Pasto

Earthquakes near Pasto through history

From 1900 to October 19, 2026, USGS recorded 3 earthquakes of magnitude 6 or more within 100 km of Pasto, or 200 km for magnitude 7 and above. The strongest on either list was an estimated magnitude 8 on August 15, 1868 (El Angel, Concepcion).

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The last 30 days · as of

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

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What the record holds

The deadliest was not the strongest: an estimated magnitude 7.7 on August 16, 1868 (Guayaquil,Ibarra; Colombia: San Pablo), for which NOAA records 70,000 deaths. NOAA’s list of significant earthquakes has 14 here, back to 1566. NOAA records deaths in 11 of the events here, 75,894 in all. The latest on NOAA’s list is a magnitude 5.7 on July 25, 2022 (9 km N of San Gabriel, Ecuador). NOAA’s record here begins in 1566 with an earthquake. It grows thinner going back: 7 of the 14 significant earthquakes NOAA lists here are from 1927 on. NOAA lists 3 significant eruptions of 2 volcanoes within 100 km of Pasto. The largest was Dona Juana on November 13, 1899, at 4 on the volcanic explosivity index. It killed 55 people by NOAA’s count.

The events

  • July 25, 2022Earthquake · M 5.79 km N of San Gabriel, EcuadorUSGS · NOAA NCEI
  • November 13, 1899Eruption · VEI 4Dona Juana · 55 deaths (NOAA)NOAA NCEI · Wikipedia
  • August 16, 1868Earthquake · M 7.7 (est.)Guayaquil,Ibarra; Colombia: San Pablo · 70,000 deaths (NOAA)NOAA NCEI
  • August 15, 1868Earthquake · M 8.0 (est.)El Angel, ConcepcionNOAA NCEI
  • 1566Earthquake · M 7.8 (est.)NOAA NCEI

Good to know

  • An event counts for Pasto 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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