Mulgor Logo EQ at Christchurch at 11:46:56 on 26-Aug-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 1.7
Depth: 4 km
Distance: 14 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 4 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 2.76 0.142 100.0
T < 1 s 2.31 0.127 78.3
T > 1 s 0.99 2.3 21.6

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.