MANILA (UPDATE) - Cracked roads and damaged structures were seen in several areas in Mindanao Thursday, after a third major quake jolted southern Philippines in a span of two weeks.

Thursday's 6.5 magnitude quake, which struck off Tulunan town, Cotabato, was connected to Tuesday's magnitude 6.6 temblor and a magnitude 6.3 tremor last Oct. 16, authorities said.

The series of powerful ground shaking has left several dead and dozens injured, and toppled several establishments in at least 3 cities.

Here are some images showing the devastation that has crippled commercial activity in several areas in Mindanao.

A 5-story hotel nearly collapsed in Kidapawan City after a series of powerful quakes jolted Mindanao in October. Photo from the Kidapawan City CIO via PNA

EVA'S HOTEL, KIDAPAWAN CITY

A 5-story hotel nearly collapsed in Kidapawan City after a series of powerful quakes jolted Mindanao in October. Photo from the Kidapawan City CIO via PNA

EVA'S HOTEL, KIDAPAWAN CITY

The ceiling of a gymnasium in North Cotabato collapsed after a series of quakes this week. Photo from Mlang LGU via PNA

M'LANG MUNICIPAL GYMNASIUM

A bridge connecting the Davao-Cotabato road is temporarily impassable after it sustained damage from a series of quakes that struck parts of Mindanao this month.Photo from Seanna Faith Garcia via PNA General Santos

BULATUKAN BRIDGE

Cracks can be seen on President Rodrigo Duterte's home in Davao City after a 6.5-magnitude quake hit the chief executive's hometown Thursday.Photo from Sen. Christopher "Bong" Go

PRESIDENT RODRIGO DUTERTE'S HOUSE, DAVAO CITY

LOOK: President Duterte's house in Davao City sustained cracks on the walls due to #MindanaoQuake (📷 Sen. Bong Go) @ABSCBNNews pic.twitter.com/8rOD2jsqU0

— Arianne Merez (@arianne_merez) October 31, 2019

Walls and window sills of a condominium complex in Davao City fell off after Thursday's quake.Photo courtesy Cardio Ped Don

ECOLAND 4000, DAVAO CITY

Part of a wall at the Gaisano Grand Koronadal in South Cotabato collapsed Thursday morning as a magnitude-6.5 quake destroyed buildings across Mindanao.

GAISANO GRAND KORONADAL, SOUTH COTABATO

The canopy of a function hall in Magsaysay town, Davao del Sur collapsed after a 6.5-magnitude tremor jolted the province, Thursday.

MAGSAYSAY FUNCTION HALL, DAVAO DEL SUR

A commercial establishment in Digos City crumbled after a 6.5-magnitude quake shook parts of Mindanao, Thursday.

STORE IN DIGOS CITY