Kolkata Shakes: Unveiling the City's Violent Earthquake History

• Kolkata experienced an earthquake at 1:22 PM on Friday, highlighting its long history of tremors.
• The city's most intense recorded earthquake occurred on October 11, 1737, destroying many buildings.
• Major tremors from the 1934 Bihar-Nepal (magnitude 8.1) and 1950 Assam earthquakes significantly impacted Kolkata.
• Distant quakes like the 2001 Gujarat, 2011 Sikkim, and 2015 Nepal earthquakes were also felt in Kolkata, causing anxiety.
• Despite being in Zone 3, experts warn that Kolkata's soft soil, old houses, and dense population increase damage risk from even moderate quakes.