Mulgor Logo EQ at Haast at 06:51:20 on 07-Aug-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.9
Depth: 44 km
Distance: 296 km
Estimated travel time of P waves: 40 s
Estimated travel time of S waves: 72 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 2.47 0.190 100.0
T < 1 s 2.26 0.180 81.8
T > 1 s 0.89 2.8 18.2

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.