Remote Sensing of Atmospheric CO and O₃ Anomalies before and after Two Yutian M_S7.3 Earthquakes

Table 2

Coefficients of correlation between CO, O₃, and CH₄ gas concentrations associated with two M_S7.3 earthquakes in Yutian.

Gases	Year
	2007	2008	2009	2013	2014	2015
CO, O3	0.317	0.672	0.017	0.300	0.638	0.359
CH4, CO	-0.112	-0.731	-0.378	-0.288	-0.370	-0.264
CH4, O3	-0.394	-0.660	-0.034	-0.342	-0.558	-0.404