Remote Sensing of Atmospheric CO and O3 Anomalies before and after Two Yutian MS7.3 Earthquakes

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/1747705/figures/1747705.fig.006a.svgz" name="1747705.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td>(a) Changes in gas concentrations from January to April 2008</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/1747705/figures/1747705.fig.006b.svgz" name="1747705.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td>(b) Changes in gas concentrations from January to April 2014</td></tr></table>

<div>Changes in CO (molecules/cm2) and O3 (DU) concentrations in the Yutian earthquake epicenter areas from January to April in 2008 and 2014. Arrows indicate earthquake dates.</div>

Geofluids

fig6

Figure 6

Figure 6: Remote Sensing of Atmospheric CO and O3 Anomalies before and after Two Yutian MS7.3 Earthquakes