Mulgor Logo EQ at Gisborne at 17:57:13 on 03-Feb-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 4.2
Depth: 29 km
Distance: 716 km
Estimated travel time of P waves: 93 s
Estimated travel time of S waves: 166 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 1.87 0.605 100.0
T < 1 s 1.26 0.255 41.9
T > 1 s 1.50 2.7 58.0

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.