**6. Conclusions**

The main findings of this work can be summarized by the following two points:


**Supplementary Materials:** The following are available online at https://www.mdpi.com/article/10 .3390/app112412166/s1. Figure S1: 95% confidence region estimation (curves) and MLE (dots) for the whole catalog (black), strike-slip events (red), and normal events (green) (completeness thresholds +0.1); Figure S2: 95% confidence region estimation (curves) and MLE (dots) for the whole catalog (black), strike-slip events (red), and normal events (green) (completeness thresholds +0.2).

**Author Contributions:** M.T. and J.Z. conceived the method; M.T. and J.S. defined the application; M.T. performed the data analysis and created the figures; M.T. and J.S. wrote the paper. All authors have read and agreed to the published version of the manuscript.

**Funding:** This work benefited of the agreemen<sup>t</sup> between Istituto Nazionale di Geofisica e Vulcanologia and the Italian Presidenza del Consiglio dei Ministri, Dipartimento della Protezione Civile (DPC), and of the project "Assessment of Cascading Events triggered by the Interaction of Natural Hazards and Technological Scenarios involving the release of Hazardous Substances", funded by the Italian Ministry MIUR PRIN (Progetti di Ricerca di Rilevante Interesse Nazionale) 2017—Grant 2017CEYPS8.

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** Data and code used in this paper are available at: https://github. com/MatteoTaroniINGV/TaperedGR\_Estimation\_Catalogs\_with\_variable\_completeness (accessed on 8 July 2021).

**Acknowledgments:** The authors thank the two anonymous reviewers for their comments which greatly improved the paper.

**Conflicts of Interest:** Authors declare no conflict of interest.
