By Mike Crismundo
BUTUAN CITY – A series of earthquakes continued to shake Siargao island in Surigao del Sur, with nine tectonic earthquakes recorded by the Philippine Institute of Volcanology and Seismology (Phivolcs) on Thursday alone.
In its September 27 bulletin, PAGASA reported that of the nine quakes, the strongest were the 5.1 and 4.1 magnitude, with shallow depths of only 3 and 4 kilometers (km), respectively.
The other seven mild tectonic tremors were all located in Burgos town, and the farthest is 75 km northeast from the town proper. The series of earthquakes that struck Burgos were all tectonic in origin and the state agency did not raise any tsunami alert.
The Burgos and Surigao del Norte disaster risk reduction and management councils reported no damage or injury.
Surigao del Norte Gov. Sol Matugas has alerted all rescue teams who are now on standby alert in their respective stations for immediate response oto any untoward incident, more so that the provincial government is hosting the 24th Siargao International Surfing Cup that kicks off Friday afternoon in nearby General Luna town, the provincial chief executive added.
Meanwhile, a 2.7 magnitude earthquake again struck Siargao at 7:56 a.m. on Friday, September 28, 2018, Phivolcs said in its latest bulletin.
The epicenter was plotted 21 km, northwest of the same town of Burgos, with a shallow depth of only 1 km, it also said.
The new tremor was tectonic in origin the no tsunami alert or aftershock raised by the state agency.
Siargao, a tourist surfing destination, faces the Pacific Ocean.