World Tsunami Awareness Day: Building Resilient Communities
| Aspect | Details |
|---|---|
| Date | November 5 (Annually) |
| Established by | United Nations (2015) |
| Purpose | Promote tsunami awareness, preparedness, and resilience-building worldwide |
| 2024 Theme | "Building Resilient Communities" (Aligned with youth and future generations focus) |
| Key Focus | Community-based approaches, education, and disaster risk reduction |
| Historical Inspiration | Japan's "Inamura-no-hi" (The Burning of the Rice Sheaves) story |
| Notable Tsunamis | 2004 Indian Ocean tsunami, 2011 Tōhoku tsunami in Japan |
| Tsunami Characteristics | Speed: Up to 800 km/h; Height: Increases near coastlines; Impact: Extensive flooding & damage |
| Causes of Tsunamis | Underwater earthquakes, volcanic eruptions, landslides, extraterrestrial collisions |
| Earthquake Tsunami Conditions | Magnitude ≥6.5, shallow depth (<70km), vertical seafloor movement |
| Volcanic Tsunami Example | 1883 Krakatoa eruption (waves up to 135 feet) |
| 2024 Observance Activities | Commemorating 20th anniversary of the 2004 Indian Ocean tsunami, focusing on youth education |