This includes 215,000 deaths caused by tsunami waves exceeding 30m (98ft) in some areas. The Nankai Trough is a deep ocean trench formed by the boundary of two tectonic plates, which is hit by a ...

YR4, once considered a potential Earth threat, now poses a 3.8% chance of hitting the Moon in 2032. Initially, NASA flagged a small possibility of Earth impact, but refined calculations reduced that ...