Mulgor Logo EQ at Nelson at 05:42:21 on 07-Jan-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.7
Depth: 46 km
Distance: 239 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 2.66 0.145 100.0
T < 1 s 2.59 0.145 91.5
T > 1 s 0.73 2.2 8.5

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.