Significant earthquakes of 1978

September 16, 1978 Earthquake: Tabas, Iran

September 16, 1978 · M7.4 · 20,000 deaths · $50 million · 15,000 houses destroyed

A magnitude 7.4 earthquake struck Tabas, Iran on September 16, 1978 at 15:35:55 UTC, 33 km below the surface. It killed 20,000 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 16, 1978
Time
15:35:55 UTC
Place
Tabas, Iran
Magnitude
7.4 (Mw)
Focal depth
33 km (21 mi)
Intensity
9 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
33.205° N, 57.478° E
Country
Iran

The toll

Deaths
20,000
Damage
$50 million
Houses destroyed
15,000

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.

September 16, 1978, 15:35:56.6 UTC, 33.386 N, 57.434 E, depth 33 km, magnitude 6.5 mb, 7.4 MS. Estimated death toll 15,000. Extensive damage was reported in Tabas and other surrounding areas. (reference #1053).

September 16, 1978, 15:35:55.42 UTC, 33.2050 N, 57.478 E, magnitude 7.35 Mw. (reference #10476)

September 16, 1978, Tabas, Iran, 25,000 killed, $50 million damage. (reference #1250)

September 16, 1978, Iran, 20,000 deaths and $11 million damage. (reference #1231)

September 16, 1978, Tabas, Iran, 20,000 killed, $11 million damage. (reference #1051)

September 16, 1978, Tabas-e-Golshan region, magnitude 7.4, 20000 killed, MMI IX, 90 villages destroyed, 15000 houses destroyed. (reference #12864)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1978The 1900sEvery quake the USGS located in 1978Recent 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 4815.