On catching the preparatory phase of damaging earthquakes: an example from central Italy
Abstract How, when and where large earthquakes are generated remain fundamental unsolved scientific questions. Intercepting when a fault system starts deviating from its steady behavior by monitoring the spatio-temporal evolution and dynamic source properties of micro-to-small earthquakes can have h...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2023-09-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-023-41625-0 |
| _version_ | 1797453107782746112 |
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| author | Matteo Picozzi Antonio G. Iaccarino Daniele Spallarossa Dino Bindi |
| author_facet | Matteo Picozzi Antonio G. Iaccarino Daniele Spallarossa Dino Bindi |
| author_sort | Matteo Picozzi |
| collection | DOAJ |
| description | Abstract How, when and where large earthquakes are generated remain fundamental unsolved scientific questions. Intercepting when a fault system starts deviating from its steady behavior by monitoring the spatio-temporal evolution and dynamic source properties of micro-to-small earthquakes can have high potential as tool for identifying the preparatory phase of large earthquakes. We analyze the seismic activity that preceded the Mw 6.3 earthquake that hit L’Aquila on 6 April 2009 in central Italy, and we show that the seismic catalog information can be transformed into features allowing us to track in a statistical framework the spatio-temporal evolution of seismicity. Features associated to foreshocks show different patterns from the background seismicity that occurred in the previous years. We show that features ensemble allows to clearly capture the activation phase of the main event. Nonetheless, foreshocks share similar clustering properties of previous seismic sequences not culminating in large earthquakes, and thus generating questions on their use as potential precursor for earthquake sequences prone to evolve into catastrophic sequences. |
| first_indexed | 2024-03-09T15:18:09Z |
| format | Article |
| id | doaj.art-00cbc326ead845d08b91e2debe2d039e |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-03-09T15:18:09Z |
| publishDate | 2023-09-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-00cbc326ead845d08b91e2debe2d039e2023-11-26T12:56:03ZengNature PortfolioScientific Reports2045-23222023-09-0113111610.1038/s41598-023-41625-0On catching the preparatory phase of damaging earthquakes: an example from central ItalyMatteo Picozzi0Antonio G. Iaccarino1Daniele Spallarossa2Dino Bindi3University of Naples Federico IIUniversity of Naples Federico IIDISTAV, University of GenoaHelmholtz Centre Potsdam, GFZ German Research Centre for GeosciencesAbstract How, when and where large earthquakes are generated remain fundamental unsolved scientific questions. Intercepting when a fault system starts deviating from its steady behavior by monitoring the spatio-temporal evolution and dynamic source properties of micro-to-small earthquakes can have high potential as tool for identifying the preparatory phase of large earthquakes. We analyze the seismic activity that preceded the Mw 6.3 earthquake that hit L’Aquila on 6 April 2009 in central Italy, and we show that the seismic catalog information can be transformed into features allowing us to track in a statistical framework the spatio-temporal evolution of seismicity. Features associated to foreshocks show different patterns from the background seismicity that occurred in the previous years. We show that features ensemble allows to clearly capture the activation phase of the main event. Nonetheless, foreshocks share similar clustering properties of previous seismic sequences not culminating in large earthquakes, and thus generating questions on their use as potential precursor for earthquake sequences prone to evolve into catastrophic sequences.https://doi.org/10.1038/s41598-023-41625-0 |
| spellingShingle | Matteo Picozzi Antonio G. Iaccarino Daniele Spallarossa Dino Bindi On catching the preparatory phase of damaging earthquakes: an example from central Italy Scientific Reports |
| title | On catching the preparatory phase of damaging earthquakes: an example from central Italy |
| title_full | On catching the preparatory phase of damaging earthquakes: an example from central Italy |
| title_fullStr | On catching the preparatory phase of damaging earthquakes: an example from central Italy |
| title_full_unstemmed | On catching the preparatory phase of damaging earthquakes: an example from central Italy |
| title_short | On catching the preparatory phase of damaging earthquakes: an example from central Italy |
| title_sort | on catching the preparatory phase of damaging earthquakes an example from central italy |
| url | https://doi.org/10.1038/s41598-023-41625-0 |
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