Mulgor Logo EQ at Milford Sound at 13:41:14 on 12-Aug-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 5 km
Distance: 438 km
Estimated travel time of P waves: 61 s
Estimated travel time of S waves: 109 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 1.27 0.691 100.0
T < 1 s 1.01 0.394 48.9
T > 1 s 0.91 2.4 51.1

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.