BUTUAN CITY - A 4.1-magnitude earthquake hit Davao Occidental province on Tuesday afternoon, July 21, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.
In its bulletin, Phivolcs said the tremor was recorded at 3:27 p.m.
The epicenter was plotted 372 kilometers (kms) southeast of Sarangani, Davao Occidental province.
The tremor had a depth of one km, Phivolcs said.
The earthquake was tectonic in origin, and no aftershock or tsunami alert was raised by the agency.
The regional office of the Southern Mindanao Office of Civil Defense (OCD) and provincial disaster risk reduction and management council (PDRRMC) there reported no damage or injury.
Meanwhile, a mild 3.7-magnitude tremor was also registered at 5:33 a.m., Wednesday, July 22, and its epicenter was traced 333 kms southeast of Sarangani, with a depth of 80 kms., Phivolcs also said, in its latest bulletin.
Earlier, a 3.8-magnitude tremor was also registered at 3:48 a.m. on the same day and its epicenter was located 236 kms of Sarangani, with a depth of 28 kms.
The two earthquakes were tectonic in origin, and no aftershock or tsunami alert was raised by the state agency.
The OCD and PDRRMC there also reported no damage or injury.