M4.2 earthquake - south of Tonga

What happened

A magnitude 4.2 earthquake struck south of Tonga on 23 Jul 2016, 22:50 UTC at a depth of 10 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.