Mulgor Logo EQ at Christchurch at 08:22:26 on 13-Mar-2022

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 1.8
Depth: 4 km
Distance: 27 km
Estimated travel time of P waves: 5 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 1.71 0.185 100.0
T < 1 s 1.33 0.117 61.3
T > 1 s 0.93 3.5 38.4

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.