Mulgor Logo EQ at Christchurch at 00:18:13 on 18-May-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.3
Depth: 5 km
Distance: 46 km
Estimated travel time of P waves: 8 s
Estimated travel time of S waves: 14 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 1.61 0.470 100.0
T < 1 s 1.17 0.143 22.8
T > 1 s 1.98 2.5 76.4

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.