A 7.7 magnitude earthquake rattled much of Southeast Asia on Friday, flattening skyscrapers and leaving more than 1,000 people dead from Myanmar to Thailand.

Rescuers are desperately searching for survivors more than three days after a powerful 7.7-magnitude earthquake struck Myanmar, toppling buildings as far away as the Thai capital Bangkok and sending tremors through nearby Chinese provinces.

A 7.7 magnitude earthquake shook Southeast Asia, causing widespread damage. These photos show the devastating impact.

A U.S. team has yet to arrive in Myanmar after last week’s 7.7-magnitude earthquake, while China has already rescued six people and committed $14 million in humanitarian aid.

A 7.7 magnitude earthquake and an aftershock measuring 6.4 rocked Myanmar and neighboring Thailand on Friday, bringing down buildings and disrupting power supplies and transport services.

The powerful earthquake, which had its epicenter in central Myanmar about 13 miles from Mandalay, Myanmar’s second-largest city, struck around 12:50 p.m. local time, the New York Times reported. It was followed by several tremors, including a 6.4 magnitude aftershock which occurred just 11 minutes later.

A powerful earthquake of magnitude 7.7 centred in the Sagaing region near the Myanmar city of Mandalay caused extensive damage in that country and also shook neighbouring Thailand on Friday.

A magnitude 7.7 earthquake in Myanmar caused widespread shaking and likely considerable damage because of a lack of buildings built to withstand temblors

The 7.7 Myanmar temblor raises questions about earthquake preparedness in Southeast Asia — and California. What can the rest of the world learn?