Mulgor Logo EQ at Te Anau at 07:31:50 on 15-Jul-2021

Vertical Velocities recorded at Port Levy

EQ Details

Magnitude: 3.9
Depth: 42 km
Distance: 458 km
Estimated travel time of P waves: 60 s
Estimated travel time of S waves: 108 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 1.86 1.431 100.0
T < 1 s 0.83 0.334 12.1
T > 1 s 2.20 3.3 87.9

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.