A 3.4 magnitude earthquake struck Cao Bang.

A magnitude 3.4 earthquake struck Can Yen commune, Cao Bang province on the afternoon of October 7th. The Earthquake Information and Tsunami Warning Center - Institute of Earth Sciences is currently continuing to monitor this earthquake.

Map of the earthquake epicenter in Cao Bang on the afternoon of October 7th - Photo: Institute of Earth Sciences

On the afternoon of October 7th, Mr. Nguyen Xuan Anh, Director of the Earthquake Information and Tsunami Warning Center - Institute of Earth Sciences, announced that an earthquake had just occurred in Cao Bang province.

Specifically, at 4:42 PM on October 7th, a 3.4 magnitude earthquake occurred in Can Yen commune (bordering China), with a focal depth of approximately 16.5 km.

The Earthquake Information and Tsunami Warning Center assessed this earthquake as not posing a natural disaster risk. They are continuing to monitor the situation.

The Institute of Earth Sciences reported today that five more earthquakes, ranging in magnitude from 2.5 to 3.4, occurred in Mang Ri and Mang But communes ( Quang Ngai province). These earthquakes are classified as level 0 natural disaster risk.

Previously, on October 5th and 6th, 27 earthquakes occurred in Mang But and Mang Ri communes, including a 4.9 magnitude earthquake that struck at 1:28 AM on October 6th, causing strong tremors.

According to a preliminary report from Quang Ngai province, the earthquake caused damage to two classrooms, including roof damage, and cracked walls in four classrooms, nine boarding rooms, and two households in Mang But and Mang Den communes.

In Vietnam, earthquakes measuring between 3 and 3.9 magnitude are considered weak. Some people may feel an earthquake, but it rarely causes damage. Objects in the house might be noticed shaking.

Each year, over 100,000 similar earthquakes occur worldwide.

Earthquakes of magnitude 4-5 are considered mild earthquakes. When an earthquake occurs, objects inside the house shake and make noise. Many people feel the earthquake. Those outside the house feel slight tremors.

Generally, these earthquakes cause little to no damage. They rarely cause moderate to significant damage. Some household items may fall.

The average frequency of occurrence worldwide is 10,000-15,000 matches per year.

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Source: https://tuoitre.vn/dong-dat-manh-3-4-do-o-cao-bang-20251007182122737.htm