North Texas earthquakes occurring on ‘dead’ faults, seismology research shows

Recent earthquakes in Texas’ Fort Worth Basin – in the community of Venus and the Dallas suburb of Irving – occurred on faults not active for at least 300 million years, according to research. The research supports the assertion that recent North Texas earthquakes were induced, rather than natural. The conclusion is entirely independent of previous analyses correlating seismicity to the timing of wastewater injection practices, but corroborates those earlier findings.
Geology News — ScienceDaily