Mulgor Logo EQ at Christchurch at 17:30:01 on 07-Aug-2019

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.5
Depth: 4 km
Distance: 10 km
Estimated travel time of P waves: 2 s
Estimated travel time of S waves: 3 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 19.01 0.160 100.0
T < 1 s 13.74 0.167 99.7
T > 1 s 1.02 2.3 0.3

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.