Significant earthquakes of 1935

April 11, 1935 Earthquake: Kevsut, Alborz, Sari, Iran

April 11, 1935 · M6.4 · 690 deaths

A magnitude 6.4 earthquake struck Kevsut, Alborz, Sari, Iran on April 11, 1935 at 23:14:48 UTC, 15 km below the surface. It killed 690 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
April 11, 1935
Time
23:14:48 UTC
Place
Kevsut, Alborz, Sari, Iran
Magnitude
6.4 (Mw)
Focal depth
15 km (9 mi)
Intensity
9 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
36.586° N, 53.650° E
Country
Iran

The toll

Deaths
690
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.

Reference #1138 lists magnitude 6.3, 690 deaths.

Reference #223 lists magnitude 6.3, depth 14 km, MMI IX, 500 deaths, severe damage.

Reference #12864 lists magnitude 6.2 (Ms), MMI VIII, 400 deaths, 106 villages destroyed.

Reference #10476 lists magnitude 6.37 (Mw), 36.586 N 53.65 E, depth 15 km.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1935The 1900sEvery quake the USGS located in 1935Recent 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 3544.