In 200 words discuss a disaster EARLY WARNING MECHANISM for earthquake with piratical examples

An effective early warning mechanism for earthquakes plays a vital role in reducing casualties and damage. One practical example is Japan's Earthquake Early Warning (EEW) system, which utilizes a network of seismometers to detect seismic waves. When an earthquake occurs, the system calculates the magnitude and epicenter, and it can send alerts to citizens via mobile phones, television, and public announcement systems moments before the shaking reaches their location. This allows people to take cover or evacuate. Similarly, Mexico's seismic warning system operates hundreds of sensors across the country. It provides alerts that can reach major metropolitan areas up to 60 seconds before the seismic waves arrive, enabling schools, businesses, and individuals to implement safety measures. In California, the ShakeAlert system, developed by the US Geological Survey, is designed to provide alerts for residents and institutions. It offers smartphone alerts and can automatically stop trains, open fire station doors, and shut down gas lines to minimize accidents. These systems exemplify how technology can enhance preparedness and response, emphasizing the importance of public education and continuous improvement in infrastructure to ensure their effectiveness. Fostering community awareness and preparedness is essential to maximizing the benefits of these early warning mechanisms.