Mulgor Logo EQ at Nelson at 00:00:04 on 09-Dec-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.5
Depth: 58 km
Distance: 237 km
Estimated travel time of P waves: 33 s
Estimated travel time of S waves: 59 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 1.64 0.163 100.0
T < 1 s 1.42 0.141 79.7
T > 1 s 0.59 2.8 20.1

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.