People gather outside an office building following an earthquake hit in Jakarta, Indonesia, August 2, 2019 in this photo taken by Antara Foto. Antara Foto/Dwi Prasetya/ via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. MANDATORY CR
JAKARTA - 2 August 2019 - An earthquake of magnitude 7 struck off Indonesia's island of Sumatra on Friday, the United States Geological Survey (USGS) said, Euronews reported.
The Indonesian geophysics agency issued a tsunami warning after the quake, which the USGS said had hit at a depth of 59 km (37 miles), about 227 km (141 miles) from the city of Teluk Betung on the island.
There were no immediate reports of damage or casualties.