Mulgor Logo EQ at Nelson at 10:21:52 on 21-Feb-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.5
Depth: 66 km
Distance: 248 km
Estimated travel time of P waves: 35 s
Estimated travel time of S waves: 62 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 2.04 0.371 100.0
T < 1 s 1.37 0.195 52.0
T > 1 s 1.47 3.2 47.9

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.