Mulgor Logo EQ at Hokitika at 09:38:00 on 05-May-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.1
Depth: 5 km
Distance: 170 km
Estimated travel time of P waves: 28 s
Estimated travel time of S waves: 49 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 8.67 0.324 100.0
T < 1 s 8.63 0.334 97.8
T > 1 s 1.20 1.8 2.1

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.