Table 1 Summary of data analysis
Lamb wave | Period (UTC) | Best correlation coefficient | Corresponding lag [second] | Full width (10% decrease) [second] | Regression coefficient [strain/hPa] |
|---|---|---|---|---|---|
\({L}_{1}\) | 2022/1/15 11:20–13:00 | − 0.87 | − 40.4 | 156 | \(-2.4\times {10}^{-10}\) |
\({L}_{2}\) | 2022/1/16 07:30–09:00 | − 0.89 | − 25.1 | 113 | \(-3.7\times {10}^{-10}\) |
\({L}_{3}\) | 2022/1/16 23:30–2022/1/17 01:30 | − 0.84 | − 155 | 273 | \(-2.6\times {10}^{-10}\) |