Was the earthquake in Delhi linked to the extraction of groundwater? Experts weigh

Early from February 17, 2025, the earthquake of the people of Delhi defeated their families and homes. He accompanied the tremor with a prosperous voice, adding fear and panic. However, the earthquake recorded only 4.3, surprisingly that many of those who claimed that they have never felt this strong shock before.

Why did this earthquake felt very hard? Can it be linked to the extraction of groundwater?

There are two reasons because this 4.3 earthquake felt especially strongly: its center and depth.

The mile center is well located inside the Delhi, specifically in Douarka. This proximity was the first reason behind the severity of the tremor. The second reason is that it was a shallow earthquake, only 5 kilometers under the surface. Shallow earthquakes tend to feel strength because seismic waves have a less distance to travel before reaching the surface, which leads to more intense and scrutinous vibration.

Shallow earthquakes occur at the depths of 0 and 70 km and Delhi often. Two factors can explain this last tremor:

The threat of a high seismic in Delhi – the city is located in the seismic area 4, where earthquakes are from 5 to 6 somewhat common. The seismic activity of the region is associated with a continuous collision between Indian and rolling paintings, which occurs for more than 50 million years. This collision builds the energy that is released periodically when the panels turn.

Groundwater extraction – Studies indicate that pumping groundwater can lead to earthquakes by reducing pressure in basic rocks. Research has shown that the seismic activity is affected by human activities such as irrigation and urbanization, which affects local groundwater layers. A study conducted in 2020 published in scientific reports found that seismic activity in Delhi fluctuates both and over decades, and is in line with the changes in groundwater levels.

Delhi has seen many earthquakes in the past, including those moderate in 1720, 1831, 1956 and 1960, along with many younger. A study conducted in 2021 noted that most of these earthquakes occurred at the top of 25 km of the Earth's crust, making them shallow earthquakes.

The relationship between the extraction of groundwater and seismic events was observed all over the world. For example, earthquake swarms were linked near the Dead Sea mistake in 2013 and 2018 to withdrawing groundwater. Recently, a study conducted in 2023 extracted the groundwater tied to an earthquake 6.8 in the Atlas Mountains in December 2023.

While shallow earthquakes are more common, those that exceed 6 can cause great damage. Fortunately, the last Delhi earthquake did not result in deaths. However, the city's infrastructure is still weak. Although seismic design symbols were presented in 1962, there is no legal framework for imposing it, leaving many old buildings in danger.

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