Mulgor Logo EQ at Christchurch at 14:39:31 on 11-Aug-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.8
Depth: 7 km
Distance: 24 km
Estimated travel time of P waves: 4 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 14.57 0.169 100.0
T < 1 s 14.24 0.163 99.2
T > 1 s 1.18 2.0 0.9

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.