Significant earthquakes of 1975

September 21, 1975 Earthquake: Sarpir,dorahan,deh Bagh, Iran

September 21, 1975 · M5.5 · 2 deaths

A magnitude 5.5 earthquake struck Sarpir,dorahan,deh Bagh, Iran on September 21, 1975 at 14:16:36 UTC, 33 km below the surface. It killed 2 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
September 21, 1975
Time
14:16:36 UTC
Place
Sarpir,dorahan,deh Bagh, Iran
Magnitude
5.5 (Mw)
Focal depth
33 km (21 mi)
Intensity
7 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
31.549° N, 51.062° E
Country
Iran

The toll

Deaths
2
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.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1975The 1900sEvery quake the USGS located in 1975Recent 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 4701.