Table 2 Statistical distribution of modern regional earthquake magnitudes (1970-September 2023, 4.6 ≥ M ≥ 2.0).

From: Research on seismic activity and seismic structural characteristics of the Shandong region

Magnitude categories

Number of earthquakes

2.0-2.9

3943

3.0-3.9

592

4.0-4.6

39