The document discusses several earthquakes, including: 1) The worst earthquake in India occurred on January 26, 2001 in the Kutch district of Gujarat, with an estimated intensity of 6.9-7.7 on the Richter scale. 2) The worst earthquake in the world was a 7.8 magnitude quake that struck Nepal on April 25, 2015, killing at least 5,000 people and injuring 10,000 more. It destroyed major monuments and world heritage sites near Kathmandu. 3) Earthquakes can have devastating effects by damaging infrastructure and claiming many lives.