Mulgor Logo EQ at Christchurch at 09:58:11 on 05-Oct-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.0
Depth: 5 km
Distance: 36 km
Estimated travel time of P waves: 6 s
Estimated travel time of S waves: 11 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 26.54 0.157 100.0
T < 1 s 25.65 0.162 99.8
T > 1 s 0.99 2.3 0.2

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.