Mulgor Logo EQ at Christchurch at 11:45:52 on 10-Feb-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.8
Depth: 4 km
Distance: 19 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 6 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 12.66 0.197 100.0
T < 1 s 10.10 0.194 93.9
T > 1 s 2.24 3.0 6.1

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.