Mulgor Logo EQ at Porangahau at 06:18:15 on 24-Feb-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 15 km
Distance: 487 km
Estimated travel time of P waves: 66 s
Estimated travel time of S waves: 117 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 2.43 0.734 100.0
T < 1 s 1.63 0.304 33.3
T > 1 s 2.20 2.0 66.7

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.