August 4, 1921 Earthquake: Xiaosi, Dandong, Liaoning Province, China
An earthquake struck Xiaosi, Dandong, Liaoning Province, China on August 4, 1921. 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
- August 4, 1921
- Place
- Xiaosi, Dandong, Liaoning Province, China
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 40.130° N, 124.380° E
- Country
- China
The toll
- Damage
- Limited (under about $1 million); Moderate (about $1 to $5 million) with its tsunami and other effects
- Houses destroyed
- Many (101 to 1,000)
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.
"Earthquake occurred at Xiaosi, Dandong, Liaoning. A number of houses collapsed, tsunami broke the dyke and flooded dozens of kilometers of land. Epicenter uncertain." (reference #3939)
1921 Aug 04. Dandong (40.13N, 124.38E) earthquake in Liaoning triggered tsunami (reference #12988)
1921 Aug 04. Xiaosi, Dandong; Liaoning Province (reference #549)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
More
Significant earthquakes of 1921The 1900sEvery quake the USGS located in 1921Recent 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 7886.