Mulgor Logo EQ at Christchurch at 18:15:15 on 06-Oct-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.4
Depth: 4 km
Distance: 4 km
Estimated travel time of P waves: 1 s
Estimated travel time of S waves: 2 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 43.92 0.150 100.0
T < 1 s 38.30 0.144 99.9
T > 1 s 1.04 2.2 0.1

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.