The area surrounding Charna is popular for scuba diving because of the presence of widely varied marine life and different kinds of coral reef . According to Yousuf Ali , founder of the Karachi Scuba Diving Centre , " there are more than 60 types of corals found near Charna waters and many new corals started to flourish " after the 2004 Indian Ocean tsunami . Jellyfish are found in large numbers during October
2004 Indian Ocean tsunami
2004 Indian Ocean earthquake and tsunami
Churna Island