# surface wave magnitude

> Earthquake measurement scale

**Wikidata**: [Q672828](https://www.wikidata.org/wiki/Q672828)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Surface-wave_magnitude)  
**Source**: https://4ort.xyz/entity/surface-wave-magnitude


## References

1. Freebase Data Dumps. 2013