July 18, 1928 Earthquake: Peru
A magnitude 7 earthquake struck Peru on July 18, 1928 at 19:05 UTC, 70 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
- July 18, 1928
- Time
- 19:05 UTC
- Place
- Peru
- Magnitude
- 7 (Ms)
- Focal depth
- 70 km (43 mi)
- Intensity
- 6 on the Modified Mercalli scale
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 5.500° S, 79.000° W
- Country
- Peru
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
July 18, 1928, 19:05:00 UTC, 5.454 S, 77.873 W, magnitude 7.0
MS, depth 70 km, seiche. (reference #1221)
July 18, 1928, 19:05:00 UTC, 5.5 S, 79.0 W, magnitude 7.0 MS, intensity VI. (reference #1208)
July 18, 1928, 19:05:00 UTC, 5.5 S, 79.0 W, magnitude 7.0 MS, shallow depth. (reference #88)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
More
Significant earthquakes of 1928The 1900sEvery quake the USGS located in 1928Recent 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 6080.