Mulgor Logo EQ at Christchurch at 12:37:08 on 13-Jul-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 1.4
Depth: 3 km
Distance: 16 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 5 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 1.36 0.185 100.0
T < 1 s 1.10 0.151 76.0
T > 1 s 0.56 2.6 24.1

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.