Mulgor Logo EQ at Upper Hutt at 12:10:27 on 30-Dec-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.5
Depth: 25 km
Distance: 335 km
Estimated travel time of P waves: 46 s
Estimated travel time of S waves: 82 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 3.74 0.234 100.0
T < 1 s 3.65 0.219 94.6
T > 1 s 0.76 1.9 5.4

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.