Terni

Earthquakes near Terni through history

From 1900 to October 19, 2026, USGS recorded 6 earthquakes of magnitude 6 or more within 100 km of Terni, or 200 km for magnitude 7 and above. None reached magnitude 7: the strongest was a magnitude 6.7, twice: on February 2, 1703 (L'aquila (Aquila)) and on January 13, 1915 (4 km WNW of San Benedetto dei Marsi, Italy).

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The last 30 days · as of

USGS recorded no earthquake of magnitude 4.5 or more within 100 km of Terni in the last 30 days.

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What the record holds

The deadliest was not the strongest: an earthquake on January 14, 1703 (Central Apennino, Norcia, L'aquila, Perugia), for which NOAA records 40,000 deaths. NOAA’s list of significant earthquakes has 54 here, back to AD 258. NOAA records deaths in 19 of the events here, 88,023 in all. The latest on NOAA’s list is a magnitude 4.7 on April 10, 2018 (1 km SSE of Muccia, Italy). NOAA’s record here begins in AD 258 with an earthquake (Rome). It grows thinner going back: 22 of the 54 significant earthquakes NOAA lists here are from 1927 on. NOAA lists 2 tsunamis that began within 100 km of Terni.

The events

  • April 10, 2018Earthquake · M 4.71 km SSE of Muccia, ItalyUSGS · NOAA NCEI
  • January 13, 1915Earthquake · M 6.74 km WNW of San Benedetto dei Marsi, Italy · 29,978 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • February 2, 1703Earthquake · M 6.7 (est.)L'aquila (Aquila) · 10,000 deaths (NOAA)NOAA NCEI · Wikipedia
  • January 14, 1703EarthquakeCentral Apennino, Norcia, L'aquila, Perugia · 40,000 deaths (NOAA)NOAA NCEI
  • AD 258EarthquakeRomeNOAA NCEI
  • AD 258TsunamiTyrrhenian SeaNOAA NCEI

Good to know

  • An event counts for Terni when it began within 100 km of its centre, or 200 km for an earthquake of magnitude 7 or more. Damage can reach further.
  • USGS counts here start at magnitude 6: the catalogue’s smaller quakes thin out going back, where few instruments listened.
  • NOAA lists significant events only: earthquakes that killed, did about $1 million of damage, reached magnitude 7.5 or intensity X, or raised a tsunami, and eruptions and tsunamis by like measures. Magnitudes before 1900 are its estimates from written accounts.
  • Deaths are NOAA’s total for each event, wherever people died, its tsunami and fires included. A tsunami counts the dead its runup records give for this place: NOAA’s total for a tsunami includes its source quake’s.
  • A tsunami from elsewhere counts where one of its runups killed or rose a metre or more.
  • Counted to October 19, 2026, as is the map. The last 30 days ask USGS again.

How the layers work, where their data comes from and what they can’t tell you: Earthquakes, live, The world through history

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