Mulgor Logo EQ at Christchurch at 09:03:18 on 10-Oct-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.1
Depth: 7 km
Distance: 33 km
Estimated travel time of P waves: 6 s
Estimated travel time of S waves: 10 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 26.47 0.152 100.0
T < 1 s 26.38 0.149 99.9
T > 1 s 1.16 1.8 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.