Mulgor Logo EQ at Christchurch at 04:56:29 on 19-Aug-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.2
Depth: 3 km
Distance: 39 km
Estimated travel time of P waves: 7 s
Estimated travel time of S waves: 12 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 2.72 0.162 100.0
T < 1 s 2.57 0.133 69.7
T > 1 s 1.93 1.8 30.5

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.