Using known event waveform to systematically search for weaker events. Famous usages include David Shelly’s tremor research in Japan and Zhigang Peng’s works about dynamically triggered events is various places. There are also variant using technique similar to what Shazam! uses for audio waveform.
Available packages
- EQCorrscan by Dr. Calum J. Chamberlain
- seismatch by Dr. Marcus Hermann