Significant earthquakes of 871

November 18, 871 Earthquake: Saimareh, Iran

November 18, 871 · M6.8 · 20,000 deaths

A magnitude 6.8 earthquake struck Saimareh, Iran on November 18, 871. 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
November 18, 871
Place
Saimareh, Iran
Magnitude
6.8 (Ms)
Intensity
7 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
33.200° N, 47.200° E
Country
Iran

The toll

Deaths
20,000
Damage
Extreme (about $25 million or more)
Houses destroyed
Very many (over 1,000)

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.

June 22, 872, Saimareh, 33.2 N, 47.2 E, magnitude 6.8. On 11 Sha'ban 258 an earthquake devastated the region of Saimareh, following a damaging foreshock the previous day. Most of the town was destroyed. The walls fell down and about 20000 people were killed. It is probable that the town of Sirvan was also affected. The shock was possibly felt in Iraq at Wasit and Basra, and was also responsible for large-scale landslides in the Saimareh valley. (reference #1117)

November 18, 871 - November 6, 872. In 258 A.H.L., in the Simarreh after a great din a destructive earthquake occurred; a major part of the city was destroyed and 20,000 people were killed. (reference #1217)

November 18, 871 - November 6, 872 (AH 258). Wasit on the Tigris was shaken and 20,000 persons perished under their houses. (reference #1098)

871-872, Wasit, 20,000 died, intensity VII. (reference #1222)

871-872, Wasit, 20,000 killed, intensity VII. (reference #3437)

872, Wasit, 32.31 N, 45.49 E, intensity VII. (reference #1057)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 871The 800sRecent 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 254.