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Puebla Earthquake: New Insights from RMS Reconnaissance

On September 19, the Mw7.1 “Puebla” earthquake struck Mexico City and surrounding states, causing the most fatalities (369) and damage of any temblor since the Michoacán event in 1985. The Mexican government has not yet published overall economic or insured loss tallies, but six days after the earthquake RMS publicly released an estimate of economic property losses between US$4 billion to US$8 billion and no more than US$1.2 billion in insured property losses.

To better understand the impact of this event, RMS sent a reconnaissance team to the affected region from October 1 to October 6. The RMS team spent most of the trip surveying sites in Mexico City but also visited Cuernavaca, Puebla de Zaragoza, and other cities in the states of Morelos and Puebla that were closer to the epicenter than the capital (Figure 1). This blog shares some of the key observations made by the RMS team.

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