7.8-magnitude earthquake strikes Turkey; tremors felt in Lebanon, Syria
On Monday, a 7.8-magnitude earthquake occurred close to Gaziantep in southeast Turkey.
The earthquake occurred at a depth of approximately 17.9 kilometres at 04:17 local time (0117 GMT).
The quake's magnitude was 7.4 according to AFAD, the government's disaster management organisation.
About 15 minutes later, the USGS reported a second shallow 6.7-magnitude earthquake that had also occurred nearby.
Turkish authorities have not yet reported any deaths or injuries, but viral videos showed destroyed buildings in several cities.