Mulgor Logo EQ at Hawera at 05:03:31 on 28-Apr-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 138 km
Distance: 410 km
Estimated travel time of P waves: 56 s
Estimated travel time of S waves: 99 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 5.93 0.187 100.0
T < 1 s 5.72 0.184 98.8
T > 1 s 0.72 2.3 1.2

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.