2024年8月15日 · Japan issued its first-ever “megaquake advisory” last week after a powerful earthquake struck off the southeastern coast of the country’s southern main island of Kyushu. Though the magnitude 7.1 quake caused no deaths or severe damage, the subsequent advisory caused public unease about when the next big one will hit.

Megathrust earthquakes occur at convergent plate boundaries, where one tectonic plate is forced underneath another. The earthquakes are caused by slip along the thrust fault that forms the contact between the two plates.

2024年8月8日 · TOKYO — Japan issued its first warning Thursday about the possibility of a long-feared "megaquake" after a powerful 7.1-magnitude temblor struck off its southern coast, sparking a tsunami...

2024年8月10日 · Japan’s meteorological agency on Thursday issued its first-ever “megaquake advisory.” The warning followed a 7.1-magnitude earthquake off the country’s southern coast. That raises the risk of an...

2024年8月9日 · Japan issued its first-ever advisory on higher-than-usual risks of a megaquake, after a strong magnitude 7.1 quake occurred on Thursday at the edge of a tremulous seabed zone along the Pacific...

2 天之前 · A highest-level warning for a Nankai Trough megaquake would prompt a government evacuation advisory for 670,000 people, but less than half of the affected municipalities are prepared, an Asahi ...

2024年8月9日 · On August 8, the Japanese Meteorological Agency issued its first-ever “megaquake alert,” after a magnitude 7.1 earthquake rocked the Miyazaki prefecture in southern Japan earlier that day.

2024年8月15日 · TOKYO (AP) — Japan’s government Thursday ended a weeklong information campaign urging caution and preparedness for a possible “megaquake” — an earthquake of magnitude 8 strength or higher — striking the Pacific coast. The announcement came after no abnormal seismic activity was detected during the past week.

2024年8月9日 · Japan's earthquake scientists say the country should prepare for a possible "megaquake" one day that could kill hundreds of thousands of people -- although they stress the warning does not mean a...

2024年8月9日 · The Japan Meteorological Agency issued its first megaquake advisory, covering 707 municipalities from Okinawa to Ibaraki prefectures, after a magnitude-7.1 earthquake struck off Miyazaki ...