Mulgor Logo EQ at Nelson at 18:53:30 on 30-Aug-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.0
Depth: 83 km
Distance: 244 km
Estimated travel time of P waves: 35 s
Estimated travel time of S waves: 61 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 6.13 0.193 100.0
T < 1 s 4.90 0.161 84.8
T > 1 s 1.94 3.0 15.2

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.