Huaraz

Earthquakes near Huaraz, 1927–2026

From 1927 to October 19, 2026, USGS recorded 3 earthquakes of magnitude 6 or more within 100 km of Huaraz, or 200 km for magnitude 7 and above. The strongest was a magnitude 8.2 on May 24, 1940 (21 km SE of Huacho, Peru).

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The last 30 days · as of

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

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What the record holds

The deadliest was not the strongest: a magnitude 7.9 on May 31, 1970 (34 km SW of Chimbote, Peru), for which NOAA records 66,794 deaths. 4 earthquakes here in these years are on NOAA’s list of significant earthquakes. NOAA records deaths in 5 of the events here, 67,085 in all. The latest on NOAA’s list is a magnitude 5.3 on January 11, 1986 (Huarmey, Casma, Huarax, Chimbote). NOAA lists one tsunami that began within 100 km of Huaraz, and 2 from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 23 m, on April 13, 2010. The deadliest, on April 13, 2010, killed one person here by NOAA’s runup records.

The events

  • April 13, 2010Tsunami · 23 m here513 Lake, Hualcan Glacier · one death here (NOAA)NOAA NCEI
  • January 11, 1986Earthquake · M 5.3Huarmey, Casma, Huarax, Chimbote · one death (NOAA)NOAA NCEI
  • May 31, 1970Earthquake · M 7.934 km SW of Chimbote, Peru · 66,794 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • October 17, 1966Earthquake · M 8.167 km W of Paramonga, Peru · 110 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • May 24, 1940Earthquake · M 8.221 km SE of Huacho, Peru · 179 deaths (NOAA)USGS · NOAA NCEI · Wikipedia

Good to know

  • An event counts for Huaraz 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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