Mulgor Logo EQ at Christchurch at 02:36:50 on 13-Dec-2019

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.9
Depth: 5 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 7.63 0.184 100.0
T < 1 s 6.93 0.180 97.8
T > 1 s 0.88 2.2 2.2

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.