October 31, 1909 Earthquake: Guerrero,michoacan, Mexico
A magnitude 7.1 earthquake struck Guerrero,michoacan, Mexico on October 31, 1909 at 10:23:21 UTC.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- October 31, 1909
- Time
- 10:23:21 UTC
- Place
- Guerrero,michoacan, Mexico
- Magnitude
- 7.1 (Mw)
- Tsunami
- None recorded
- Epicenter
- 16.643° N, 100.966° W
- Country
- Mexico
The toll
- Damage
- Severe (about $5 to $25 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
Destructive in Guerrero and Michoacan. (reference #1195)
1909 Oct 31, 17.017 N 101.183 W, magnitude 7 (richter) (reference #13648)
1909 Oct 31, 10:23:21.77 UTC, 16.43 N 100.966 W, magnitude 7.07 Mw (reference #10476, v.10)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- July 6, 1964, Guerrero, Mexico
- July 28, 1957, Acapulco,mexico City
- October 3, 1864, Puebla,veracruz,acultzingo,acatzingo, Mexico
- April 15, 1907, Guerrero, Mexico
- February 22, 1943, Paricutin Volcano Forms, Guerrero, Mexico
- March 14, 1979, Guerrero, Mexico
- May 11, 1962, Southern Mexico
- September 8, 2021, Guerrero, Mexico
- May 19, 1962, Southern Mexico
- April 25, 1989, Mexico City, Acapulco
- October 25, 1981, Lazaro Cardenas, Michoacan, Mexico
- December 11, 2011, Guerrero, Mexico
- January 16, 1902, Guerrero, Mexico
- January 2, 2026, Guerrero, Mexico
- December 4, 1852, S. Mexico
More
Significant earthquakes of 1909The 1900sEvery quake the USGS located in 1909Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 2892.