Chilpancingo

Earthquakes near Chilpancingo, 1927–2026

From 1927 to October 19, 2026, USGS recorded 24 earthquakes of magnitude 6 or more within 100 km of Chilpancingo, or 200 km for magnitude 7 and above. 13 of them reached magnitude 7 or more; the strongest was a magnitude 7.6, twice: on July 28, 1957 (8 km ENE of Apantla, Mexico) and on March 14, 1979 (12 km SSE of Vallecitos de Zaragoza, Mexico).

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The last 30 days · as of

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

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What the record holds

The deadliest was not the strongest: a magnitude 7.1 on September 19, 2017 (1 km S of Matzaco, Mexico), for which NOAA records 369 deaths. 24 earthquakes here in these years are on NOAA’s list of significant earthquakes. NOAA records deaths in 16 of the events here, 558 in all. The latest on NOAA’s list is a magnitude 6.5 on January 2, 2026 (0 km W of San Marcos, Mexico). NOAA lists 4 tsunamis that began within 100 km of Chilpancingo, and 6 from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 1.3 m, on July 28, 1957.

The events

Good to know

  • An event counts for Chilpancingo 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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