Mulgor Logo EQ at Christchurch at 19:39:52 on 12-Jan-2020

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.8
Depth: 10 km
Distance: 33 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 10.99 0.227 100.0
T < 1 s 7.93 0.202 94.3
T > 1 s 2.13 2.6 5.7

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.