The system consists of an instrument anchored to the seafloor—called a tsunameter—that measures pressure changes caused by a passing tsunami.

India is laying the groundwork for a smart tsunami and earthquake early warning system with a 275 km-long underwater cable in the Indian Ocean. The sy.

Dagupan City has installed five Community Tsunami Alerting Stations (CTAS) in key barangays to help warn residents in case of a tsunami, especially if a strong earthquake strikes the Manila Trench.

The “megathrust” earthquake’s undersea magnitude was 9.0, recorded as one of the worst in Japan’s history. It began on the Pacific seabed 45 miles away from the eastern coast of Japan, as reported by ...