance effects with dominant two-second period horizontal ground accelerations which were recorded in the area.
Mexico City Earthquake from the University of Arizona
neic.usgs.gov /neis/eq_depot/world/1985_09_19.html   (492 words)

  
 Reuters AlertNet - Mexico remembers quake with mass evacuation drill   (Site not responding. Last check: 2007-11-04)
The 1985 Mexico City earthquake, measuring a giddy 8.1 on the Richter scale, caught Mexico off guard, killing thousands as it toppled housing blocks and office buildings in a city built on the soft mud left by a dried-up pre-Hispanic lake.Some 12,000 people are believed to have died in this earthquake, with another 40,000 injured.
MEXICO CITY, Sept 19 (Reuters) - Millions of Mexicans, from schoolchildren to office workers, poured out of buildings in the capital on Monday in an evacuation drill to mark 20 years since an earthquake killed thousands and changed the country.
Mexico City holds earthquake drills, normally much smaller, every year on the anniversary of the 1985 disaster, which also prompted schools to install alarm bells and emergency exits.
www.alertnet.org /thenews/newsdesk/N19212469.htm   (1131 words)

  
 MIT World » : Reverberations: Mexico City's 1985 Earthquake and the Transformation of the Capital
In this lecture, Diane Davis examines the impact of Mexico City's 1985 disastrous earthquake on the social, spatial, and political character of Mexico's capital city.
Davis discusses the earthquake's implications for social movement, the character of land use and property ownership, and the legitimacy of the capital city's political leaders and major construction contractors and argues that sometimes physical disasters such as earthquakes can produce profoundly unanticipated beneficial effects.
She is currently developing a taxonomy of cities in conflict that could serve as a basis for assessing the unique planning challenges and priorities faced by these cities.
mitworld.mit.edu /video/6   (392 words)

  
 Mexico City Earthquake   (Site not responding. Last check: 2007-11-04)
Earthquakes are a constant threat to the lives and well being of those people who inhabit areas which are near fault lines.
In September of 1985, Mexico City was struck by a disastrous earthquake which ravaged the city of 23 million and haunts it to this day.
The students will be engaged in gathering information related to the subject of earthquakes in general (how they work, safety issues/emergency preparedness, history, etc...) and the Mexico City Earthquake in specific.
members.aol.com /edijkelly/mexquake/earthquakers.html   (454 words)

  
 Online NewsHour: Predicting Earthquakes
The actual distance that buildings move during an earthquake is not usually that great compared to their size, and on its own does not cause much damage.
When the ground is shaking at the same rate as a building, its response to the earthquake is amplified and in some cases it can begin to accelerate more than twice as quickly as the ground beneath it.
During an earthquake, the device moves freely along the curved surface and the upward slope of the sliding surface dampens the overall motion.
www.pbs.org /newshour/science/earthquake/buildings.html   (967 words)

  
 Mexico Travel Information | Lonely Planet Destination Guide
Mexico is a traveller's paradise, crammed with a multitude of opposing identities: desert landscapes, snow-capped volcanoes, ancient ruins, teeming industrialised cities, time-warped colonial towns, glitzy resorts, lonely beaches and a world-beating collection of flora and fauna.
This mix of modern and traditional, the clichéd and the surreal, is the key to Mexico's charm, whether your passion is throwing back margaritas, listening to howler monkeys, surfing the Mexican Pipeline, scrambling over Mayan ruins or expanding your Day of the Dead collection of posable skeletons.
Mexico's climate has something for everyone: it's hot and humid along the coastal plains, and drier and more temperate at higher elevations inland (Guadalajara or Mexico City, for example).
www.lonelyplanet.com /destinations/north_america/mexico/printable.htm   (440 words)

  
 Seismo-Watch Notable Earthquake: Mexico City M8.1 Earthquake
The quake was centered in the coastal mountains of the Michoacan Province and caused substantial damage throughout central Mexico, including in Mexico City - some 240 miles east of the epicenter.
Severe damage occurred to about 500 buildings in Mexico City with widespread light to moderate damage in other parts of the country.
Mexico City has been rocked several times in the past.
www.seismo-watch.com /EQSERVICES/NotableEQ/Sep/0919.Mexico.html   (193 words)

  
 1985 mexico city earthquake Information Resources   (Site not responding. Last check: 2007-11-04)
the cities’ inhabitants to survive, pointing out that this was ably demonstrated by Mexico City in 1985, when a violent and disruptive earthquake shook the...
He traces the public's skepticism to the 1985 Mexico City earthquake, which cracked pipes and crippled water treatment plants throughout the center of the...
In 1985, the Los Angeles Fire Department devised the idea of CERT in response to the Mexico City earthquake that claimed...
mexico_city.search-now999.com /1985_mexico_city_earthquake.html   (382 words)

  
 1985 mexico city earthquake   (Site not responding. Last check: 2007-11-04)
Reverberations: Mexico City's 1985 Earthquake and the Transformation of the Capital Diane E. Davis In this lecture, Diane Davis examines the impact of...
The 1985 Mexico City earthquakewas one of the most devastating earthquakes in...
MEXICO CITY (CNN) -- The 8.1-magnitude earthquake that struck Mexico City in...
www.thebestearthquakesinfo.com /5/1985-mexico-city-earthquake.html   (399 words)

