Mulgor Logo EQ at Christchurch at 17:14:51 on 07-May-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.7
Depth: 6 km
Distance: 13 km
Estimated travel time of P waves: 2 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 196.03 0.298 100.0
T < 1 s 199.40 0.313 98.5
T > 1 s 24.60 1.6 1.5

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.