Mulgor Logo EQ at Christchurch at 16:24:25 on 29-Sep-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.8
Depth: 4 km
Distance: 33 km
Estimated travel time of P waves: 6 s
Estimated travel time of S waves: 10 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 5.41 0.160 100.0
T < 1 s 4.75 0.126 90.8
T > 1 s 1.65 2.3 9.3

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.