An earthquake of 7.9 magnitude struck off the Philippines on Friday and a tsunami warning has been issued for the region, the U.S. Geological Survey and the Pacific Tsunami Warning Center said.
The quake was centered off the east coast, 91 miles off the town of Guiuan in Samar province at a depth of about 20 miles, USGS said.
The tsunami warning was issued for the Philippines, Japan, Indonesia, Taiwan, Papua New Guinea and other islands in the Pacific including the U.S. state of Hawaii.
CNN.com adds: 
"An earthquake of this size has the potential to generate a destructive tsunami that can strike coastlines near the epicenter within minutes and more distant coastlines within hours," the Pacific Tsunami Warning Center said.
The quake struck just before 8:50 p.m. local time, the agency said.
There were no immediate reports of damage or injuries.