Mulgor Logo EQ at Christchurch at 08:17:08 on 07-Nov-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 6 km
Distance: 22 km
Estimated travel time of P waves: 4 s
Estimated travel time of S waves: 7 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 4.56 0.157 100.0
T < 1 s 4.53 0.165 94.8
T > 1 s 0.93 1.7 5.2

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.