Mulgor Logo EQ at Cook Strait at 11:31:44 on 16-Jan-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 29 km
Distance: 371 km
Estimated travel time of P waves: 50 s
Estimated travel time of S waves: 89 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 1.97 0.257 100.0
T < 1 s 1.89 0.235 86.1
T > 1 s 0.69 1.8 13.8

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.