Applicability of regional P/S amplitude ratios for the discrimination of low-magnitude seismic events was tested and proved using earthquakes and explosions in Central Asia.

• 摘要基于中国新疆及中亚地区大量天然地震和地下爆炸，检验了较大震级情况下得到的区域P/S震相幅值比识别判据对低震级地震事件的适用性。