Mulgor Logo EQ at Arthurs Pass at 21:05:27 on 14-Mar-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.1
Depth: 5 km
Distance: 123 km
Estimated travel time of P waves: 22 s
Estimated travel time of S waves: 37 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 1.91 0.388 100.0
T < 1 s 1.67 0.307 62.7
T > 1 s 1.09 2.3 37.3

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.