Mulgor Logo EQ at St Arnaud at 21:31:52 on 13-Dec-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.1
Depth: 59 km
Distance: 210 km
Estimated travel time of P waves: 30 s
Estimated travel time of S waves: 53 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 5.24 0.193 100.0
T < 1 s 4.73 0.188 97.2
T > 1 s 0.78 3.0 2.8

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.