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sci.seismic-magnitude-energy Calculator
Calculates seismic wave energy from moment magnitude Mw and seismic moment M₀ = μAD. Moment magnitude replaced the Richter scale for large earthquakes — the 2011 Tohoku Mw 9.0 released E ≈ 2 × 10¹⁸ J, equivalent to 475 million tonnes of TNT.
Inputs
Magnitude Mw
Reference formula or conversion factor shown for context.
Depth Km
Vertical extent downward, or thickness of a layer. For tanks: affects pressure at the base (P = ρgh).
Distance Km
Separation between two points or total path length. Check that units are consistent throughout the calculation.