Chilpancingo

Earthquakes near Chilpancingo through history

From 1900 to October 19, 2026, USGS recorded 29 earthquakes of magnitude 6 or more within 100 km of Chilpancingo, or 200 km for magnitude 7 and above. 18 of them reached magnitude 7 or more; the strongest on either list was an estimated magnitude 8.6 on March 28, 1787 (San Marcos, Oaxaca).

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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. NOAA’s list of significant earthquakes has 51 here, back to 1697. NOAA records deaths in 22 of the events here, 607 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’s record here begins on February 25, 1697 with an earthquake (Mexico City,Acapulco). 27 of the 51 significant earthquakes NOAA lists here came before 1927. NOAA lists 14 tsunamis that began within 100 km of Chilpancingo, and 8 from elsewhere that reached it with deaths or a metre of water or more. The highest water NOAA records here was 4 m, on September 1, 1754.

The events

  • January 2, 2026Earthquake · M 6.50 km W of San Marcos, Mexico · 2 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • September 19, 2017Earthquake · M 7.11 km S of Matzaco, Mexico · 369 deaths (NOAA)USGS · NOAA NCEI · Wikipedia
  • January 24, 1899Earthquake · M 8.4 (est.)Guerrero-OaxacaNOAA NCEI
  • March 28, 1787Earthquake · M 8.6 (est.)San Marcos, Oaxaca · 11 deaths (NOAA)NOAA NCEI · Wikipedia
  • September 1, 1754Tsunami · 4 m hereS. MexicoNOAA NCEI
  • February 25, 1697EarthquakeMexico City,AcapulcoNOAA NCEI

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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