Physical features for small sample of data (1000 events per class)

<p>These repository contains physical features extracted from four classes -&nbsp;<br>1) Earthquake, 2) Explosions, 3) Noise, 4) Surface events.&nbsp;<br><br>Each waveform is of 40s (P-10, P+30).&nbsp;<br>tapered 10%<br>bandpass filtered (0.5 - 15 Hz)<br>normalized by max.&nbsp;</p>