Significant earthquakes of 1933

May 8, 1933 Earthquake: Guerrero, Mexico

May 8, 1933 · M6.7

A magnitude 6.7 earthquake struck Guerrero, Mexico on May 8, 1933 at 10:33:51 UTC, 30 km below the surface. It caused a tsunami.

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
May 8, 1933
Time
10:33:51 UTC
Place
Guerrero, Mexico
Magnitude
6.7 (Mw)
Focal depth
30 km (19 mi)
Intensity
5 on the Modified Mercalli scale
Epicenter
17.404° N, 100.908° W
Country
Mexico

The toll

Damage
Limited (under about $1 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.

1933 May 08, 10:33:51.2 UTC, 17.404 N 100.908 W, depth 30 km, magnitude 6.7 Mw (reference #10476, v.10)

1933 May 08, 10:33:49.85 UTC, 17.332 N 100.901 W, depth 35 km, magnitude 6.8 Unk (reference #9910)

1933 May 08, strong on coasts of Guerrero (reference #1195)

1933 May 08, 17 N 101 W, Destructive in Mexico. (reference #45)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1933The 1900sEvery quake the USGS located in 1933Recent 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 10718.