Magnitude 4.1 Earthquake Hits Bangladesh Two Days After Another Quake

(MENAFN- Khaleej Times) An earthquake of magnitude 4.1 struck Bangladesh on Tuesday, a statement by the National Centre for Seismology (NCS) said.

As per the NCS, the earthquake occurred at a depth of 150km.

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Meanwhile on Sunday, February 1, an earthquake of magnitude 3.0 struck Bangladesh at about 4am, at a depth of 20km.

It is estimated that an earthquake occurs every 30 seconds somewhere on Earth. But the bulk of those are too weak to be identified. A magnitude of 4.0 earthquake is only equivalent to about 6 tons of TNT explosives, but because the Richter scale is a base-10 logarithmic scale, the amount of energy released increases exponentially.

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About 99 million tons of TNT is enough to wipe out just about anything, and is the equivalent of about 25,000 nuclear bombs, according to USGS.

Bangladesh sits where the three tectonic plates - Indian-Eurasia-Burma - meet. Currently, the Indian plate is moving in the north-east at a speed of approximately 6cm per year and the Eurasian plate is moving north at a speed of 2cm per year above the Indian plate.

There are five major fault zones in and around Bangladesh, namely Bogura fault zone, Tripura fault zone, Shilong Plateau, Dauki fault zone and Assam fault zone. Bangladesh is a location of 13 earthquake prone areas, and Chattogram, Chattogram Hill Tracts, and Jaintiapur of Sylhet remain in extreme risk zones.

In 2022, Dhaka, the capital of Bangladesh, with 30,093 residents per square kilometre was among cities with the highest population density in the world. It has also been marked as one of the 20 cities most vulnerable to earthquakes in the world.

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