Large-scale assessment of rainfall-induced landslide hazard  based on hydrometeorological information: application to Partenio Massif (Italy)

Roman Quintero, Daniel Camilo; Marino, Pasquale; Abdullah, Abdullah; Santonastaso, Giovanni Francesco; Greco, Roberto

doi:10.5194/nhess-25-2679-2025

Articles | Volume 25, issue 8

https://doi.org/10.5194/nhess-25-2679-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/nhess-25-2679-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 8

Research article

|

14 Aug 2025

Research article |

| 14 Aug 2025

Large-scale assessment of rainfall-induced landslide hazard based on hydrometeorological information: application to Partenio Massif (Italy)

Daniel Camilo Roman Quintero, Pasquale Marino, Abdullah Abdullah, Giovanni Francesco Santonastaso, and Roberto Greco

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Dec 2024	36	17	1	54
Jan 2025	37	15	7	59
Feb 2025	16	5	2	23
Mar 2025	9	9	0	18
Apr 2025	13	7	2	22
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Dec 2025	115	92	9	216
Jan 2026	129	85	20	234
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Apr 2026	91	73	9	173
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Cumulative views and downloads (calculated since 19 Aug 2024)

Month	HTML	PDF	XML	Total
Aug 2024	77	15	5	97
Sep 2024	42	6	29	77
Oct 2024	29	6	29	64
Nov 2024	32	5	2	39
Dec 2024	36	17	1	54
Jan 2025	37	15	7	59
Feb 2025	16	5	2	23
Mar 2025	9	9	0	18
Apr 2025	13	7	2	22
May 2025	11	6	0	17
Jun 2025	22	7	3	32
Jul 2025	15	6	1	22
Aug 2025	586	102	4	692
Sep 2025	1,599	36	9	1,644
Oct 2025	134	64	5	203
Nov 2025	103	95	5	203
Dec 2025	115	92	9	216
Jan 2026	129	85	20	234
Feb 2026	96	38	8	142
Mar 2026	103	86	10	199
Apr 2026	91	73	9	173
May 2026	1	0	1

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Short summary

Local thresholds for landslide forecasting, combining hydrologic predisposing factors and rainfall features, are developed from a physically based model of a slope. To extend their application to a wide area, uncertainty due to the spatial variability of geomorphological and hydrologic variables is introduced. The obtained hydrometeorological thresholds, integrating root-zone soil moisture and aquifer water level with rainfall depth, outperform thresholds based on rain intensity and duration.