Mulgor Logo EQ at Upper Hutt at 15:57:51 on 01-Jan-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 26 km
Distance: 333 km
Estimated travel time of P waves: 46 s
Estimated travel time of S waves: 81 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 4.16 0.166 100.0
T < 1 s 3.93 0.159 93.8
T > 1 s 0.90 2.0 6.2

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.