Mulgor Logo EQ at Christchurch at 06:36:49 on 14-Apr-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 4 km
Distance: 1 km
Estimated travel time of P waves: 1 s
Estimated travel time of S waves: 1 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 32.75 0.097 100.0
T < 1 s 28.32 0.104 99.6
T > 1 s 1.37 1.9 0.4

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.