Significant earthquakes of 250 BC

250 BC Earthquake: Chiguchin, Kyrgyzstan

250 BC · M6.7

A magnitude 6.7 earthquake struck Chiguchin, Kyrgyzstan in 250 BC, 20 km below the surface.

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
250 BC
Place
Chiguchin, Kyrgyzstan
Magnitude
6.7 (Ms)
Focal depth
20 km (12 mi)
Intensity
9 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
42.700° N, 77.500° E
Country
Kyrgyzstan

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.

250 B.C. 42.7 N, 77.5 E, magnitude 6..7, intensity VIII-IX. Chiguchin destroyed. (reference #223)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 250 BCThe 200s 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 25.