Mulgor Logo EQ at Nelson at 22:55:01 on 03-Sep-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.1
Depth: 57 km
Distance: 243 km
Estimated travel time of P waves: 34 s
Estimated travel time of S waves: 60 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 3.22 0.228 100.0
T < 1 s 2.91 0.208 88.0
T > 1 s 1.09 2.0 12.0

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.