import obspy


st = obspy.read("http://examples.obspy.org/GR.BFO..LHZ.2012.108")
st.filter("lowpass", freq=0.1, corners=2)
st.plot(type="dayplot", interval=60, right_vertical_labels=False,
        vertical_scaling_range=5e3, one_tick_per_line=True,
        color=['k', 'r', 'b', 'g'], show_y_UTC_label=False,
        events={'min_magnitude': 6.5})
