Mulgor Logo EQ at Porirua at 08:21:11 on 23-Jun-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.9
Depth: 23 km
Distance: 323 km
Estimated travel time of P waves: 45 s
Estimated travel time of S waves: 80 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 1.45 0.399 100.0
T < 1 s 1.18 0.228 52.3
T > 1 s 1.07 3.8 47.6

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.