Mulgor Logo EQ at Christchurch at 12:44:38 on 04-Aug-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 1.6
Depth: 4 km
Distance: 28 km
Estimated travel time of P waves: 5 s
Estimated travel time of S waves: 8 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 1.51 0.566 100.0
T < 1 s 1.07 0.145 30.8
T > 1 s 1.43 3.8 69.1

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.