Micro-earthquakes preceding a 4.2 earthquake near Istanbul as early warning signs?
Date: November 1, 2018
Researchers have observed foreshocks that, if analyzed accordingly and in real-time, may possibly increase the early-warning time before a large earthquake from just a few seconds up to several hours.
More:Micro-earthquakes preceding a 4.2 earthquake near Istanbul as early warning signs? -- ScienceDaily