A powerful earthquake with a preliminary magnitude of 7.6 struck Saturday off the coast of the southern Philippines island of Mindanao and Philippine authorities issued a tsunami warning.
The quake struck at 10:37 p.m. and was measured at a depth of 20 miles. There are no immediate reports of damage or casualties.
A US State Department said it is aware of the earthquake and was working with local authorities to determine if any U.S. citizens were affected.
The agency said it stands “ready to provide consular assistance.”
