Table 5 EWM calculation results.

From: Investigation on the dynamic evolution and evaluation of floor microseismic responses during extra-thick coal seam mining

Indicators

Information Entropy

Information Utility Value

ωEWM

Daily frequency of floor MS events

0.9126

0.0874

0.1409

Daily frequency of MS events in the Benxi Formation and deeper strata

0.7944

0.2056

0.3315

Maximum depth of floor MS activity

0.8464

0.1536

0.2476

Advance influence distance of MS events

0.9538

0.0462

0.0745

Daily cumulative energy of floor MS events

0.8725

0.1275

0.2056

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