Five families were preemptively evacuated in Cateel town, Davao Oriental, on Friday because of minor landslides.
Rains, brought about by a trough or an extension of a low pressure area (LPA), caused the landslides.
Light to moderate rains were experienced Friday because of the LPA, which was spotted more than 1,000 kilometers east of Davao City, outside the Philippine area of responsibility.
State weather bureau PAGASA issued an orange rainfall warning in Agusan del Sur, Davao Oriental, Compostela Valley, and Davao del Norte.
The agency said flooding is threatening low-lying areas, as well as those near river channels.
A Facebook post of Boston town in Davao Oriental showed rescuers responding to a landslide that damaged a portion of a road in Alitoto, Barangay Poblacion.
Minor landslides were also reported in Barangay Sibajay, but clearing operations are underway.
Leslie Francisco, information officer of the regional civil defense agency, said it has received reports on minimal river flooding about 12 p.m. at Mahan-ob river in Baganga town, Davao Oriental.
Davao City disaster-management official Alfredo Baluran said his agency has been monitoring all the villages since Friday morning and alerted barangay officials for possible flooding and landslides. — With a report from Hernel Tocmo, ABS-CBN News