10.13127/hsit/q.4 Hai Sentito Il Terremoto (HSIT) - Macroseismic questionnaire database 2007-2024, version 4 09-03-2026 ITA Istituto Nazionale di Geofisica e Vulcanologia (INGV) https://data.ingv.it customer service Istituto Nazionale di Geofisica e Vulcanologia (INGV) Database of questionnaires relating to the macroseismic effects of earthquakes observed in Italy, collected for earthquakes occurring between June 15, 2007, and December 31, 2024, by the “Hai Sentito Il Terremoto” (HSIT, https://doi.org/10.13127/HSIT) system in Italy. The data were provided voluntarily by individuals and have not been reviewed by scientists, so there may be errors due, for example, to the user selecting the wrong earthquake when completing the questionnaire, particularly for events immediately following or immediately preceding a strong earthquake. Differences from version 3 (MacroseismicQuestionnaires_2007-2021_HSIT_Q.3.csv) - version 4 of the database differs from the previous version in that it includes data relating to locality, where the observer has entered a valid address, and in that it includes some new questionnaires completed after the release of version 3. scienza https://data.ingv.it/person/scienza https://data.ingv.it/person/730 730 {"type": "MultiPolygon","coordinates": [[[ [6,48], [19,48], [19,35], [6,35], [6,48] ]]]} https://data.ingv.it/dataset/1190 465 https://data.ingv.it/person/465 2026-03-17T00:00:00 4 2026-09-03T00:00:00 http://www.opendefinition.org/licenses/cc-by 17-03-2026 807 https://data.ingv.it/person/807 https://data.ingv.it/person/469 469 terremoti Portale dei dati aperti Open Data Portal]]> https://data.ingv.it