Tsunamis are giant sea waves caused by earthquakes, volcanic eruptions, or underwater landslides. To reduce their effects, installing early warning systems is essential for alerting people in coastal areas. Building disaster-resilient infrastructure like elevated shelters reduces damage. Coastal vegetation such as mangroves acts as a natural barrier. Regular training programs and awareness campaigns prepare communities for emergencies. Rapid evacuation plans, proper disaster management authorities, and international cooperation also help in minimizing casualties and losses. Preparedness and preventive planning remain the key strategies.