By Mike Crismundo
BUTUAN CITY — A moderately strong tectonic earthquake with a strength of 4.6 magnitude in the Richter scale rocked Davao Oriental province at dawn Monday, June 11, 2018, the Philippine Institute of Volcanology and Seismology (Phivolcs) said.
However, the state agency said the tremor did not cause any damage to properties.
In its bulletin, Phivolcs said the earthquake occurred at 3:20 a.m. today (June 11).
The epicenter was plotted 42 kilometers southeast of Governor Generoso town, Davao Oriental province, it said.
The earthquake had a depth of 62 km.
The state agency in its instrumentalities also recorded Intensity 1 in General Santos City.
Earlier, a 4.1 magnitude tremor was also recorded at 4:21 p.m. on Sunday (June 10) and its epicenter was located 36 km southeast of that same town of Governor Generoso in the same province, with a depth of 39 km, Phivolcs also said.
The two earthquakes that struck in that province of Davao Oriental in Southern Mindanao region were both tectonic in origin and no tsunami alert was raised by the state agency.
The regional office of the Southern Mindanao Office of Civil Defense is still monitoring the report from the Davao Oriental disaster risk reduction and management council.
However, no reported damage or injuries as of reporting time.
Meanwhile, a 3.6 magnitude tectonic earthquake was also recorded at 1:23 a.m. today (June 11) and its epicenter was traced 17 km northeast of Tandag City, Surigao del Sur province, with a depth of 15 km, Phivolcs also said, in its bulletin.
The Tandag City and Surigao del Sur disaster risk reduction and management councils there reported no damage or injury.