Tsunami Alert Issued for Japan

A magnitude 7.1 earthquake occurred in Kyushu, Japan, at 0742 UTC on August 8, 2024. The earthquake's depth was recorded at 33 kilometers (20 miles). Following the seismic event, the Pacific Tsunami Warning Center issued a warning indicating that hazardous tsunami waves are possible within 300 kilometers of the epicenter along the Japanese coast. Government agencies in threatened coastal areas are advised to inform and instruct local populations at risk based on their evaluations. The estimated times of arrival for the initial tsunami wave at various locations include Nobeoka at 0808 UTC, Shimizu at 0825 UTC, and Nagasaki at 0956 UTC. Tsunami wave observations have been recorded, with the maximum height measured at 0.43 meters (1.4 feet) at Aburatsu. The warning emphasizes that the initial wave may not be the largest and that subsequent waves can arrive within a timeframe of five minutes to one hour. This message serves as an informational supplement, and further updates will be provided if additional data becomes available.

- A 7.1 magnitude earthquake struck Kyushu, Japan, on August 8, 2024.

- Hazardous tsunami waves are possible within 300 km of the earthquake's epicenter.

- Coastal authorities are urged to inform populations at risk.

- Estimated tsunami wave arrival times vary by location, with Nobeoka expected at 0808 UTC.

- Maximum tsunami height recorded was 0.43 meters at Aburatsu.