A strong earthquake jolted Mexico on Thursday. Leaving two people dead as residents rushed out into the streets of the capital. In the middle of the night days after another strong tremor. Mexico City, which has more than 20 million people, is built in a natural basin filled with the sediment of a former lake. Making it particularly vulnerable to earthquakes.
A woman died in Mexico City after falling down from stairs and hitting her head when the quake triggered early warning alarms. While the second victim suffered a heart attack, authorities said.
The epicenter of the 6.9-magnitude earthquake was near the Pacific coast. 84 kilometers (52 miles) south of Coalcoman in the western state of Michoacan, the national seismological agency reported. The US Geological Survey (USGS) estimated the magnitude at 6.8.
It was the strongest of more than 1,200 aftershocks from a magnitude 7.7 quake that struck the same area on Monday, the national seismological agency said.
That tremor left two people dead in western Mexico. Damaged several thousand buildings, and sparked panic more than 400 kilometers away in Mexico City.
The latest quake again triggered alarms in the capital shortly after 1:00 am (0600 GMT) and caused buildings to shake and sway.
Many people quickly evacuated their homes when the alarms wailed, some dressed in pajamas and holding up their pet dogs.
“We had a 6.9 magnitude aftershock with an epicenter in Coalcoman,” President Andres Manuel Lopez Obrador said on Twitter.
“It was felt in Michoacan (and the other states of) Colima, Jalisco, Guerrero, and Mexico City. So far there are no reports of damage,” he added.
Mexico City Mayor Claudia Sheinbaum said official helicopters had flown over the city. And that there were no initial reports of damage.
“So far there is no damage in the city after the earthquake,” she tweeted.
The quake hit at a depth of 12 kilometers, according to the national seismological agency. While the USGS estimated the depth at 24 kilometers, located about 410 kilometers from Mexico City.