Mulgor Logo EQ at Karamea at 20:45:16 on 30-Aug-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.9
Depth: 5 km
Distance: 254 km
Estimated travel time of P waves: 38 s
Estimated travel time of S waves: 68 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 2.42 0.434 100.0
T < 1 s 2.17 0.336 82.1
T > 1 s 0.96 3.1 17.9

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.