A magnitude 6.8 earthquake struck off the coast of Cagwait, Surigao del Sur, on early Monday morning, Dec. 4, according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS).

PHILVOCS 5:40 a.m. report said that the earthquake, which was tectonic in origin, occurred at 3:49 a.m.

The earthquake has a depth of 1 kilometer.

Reported intensities are as follows:

• Intensity V - Cagwait, SURIGAO DEL SUR
• Intensity IV - Tarragona, DAVAO ORIENTAL; City of Tandag, SURIGAO DEL SUR
• Intensity III - CITY OF ILIGAN; CITY OF CAGAYAN DE ORO; Banaybanay, Lupon, and City of Mati, DAVAO ORIENTAL

Instrumental Intensities:

• Intensity IV - Abuyog, LEYTE; Hinunangan, SOUTHERN LEYTE; City of Gingoog, MISAMIS ORIENTAL; Nabunturan, DAVAO DE ORO; City of Surigao, SURIGAO DEL NORTE; City of Bislig, and City of Tandag, SURIGAO DEL SUR
• Intensity III - Quinapondan, EASTERN SAMAR; Dulag, Hilongos, Kananga, and Mahaplag, LEYTE; Sogod, SOUTHERN LEYTE; Libona, City of Malaybalay, and San Fernando, BUKIDNON; Magsaysay, MISAMIS ORIENTAL; CITY OF
  CAGAYAN DE ORO; City of Digos, DAVAO DEL SUR; CITY OF DAVAO; Malungon, SARANGANI; Columbio, SULTAN KUDARAT; City of Cabadbaran, AGUSAN DEL NORTE
• Intensity II - Argao, and Danao City, CEBU; Can-Avid, EASTERN SAMAR; Alangalang, Albuera, Burauen, Carigara, Javier, Leyte, and Palo, LEYTE; ORMOC CITY; City of Catbalogan, SAMAR; Malitbog, and San Juan, SOUTHERN LEYTE;
  City of Dapitan, ZAMBOANGA DEL NORTE; Kadingilan, and Maramag, BUKIDNON; Initao, MISAMIS ORIENTAL; Magsaysay, and Matanao, DAVAO DEL SUR; Don Marcelino, DAVAO OCCIDENTAL; City of Kidapawan, Magpet, and
  President Roxas, COTABATO; Alabel, SARANGANI; Tampakan, and Tupi, SOUTH COTABATO; CITY OF GENERAL SANTOS
• Intensity I - Talibon, BOHOL; Asturias, and City of Talisay, CEBU; Naval, BILIRAN; Calubian, Isabel, and Villaba, LEYTE; Rosario, NORTHERN SAMAR; Basey, and Villareal, SAMAR; Padre Burgos, SOUTHERN LEYTE; Molave, ZAMBOANGA
  DEL SUR; Banisilan, and Carmen, COTABATO; Glan, Kiamba, and Malapatan, SARANGANI; Norala, Polomolok, Santo Niño, Surallah, and T'Boli, SOUTH COTABATO; Lambayong, and President Quirino, SULTAN KUDARAT

PHIVOLCS said there is no damage expected from the earthquake but aftershocks may occur.

On Saturday evening, Dec. 2, a magnitude 7.4 earthquake struck off the coast of Hinatuan, Surigao del Sur.

As of 5 a.m. on Monday, Dec. 4,PHIVOLCS has recorded 1,583 aftershocks with magnitudes ranging up to 6.6.