magnitude; earthquake magnitude
A numerical measure of size or strength; in ordinary Japanese it is especially common in earthquake reports, where it refers to the magnitude of the earthquake itself, not the local shaking intensity.
The earthquake had a magnitude of 7.0.
The larger the magnitude, the larger the scale of the earthquake.
An earthquake of magnitude 7.3 occurred.
This earthquake recorded a magnitude of 6.5.
An earthquake with a large magnitude affects a wide area.