Significant earthquakes of 1946

May 31, 1946 Earthquake: Ustukran, Turkey

May 31, 1946 · M5.9 · 840 deaths

A magnitude 5.9 earthquake struck Ustukran, Turkey on May 31, 1946 at 03:12:46 UTC, 15 km below the surface. It killed 840 people.

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
May 31, 1946
Time
03:12:46 UTC
Place
Ustukran, Turkey
Magnitude
5.9 (Mw)
Focal depth
15 km (9 mi)
Intensity
8 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
39.230° N, 41.374° E
Country
Turkey

The toll

Deaths
840
Damage
Moderate (about $1 to $5 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.

Reference #45 lists epicenter 40 N, 41.5 E, magnitude 6.0, 1300 persons reported killed and several villages destroyed in eastern Turkey.

Reference #1138 lists 840 deaths

Reference #10476 (v 9.1) lists 1946 May 31 03:12:46.08 UTC, 39.23 N 41.374 E, magnitude 5.93 Mw, depth 15

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1946The 1900sEvery quake the USGS located in 1946Recent 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 3825.