M7.1 earthquake - west of the Bonin Islands, Japan

What happened

A magnitude 7.1 earthquake struck west of the Bonin Islands, Japan on 4 Jul 1982, 01:20 UTC at a depth of 536 km.

Earthquakes of this size are classed as Major. Can cause serious damage over large areas. This was a deep earthquake; shaking at the surface is usually weak for its size.