Mulgor Logo EQ at Christchurch at 05:46:04 on 21-Jan-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.1
Depth: 6 km
Distance: 34 km
Estimated travel time of P waves: 6 s
Estimated travel time of S waves: 10 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 1.65 0.142 100.0
T < 1 s 1.35 0.123 80.2
T > 1 s 0.61 3.0 19.6

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.