Mulgor Logo EQ at Christchurch at 12:09:39 on 10-Feb-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.1
Depth: 5 km
Distance: 16 km
Estimated travel time of P waves: 3 s
Estimated travel time of S waves: 5 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 4.57 0.128 100.0
T < 1 s 3.67 0.123 78.5
T > 1 s 1.56 3.1 21.2

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.