Earthquakes jolted the municipalities of Hinatuan and Lingig in Surigao del Sur on Sunday morning, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported.
The first earthquake struck around 7:08 a.m. 75 kilometers off the coast of Lingig with a magnitude of 5.3 and depth of 19 kilometers.
The second tremor hit 7:13 a.m. 85 kilometers east off the coast of Hinatuan town with a magnitude of 3.4 and depth of 23 kilometers.
Both were tectonic in origin.
No intensities were recorded in inhabited areas of both towns.
Aftershocks are expected in Lingig, the agency said.
No damage was reported as of posting time.