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Quảng Ngãi's Earthquake Series: 25 Induced Tremors Shake Nearby Provinces

A series of 25 induced earthquakes, including a magnitude 4.9 tremor, hit Quảng Ngãi over the weekend. Residents in nearby provinces felt the effects, raising concerns about the safety of hydropower plants.

In this image there are so many buildings and water mark at the bottom.
In this image there are so many buildings and water mark at the bottom.

Quảng Ngãi's Earthquake Series: 25 Induced Tremors Shake Nearby Provinces

Quảng Ngãi Province experienced a series of earthquakes over the weekend, with twenty-five tremors reported between Sunday and Monday morning. Residents in nearby localities such as Gia Lai, Đà Nẵng, and Huế felt the effects of these earthquakes today. All these earthquakes were induced, triggered by human activities rather than natural tectonic processes.

The most significant of these was a magnitude 4.9 earthquake on Sunday night. Ten tremors were recorded in Măng Bút Commune, while fifteen occurred in Măng Ri Commune. In Việt Nam, induced earthquakes are commonly associated with large hydropower reservoirs. The Song Tranh 2 hydropower plant is suspected to be the cause of these recent earthquakes near me in the area around Mang But and Mang Ri communes.

Induced earthquakes can also result from large-scale mining operations and underground nuclear tests. However, the most common cause is the impoundment of water in large hydropower reservoirs, as seen in this case. All twenty-five earthquakes in Quảng Ngãi were assessed to be induced, with weak or moderate magnitudes.

The series of earthquakes in Quảng Ngãi Province serves as a reminder of the potential impacts of human activities on seismicity. Authorities are investigating the link between the Song Tranh 2 hydropower plant and these induced earthquakes to ensure the safety of nearby residents.

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