A magnitude-3.3 earthquake struck A Luoi, a mountainous district in Thua Thien-Hue Province, central Vietnam, on Sunday morning, according to the Institute of Geophysics.

The quake occurred at 6:40 am at a depth of around eight kilometers, Dang Van Hoa, head of the provincial Steering Committee for Natural Disaster Prevention and Search and Rescue, reported, citing the institute under the Vietnam Academy of Science and Technology.

Hoa noted that not only residents of A Luoi but also people in areas tens of kilometers from the epicenter felt the tremor's impact.

Ngo Vinh, a resident of the Ngu Binh mountain area in the provincial capital of Hue, about 70 kilometers from A Luoi, said he experienced slight ground shakes while at home during the quake.

“Trembles from the earthquake lasted for several seconds but they could be felt clearly,” Vinh said.

He commented that shakes from this quake were weaker than those he had previously felt from the magnitude-5 tremor that hit Kon Plong District of Kon Tum Province in the Central Highlands region, several hundreds of kilometers away from Hue, on July 28.

The earthquake struck shortly after super typhoon Yagi swept through multiple northern localities on Saturday, leaving at least four dead and 78 injured, Hoa said.

Nguyen Xuan Anh, director of the institute, explained that in Vietnam, earthquakes with a magnitude of three to 3.9 are considered minor, often felt by some people and causing slight shaking of objects, but rarely resulting in damage.

Quakes with a magnitude of four to 4.9 are classified as small, while those ranging from five to 5.9 are considered moderate, with the potential to cause minor to moderate damage.

A quake is categorized as strong when its magnitude reaches six.

Vietnam has recorded three significant earthquakes in its history, all occurring in Dien Bien Province in the north: in 1935, 1983, and 2001, with a magnitude of 6.9, 6.7, and 5.3, respectively, according to official statistics.

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