Mulgor Logo EQ at Collingwood at 07:32:20 on 14-Sep-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 146 km
Distance: 343 km
Estimated travel time of P waves: 48 s
Estimated travel time of S waves: 86 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 4.57 0.235 100.0
T < 1 s 3.98 0.218 93.8
T > 1 s 1.16 3.1 6.2

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.