Huge earthquake of 7.3 magnitude hits southeast of Philippines
Quake measured at a depth of 617 km, according to the US Geological Survey
A major undersea earthquake with a magnitude of 7.3 struck southeast of the Philippines on Tuesday, the U.S. Geological Survey (USGS) said.
The quake was measured at a depth of 617 km (380 miles), the USGS said.
Journalist Barnaby Lo tweeted about the incident and said he felt "no significant tremor" on the island of Jolo, which is located north-east of the epicentre.