Mulgor Logo EQ at Christchurch at 11:48:37 on 20-Oct-2019

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.6
Depth: 5 km
Distance: 19 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 6 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 11.02 0.171 100.0
T < 1 s 9.05 0.173 97.4
T > 1 s 1.41 2.1 2.6

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.