A moment magnitude scale
Abstract
The nearly coincident forms of the relations between seismic moment M0 and the magnitudes ML, MS, and Mw imply a moment magnitude scale M = ⅔ log M0 - 10.7 which is uniformly valid for 3 ≲ ML ≲ 7, 5 ≲ Ms ≲ 7½, and Mw ≳ 7½.
- Publication:
-
Journal of Geophysical Research
- Pub Date:
- May 1979
- DOI:
- 10.1029/JB084iB05p02348
- Bibcode:
- 1979JGR....84.2348H
- Keywords:
-
- Seismology: General or miscellaneous