Mulgor Logo EQ at Whanganui at 19:02:06 on 21-Jan-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 12 km
Distance: 425 km
Estimated travel time of P waves: 59 s
Estimated travel time of S waves: 104 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 1.66 0.482 100.0
T < 1 s 1.33 0.233 49.9
T > 1 s 1.40 2.8 50.1

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.