Climate anomalies associated with the occurrence of rockfalls at
high-elevation in the Italian Alps

Paranunzio, Roberta; Laio, Francesco; Chiarle, Marta; Nigrelli, Guido; Guzzetti, Fausto

doi:https://doi.org/10.5194/nhess-16-2085-2016

Articles | Volume 16, issue 9

https://doi.org/10.5194/nhess-16-2085-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/nhess-16-2085-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 9

Research article

|

12 Sep 2016

Research article |

| 12 Sep 2016

Climate anomalies associated with the occurrence of rockfalls at high-elevation in the Italian Alps

Roberta Paranunzio, Francesco Laio, Marta Chiarle, Guido Nigrelli, and Fausto Guzzetti

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May 2016	80	9	0	89
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Jul 2016	12	4	0	16
Aug 2016	16	0	16
Sep 2016	109	30	3	142
Oct 2016	39	8	0	47
Nov 2016	33	7	2	42
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Apr 2018	15	7	0	22
May 2018	12	20	0	32
Jun 2018	15	15	2	32
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Jan 2020	13	7	3	23
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Mar 2020	5	5	1	11
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Aug 2020	11	8	4	23
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Jul 2022	7	8	0	15
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Nov 2022	59	19	0	78
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Jan 2023	19	18	1	38
Feb 2023	22	16	1	39
Mar 2023	32	20	0	52
Apr 2023	7	14	0	21
May 2023	30	23	3	56
Jun 2023	40	15	0	55
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Jan 2024	19	8	2	29
Feb 2024	26	14	1	41
Mar 2024	20	28	4	52
Apr 2024	27	26	3	56
May 2024	23	27	4	54
Jun 2024	42	14	2	58
Jul 2024	21	28	4	53
Aug 2024	29	10	4	43
Sep 2024	15	12	2	29
Oct 2024	24	10	1	35
Nov 2024	13	8	0	21
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Jan 2025	18	21	0	39
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Mar 2025	22	19	0	41
Apr 2025	26	13	0	39
May 2025	35	13	2	50
Jun 2025	48	17	0	65
Jul 2025	57	19	2	78
Aug 2025	50	17	1	68
Sep 2025	51	19	1	71
Oct 2025	23	24	4	51
Nov 2025	11	4	0	15

Cumulative views and downloads (calculated since 04 Apr 2016)

Month	HTML	PDF	XML	Total
Apr 2016	135	50	1	186
May 2016	80	9	0	89
Jun 2016	12	2	1	15
Jul 2016	12	4	0	16
Aug 2016	16	0	16
Sep 2016	109	30	3	142
Oct 2016	39	8	0	47
Nov 2016	33	7	2	42
Dec 2016	6	3	0	9
Jan 2017	65	7	0	72
Feb 2017	11	5	0	16
Mar 2017	28	7	0	35
Apr 2017	28	19	0	47
May 2017	31	15	0	46
Jun 2017	24	8	1	33
Jul 2017	13	5	0	18
Aug 2017	13	15	2	30
Sep 2017	22	16	0	38
Oct 2017	9	8	4	21
Nov 2017	11	8	10	29
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Feb 2018	9	12	1	22
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May 2018	12	20	0	32
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Nov 2022	59	19	0	78
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Jan 2023	19	18	1	38
Feb 2023	22	16	1	39
Mar 2023	32	20	0	52
Apr 2023	7	14	0	21
May 2023	30	23	3	56
Jun 2023	40	15	0	55
Jul 2023	15	13	1	29
Aug 2023	17	11	2	30
Sep 2023	9	42	0	51
Oct 2023	21	19	1	41
Nov 2023	10	10	0	20
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Jan 2024	19	8	2	29
Feb 2024	26	14	1	41
Mar 2024	20	28	4	52
Apr 2024	27	26	3	56
May 2024	23	27	4	54
Jun 2024	42	14	2	58
Jul 2024	21	28	4	53
Aug 2024	29	10	4	43
Sep 2024	15	12	2	29
Oct 2024	24	10	1	35
Nov 2024	13	8	0	21
Dec 2024	11	9	1	21
Jan 2025	18	21	0	39
Feb 2025	46	10	2	58
Mar 2025	22	19	0	41
Apr 2025	26	13	0	39
May 2025	35	13	2	50
Jun 2025	48	17	0	65
Jul 2025	57	19	2	78
Aug 2025	50	17	1	68
Sep 2025	51	19	1	71
Oct 2025	23	24	4	51
Nov 2025	11	4	0	15

Latest update: 07 Nov 2025

Short summary

We provide the results of the joint analysis of the main climate variables and spatiotemporal distribution of 41 rockfalls that occurred in the Italian Alps between 1997 and 2013 in the absence of an evident trigger. We compared the meteorological conditions preceding the failures with the historical datasets, to determine if rockfall initiation was associated with some climatic anomaly. We found out that temperature anomalies were associated with rockfall occurrence in 83 % of our case studies.