Mulgor Logo EQ at Greymouth at 12:52:52 on 26-Sep-2022

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.7
Depth: 5 km
Distance: 185 km
Estimated travel time of P waves: 30 s
Estimated travel time of S waves: 52 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 19.12 0.412 100.0
T < 1 s 18.53 0.403 95.0
T > 1 s 4.50 1.6 5.0

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.