Rescue efforts continue into the nightpublished at 05:18 British Summer Time 20 September 2017
Image source, AFP/Getty ImagesAs dusk falls in Mexico, rescuers continue to look for survivors using searchlights
Summary
A huge earthquake has killed more than 200 people in central Mexico
Almost half of those killed died in the capital, Mexico City
A school in Mexico City's Coapa district collapsed, killing at least 30 people, mostly children
Hundreds of volunteers have joined emergency services in the search for survivors
The magnitude 7.1 quake had its epicentre in Puebla, south-east of the capital
Four thousand troops have been brought in to help
Rescue efforts continue into the nightpublished at 05:18 British Summer Time 20 September 2017
Image source, AFP/Getty ImagesImage caption, Triggering memoriespublished at 05:03 British Summer Time 20 September 2017
The earthquake, which struck on exactly the same day as a devastating 1985 tremor that killed 10,000 people, has triggered traumatic memories for many in Mexico. One resident, Georgina Sanchez, was sobbing as she told AFP news agency: "I'm so worried. I can't stop crying. It's the same nightmare as in 1985." Another resident said: "It's just not possible that this happened also on September 19."
'Silencio'published at 04:44 British Summer Time 20 September 2017
Image source, ReutersImage caption, Rescuers searching for survivors in the rubble have been holding up signs urging onlookers to keep silent, so that they can better listen out for signs of life
'Big hug'published at 04:41 British Summer Time 20 September 2017
Former US president Barack Obama has tweeted on the Mexican earthquake, adding in Spanish: "Take care of yourselves and a big hug for everyone".
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postEarthquake trends on Twitterpublished at 04:35 British Summer Time 20 September 2017
As many take to Twitter to discuss the tremor, quake-related hashtags have begun trending worldwide on the social media platform, including #sismo (earthquake), Mexico, and CDMX (a reference to Mexico City).
Image source, TwitterAftershocks rock Mexicopublished at 04:28 British Summer Time 20 September 2017
Mexico's national seismology service has tweeted that as of 20:30 local time (01:30 Thursday GMT), it detected 11 aftershocks, with the largest registering a magnitude of 4.0.
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postEmergency backpackpublished at 04:18 British Summer Time 20 September 2017
The head of Mexico's civil protection agency, Luis Felipe Puete, has warned of the possibility of aftershocks and is urging people to prepare emergency backpacks with supplies, adding: "If you do not have it, prepare it!"
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postDeath toll jumps to 149published at 04:03 British Summer Time 20 September 2017
Mexican authorities have revised the latest figures for various areas.
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postScenes of panic at school collapsepublished at 04:01 British Summer Time 20 September 2017
A reporter with television network Telemundo captured footage , externalof the immediate aftermath of the Enrique Rebsamen school collapse in Mexico City, showing panicked people running as well as others climbing into the rubble. Clips of the footage have since been circulating online.
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postChildren killed in school collapsepublished at 03:32 British Summer Time 20 September 2017
Local media say children have been killed in a collapse at the Enrique Rebsamen school in Coapa, Mexico City. Eight children and one teacher have died, and 11 students remain trapped, reports newspaper El Universal, external.
Sniffing out survivorspublished at 03:15 British Summer Time 20 September 2017
Image source, AFP/Getty ImagesImage caption, Rescuers in Mexico City are combing the rubble with sniffer dogs as they search for survivors
'Walls coming apart'published at 02:59 British Summer Time 20 September 2017
Eyewitnesses have spoken of the terror that engulfed their cities as the quake struck. In Puebla, banker Jesus Gonzalez Hernandez told Reuters news agency that he saw "walls coming apart" as he rushed down the stairs of his building. Meanwhile university student Jevon Minto said he had just sat down in class when "the place started shaking hard, real hard...You can literally feel the fear and the panic in this city."
In picturespublished at 02:49 British Summer Time 20 September 2017
Here are some images of the devastation wrought by the earthquake.
Image source, AFP
Image source, AFP
Image source, ReutersMexico's civil protection chief tweetspublished at 02:36 British Summer Time 20 September 2017
The head of Mexico's civil protection agency has tweeted the latest death toll - 139 - and has also given a breakdown of the locations of the deaths. CDMX is a reference to Mexico City, and Edomex refers to the State of Mexico.
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter post'The desperation here is mounting'published at 02:25 British Summer Time 20 September 2017
More from BBC Mundo reporter Juan Paullier:
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postDeath toll rises to 138published at 02:04 British Summer Time 20 September 2017
Mexico's civil protection agency says the death toll has risen to at least 138. This includes 64 reported deaths in Morelos state and 36 in Mexico City.
Free public transportpublished at 01:56 British Summer Time 20 September 2017
Mr Del Mazo also announces that buses will continue to be free.
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postSchools to be closedpublished at 01:52 British Summer Time 20 September 2017
Mexico state governor Alfredo del Mazo has ordered school classes to be suspended on Wednesday in the State of Mexico, for their facilities to be to checked.
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter post'There are gas leaks and people under the rubble'published at 01:32 British Summer Time 20 September 2017
BBC Mundo reporter Juan Paullier is in Mexico City, and has been tweeting about what he's seen on the streets.
This Twitter post cannot be displayed in your browser. Please enable Javascript or try a different browser.View original content on TwitterThe BBC is not responsible for the content of external sites.Skip twitter postThe BBC is not responsible for the content of external sites.Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
End of twitter postThousands throng streets after quakepublished at 01:16 British Summer Time 20 September 2017
Image source, AFPImage caption, Many people felt safer on the streets in Mexico City after the earthquake struck