Mulgor Logo EQ at Napier at 22:39:36 on 21-Jun-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.1
Depth: 19 km
Distance: 589 km
Estimated travel time of P waves: 78 s
Estimated travel time of S waves: 139 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 1.55 0.612 100.0
T < 1 s 1.00 0.302 66.1
T > 1 s 0.89 3.5 33.9

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.