M4.0 earthquake - Bonin Islands, Japan region

What happened

A magnitude 4 earthquake struck Bonin Islands, Japan region on 28 Sept 2019, 02:23 UTC at a depth of 421 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a deep earthquake; shaking at the surface is usually weak for its size.