Significant earthquakes of 400 BC

400 BC Earthquake: Rey,eivan-E-Kay, Iran

400 BC · M7.6

A magnitude 7.6 earthquake struck Rey,eivan-E-Kay, Iran in 400 BC.

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
400 BC
Place
Rey,eivan-E-Kay, Iran
Magnitude
7.6 (Ms)
Tsunami
None recorded
Epicenter
35.500° N, 51.800° E
Country
Iran

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.

4th century B.C. In the reign of Nicator (312-280 B.C.). A destructive earthquake at Ray. (reference #1217)

4th century B.C., 35.5 N, 51.8 E, magnitude 7.6. (reference #1117)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 400 BCThe 400s BCRecent 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 19.