Mulgor Logo EQ at Christchurch at 06:21:15 on 23-Feb-2022

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 1.4
Depth: 6 km
Distance: 18 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 6 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 1.89 0.177 100.0
T < 1 s 1.70 0.165 76.3
T > 1 s 0.83 3.3 23.4

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.