Significant earthquakes of 2017

December 26, 2017 Earthquake: Alborz, Tehran, Iran

December 26, 2017 · M4 · 1 death

A magnitude 4 earthquake struck Alborz, Tehran, Iran on December 26, 2017 at 21:24:32 UTC, 10 km below the surface. It killed 1 person.

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
December 26, 2017
Time
21:24:32 UTC
Place
Alborz, Tehran, Iran
Magnitude
4 (mb)
Focal depth
10 km (6 mi)
Intensity
4 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
35.716° N, 51.256° E
Country
Iran

The toll

Deaths
1
Injuries
57

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.

A 4.2 magnitude earthquake hit Iran's capital Tehran and suburbs in early hours of Wednesday morning. The quake struck at 00:54 local time on Wednesday on the border between Tehran and Alborz provinces, near the city of Malard. The head of the Tehran City Crisis Management Organization said the earthquake had no effect on the capital's faults. The Seismological Center of Iran recorded a magnitude 4.2 earthquake in the provinces of Tehran and Alborz in early hours of Wednesday morning. This earthquake occurred 17km from Alborz and 42km from Tehran provinces. The Tehran Emergency announced that this earthquake had one death and 57 wounded. (reference #11974)

One person died of a heart attack and at least 56 people injured in Tehran. Hashtgerd, Teheran, Iran - CDI: 4; Malard, Teheran, Iran - CDI: 4; Eslam Shahr, Teheran, Iran - CDI: 3; Karaj, Teheran, Iran - CDI: 3; Qods, Teheran, Iran - CDI: 3 (reference #13456)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 2017The 2000sEvery quake the USGS located in 2017Recent 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 10289.