Significant earthquakes of 304

October 304 Earthquake: Kyongju, South Korea

October 304 · M6.7 · Deaths: many

A magnitude 6.7 earthquake struck Kyongju, South Korea in October 304.

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 304
Place
Kyongju, South Korea
Magnitude
6.7
Intensity
9 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
35.500° N, 129.100° E

The toll

Deaths
Many (about 101 to 1,000)
Damage
Moderate (about $1 to $5 million)
Houses destroyed
Some (about 51 to 100)

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.

houses ruined, people died (reference #14368)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 304The 300sRecent earthquakes near here

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 75.