Mulgor Logo EQ at Christchurch at 03:17:46 on 04-Feb-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.7
Depth: 12 km
Distance: 34 km
Estimated travel time of P waves: 6 s
Estimated travel time of S waves: 11 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 13.41 0.187 100.0
T < 1 s 13.11 0.191 99.6
T > 1 s 0.88 2.4 0.4

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.