Mulgor Logo EQ at Arthurs at 15:20:24 on 31-Jul-2019

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.9
Depth: 4 km
Distance: 133 km
Estimated travel time of P waves: 24 s
Estimated travel time of S waves: 41 s

Travel times of P and S waves were derived from this website

Statistics of Signal at Port Levy
Sig. Height μm/s Sig. Period s % of Variance
Raw 11.23 0.353 100.0
T < 1 s 10.75 0.360 91.8
T > 1 s 2.89 2.4 8.3

Significant height and period are derived from a zero-crossing analysis of the wave signal after the arrival time of the p waves.
They are the averages of the highest third of the waves.