  
 Exploratorium: Life Along the Faultline: Building for the Big One/page 2 of 5   (Site not responding. Last check: 2007-11-04)
In the 1985 Mexico City earthquake, the natural frequency of shaking of buildings between 10 and 14 stories high was the same as the frequency of the earthquake waves passing through, and those buildings suffered more damage than did smaller structures.
Most of the damage from an earthquake is caused by the shaking of the ground as waves of energy pass through it.
Much of the damage in the Mexico City earthquake of 1985 was caused by liquefaction of the ancient lake sediments upon which the city was built.
www.exploratorium.edu /faultline/engineering/engineering2.html   (407 words)

  
 Earthquake rattles Mexico City : Mexico Travel - All About Mexico
MEXICO CITY (Earthquake) - An earthquake rocked central and western Mexico on Friday, forcing office workers and residents to evacuate large buildings in the capital but causing no major damage.
The U.S. National Earthquake Information Center said the quake was centered about 126 miles from Mexico City.
“It was very short but it felt really strong,” said 74-year-old Juana Ruiz in Mexico City’s historic center, which was devastated by the massive earthquake in 1985.
www.mexico.vg /mexico/earthquake-rattles-mexico-city   (248 words)

  
 Happy Software Prole » Harpers: The Uses of Disaster
You can see the grounds for that anxiety in the aftermath of the 1985 Mexico City earthquake, which was the beginning of the end for the one-party rule of the PRI over Mexico.
The earthquake, measuring 8.0 on the Richter scale, hit Mexico City early on the morning of September 19 and devastated the central city, the symbolic heart of the nation.
It was as though the earthquake had ripped away a veil concealing the corruption and callousness of the government.
taint.org /2005/10/12/050025a.html   (795 words)

  
 Mexico City Sightseeing
Enjoy the mariachi music of Mexico from one of the many bands that gather here to be taken to serenade a loved damsel.
In Spring 1964, when Tlaloc - the Tolteca's Rain God was brought into Mexico City to be placed as the official "greeter", an unparalleled rain-storm unleashed over Mexico City in the "dry" season not experienced prior to that time, nor since.
The Pyramids of the Sun and Moon and the Temple of Quetzalcoatl are impressive vestiges of this culture which predated the Aztecs and is linked to the Toltecs and Mayas.
www.sanbachs.net /cgi-bin/mexico/mexico6.cgi/City=mex   (513 words)

  
 The 1985 Mexican Earthquake   (Site not responding. Last check: 2007-11-04)
It is symptomatic that the data shows that almost all of the buildings damaged and completely collapsed during the ill-fated Thursday, September 19, 1985, were newer constructions with an average age of 40 years.
Of all the scenes of terror in which tears mixed with cries for help, sorrow, etc., what survives is the coldness of the numbers.
Various heads of states travelled to the city, among them the President of Brazil, José Sarney, the President of Venezuela, Jaime Lusinschi, the head of the Spanish government, Felipe González, Alan García, from Peru, Nancy Reagan, the wife of Ronald Reagan, President of the United States, who brought a gift of one million dollars.
www.tenorissimo.com /domingo/Articles/excel92098.htm   (884 words)

  
 [No title]   (Site not responding. Last check: 2007-11-04)
Earthquake Groups (for presentation on Thurs, Jan 22) Please cover the basic tectonic/seismological background, plus some aspects of damage and mitigations lessons.
The 1985 Michoacan (Mexico City) Earthquake J. Robbins J. Glass J. Litinger S. Frank C. Gray 3.
The 1960 Chile Earthquake R. Auster A. Kronick B. Bearder K. Miller 4.
www.geo.lsa.umich.edu /~ruff/geo147.2004W/eqGroups.txt   (98 words)

  
 Archinect : Books : The Resilient City: How Modern Cities Recover from Disaster
For as long as they have existed, cities have been destroyed--sacked, shaken, burnt, bombed, flooded, starved, irradiated, and pillaged--in almost every case they have risen again.
The Resilient City explores urban disasters from around the globe and the ongoing restoration of urban life.
It examines why cities are rebuilt, how a vision for the future gets incorporated into a new urban landscape, and how disasters have been interpreted and commemorated in built form.
www.archinect.com /books/enlarge.php?id=13153_0_25_0   (155 words)

  
 News: Meetings: 2005 Annual Meeting
The first Annual Meeting to be held outside the United States, it took place in Ixtapa, Mexico, February 2-6, 2005.
The Mexico City earthquake initiated extensive research into issues such as overstrength and capacity design principles, torsional response of buildings, building separation and pounding, and soft-soil amplification.
Members of the Mexican earthquake engineering and structural engineering associations will receive the same preferential member registration rate as EERI members, and their students will be eligible for the EERI student member rate (50% of full registration).
www.eeri.org /news/meetings/05am.html   (344 words)

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