Mulgor Logo EQ at Christchurch at 10:30:37 on 27-Jun-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 2.5
Depth: 5 km
Distance: 23 km
Estimated travel time of P waves: 4 s
Estimated travel time of S waves: 7 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 9.97 0.180 100.0
T < 1 s 9.35 0.178 98.3
T > 1 s 1.06 2.2 1.6

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.