The rapid detection and source characterization of any type of seismic events including earthquakes and nuclear explosions is one of the missions of many seismological laboratories. Most often, the techniques used are based on phase picking and amplitude measurements for detecting and locating events, and for estimating magnitudes. From these parameters, especially for anthropogenic sources, event screening is then done empirically, and this may lead to misinterpretations of the source nature. However, it is known that seismic waveform inversion for the determination of the moment tensor has proven to be a reliable source physics-based method for event characterization. Here, we present a technique already used for earthquake monitoring in tectonically active regions, and we test it on very shallow natural and anthropogenic events recorded in the vicinity of the Democratic People’s Republic of Korea (DPRK). From a grid of potential locations and by scanning continuous seismic waveforms, it is possible to implement a rapid detector of seismic events providing the full information of the sources (origin time, location, magnitude, mechanism, and source decomposition). We show its overall performances on all past DPRK nuclear tests and regional earthquakes. From such an approach fast complete event screening is achieved. Source uncertainties can also be estimated. This stand-alone detector and identifier of seismic events may help monitoring seismological agencies to provide a rapid and complete alert for any events within a region of interest before more in-depth discrimination analysis can be run.

对包括地震和核爆炸在内的任何类型的地震事件进行快速检测和震源表征是许多地震实验室的任务之一。最常见的是，所使用的技术基于相位拾取和幅度测量，用于检测和定位事件以及估计幅度。根据这些参数，特别是对于人为来源，然后根据经验进行事件筛选，这可能会导致对来源性质的误解。然而，众所周知，用于确定矩张量的地震波形反演已被证明是一种可靠的基于震源物理的事件表征方法。在这里，我们提出了一种已用于构造活动区域地震监测的技术，并在朝鲜民主主义人民共和国（朝鲜）附近记录的非常浅的自然和人为事件上对其进行了测试。通过潜在位置网格并通过扫描连续地震波形，可以实现地震事件的快速检测器，提供震源的完整信息（起源时间、位置、震级、机制和震源分解）。我们展示了它在朝鲜过去所有核试验和地区地震中的整体表现。通过这种方法可以实现快速完整的事件筛选。还可以估计源不确定性。这种独立的地震事件探测器和识别器可以帮助监测地震机构，在进行更深入的判别分析之前，为感兴趣区域内的任何事件提供快速、完整的警报。