Mulgor Logo EQ at Stratford at 00:09:22 on 07-Oct-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.7
Depth: 200 km
Distance: 521 km
Estimated travel time of P waves: 70 s
Estimated travel time of S waves: 126 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 16.03 0.260 100.0
T < 1 s 15.72 0.261 98.4
T > 1 s 2.34 1.6 1.6

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.