{"entity":{"iso2":"PT","iso3":"PRT","name":"Portugal","slug":"portugal"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"significant-earthquakes","source":"National Geophysical Data Center / World Data Service (2025) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/significant-earthquakes","title":"Number of significant earthquakes","unit":"events"},"observations":[{"date":"1151-01-01","value":1.0},{"date":"1320-01-01","value":1.0},{"date":"1344-01-01","value":1.0},{"date":"1356-01-01","value":1.0},{"date":"1522-01-01","value":1.0},{"date":"1531-01-01","value":1.0},{"date":"1547-01-01","value":1.0},{"date":"1551-01-01","value":1.0},{"date":"1571-01-01","value":1.0},{"date":"1587-01-01","value":1.0},{"date":"1591-01-01","value":1.0},{"date":"1597-01-01","value":1.0},{"date":"1598-01-01","value":1.0},{"date":"1614-01-01","value":2.0},{"date":"1719-01-01","value":1.0},{"date":"1720-01-01","value":2.0},{"date":"1722-01-01","value":1.0},{"date":"1730-01-01","value":1.0},{"date":"1739-01-01","value":1.0},{"date":"1752-01-01","value":1.0},{"date":"1755-01-01","value":2.0},{"date":"1756-01-01","value":1.0},{"date":"1757-01-01","value":1.0},{"date":"1758-01-01","value":1.0},{"date":"1761-01-01","value":1.0},{"date":"1764-01-01","value":1.0},{"date":"1793-01-01","value":1.0},{"date":"1807-01-01","value":1.0},{"date":"1816-01-01","value":1.0},{"date":"1841-01-01","value":1.0},{"date":"1847-01-01","value":1.0},{"date":"1852-01-01","value":2.0},{"date":"1856-01-01","value":1.0},{"date":"1858-01-01","value":1.0},{"date":"1909-01-01","value":1.0},{"date":"1926-01-01","value":2.0},{"date":"1934-01-01","value":1.0},{"date":"1935-01-01","value":1.0},{"date":"1939-01-01","value":1.0},{"date":"1958-01-01","value":1.0},{"date":"1964-01-01","value":1.0},{"date":"1968-01-01","value":1.0},{"date":"1969-01-01","value":1.0},{"date":"1973-01-01","value":1.0},{"date":"1980-01-01","value":1.0},{"date":"1988-01-01","value":1.0},{"date":"1989-01-01","value":1.0},{"date":"1998-01-01","value":1.0}],"summary":{"latest_period":"1998-01-01","latest_value":1.0,"max":2.0,"mean":1.10417,"min":1.0,"of":97,"rank":21,"trend":"rising"}}