1101 Earthquake: Khorasan, Iran
A magnitude 6.5 earthquake struck Khorasan, Iran in 1101, 10 km below the surface. It killed 60,000 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
- 1101
- Place
- Khorasan, Iran
- Magnitude
- 6.5
- Focal depth
- 10 km (6 mi)
- Intensity
- 10 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 36.000° N, 59.000° E
- Country
- Iran
The toll
- Deaths
- 60,000
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.
October 26, 1101 - October 14, 1102. In 495 A.H.L. an earthquake at Kord-Kuh. (reference #1217)
1101, 36 N, 59 E, magnitude 6.5, intensity IX-X. In Khorasan, 60,000 people killed. (reference #223)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- October 21, 1336, Khaf, Iran
- November 17, 1893, Quchan, Mashhad, Bojnurd, Iran
- November 18, 1667, Shirvan, Shamkha, Iran
- July 30, 1673, Mashhad, Neyshabur (Nishapur), Iran
- January 6, 1872, Quchan, Iran
- February 22, 1852, Khabushan (NW Kuchan), Iran
- December 23, 1871, Quchan, Iran
- January 17, 1895, Quchan, Iran
- December 19, 1618, Dughabad,khorasan, Iran
- December 14, 1925, Bajestan, Iran
- September 25, 1903, Kashmar, Iran
- September 17, 1923, Bodzhnurd, Qaleh Jaq Kmen, Iran
- January 3, 1969, NE Khurasan Province, Iran
- August 21, 1928, Shirvan, Iran
- October 5, 1962, Torbat Heydariyeh, Akhmedabad, Iran
More
Significant earthquakes of 1101The 1100sRecent earthquakes near here
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 376.