Mulgor Logo EQ at Christchurch at 15:27:03 on 30-Jul-2019

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.4
Depth: 5 km
Distance: 20 km
Estimated travel time of P waves: 4 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 7.50 0.370 100.0
T < 1 s 5.49 0.175 65.6
T > 1 s 2.87 3.1 34.4

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.