Significant earthquakes of 1911

April 18, 1911 Earthquake: Ravar, Iran

April 18, 1911 · M6.5 · 700 deaths

A magnitude 6.5 earthquake struck Ravar, Iran on April 18, 1911 at 18:14:27 UTC, 15 km below the surface. It killed 700 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
April 18, 1911
Time
18:14:27 UTC
Place
Ravar, Iran
Magnitude
6.5 (Mw)
Focal depth
15 km (9 mi)
Intensity
8 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
30.460° N, 56.305° E
Country
Iran

The toll

Deaths
700
Damage
Severe (about $5 to $25 million)
Houses destroyed
Many (101 to 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.

A destructive earthquake at night on April 18, 1911, 18;14 UTC, 31.23 N, 57.03 E, magnitude 6.7, in the dihistan of Ravar, preceded by a strong foreshock, killed about 700 people. The small villages of Abdirjan, Maki and Deh Lakarkuh in the sparsely populated area east of Ravar were totally destroyed with many casualties. Almost all the houses in Ravar and its adjoining settlements were ruined. In the town itself, which had a population of 6000 at the time of the earthquake, several of the carpet-weaving factories and the masjid-i ami' collapsed, killing fifty people. Ravar remained in ruins for a long time, its public buildings only being rebuilt thirty years later.

The main shock and its aftershocks triggered many rockfalls from the northeast face of Lakarkuh, and it is very probable that the shock was associated with faulting west of Abdirjan, extending for a few kilometres in a south-southeasterly direction. However, when parts of this region were visited some years ago there was no discernible evidence of very recent faulting, except that the alignment pointed out to us as having been activated in 1911 happens to belong to a thrust zone bearing 160o E.

Minor damage extended to a number of villages, and the shock was strongly felt in Kirman, Deh Zu'iyeh and Kuhbanan. It was also felt in Birjand, Nasratabad and Duzdab. Aftershocks continued for the next three months, many of them being felt as far as Kinnan. They persisted with long intermissions for some years.

(above from reference #1117)

Reference #130 lists earthquake on April 18, 1911, 18:14.6 UTC, 32 N, 56 E, magnitude 6.7, depth 50 km,

Reference #1212 lists earthquake on April 18, 1911, 32 N, 56 E, magnitude 6.7, depth 50 km.

Reference #12864 lists earthquake on April 18, 1911, magnitude 6.4 (Ms), 700 deaths, >9 villages destroyed.

Reference #10476 lists earthquake on April 18, 1911, 18:14:27.49 UTC, 30.46 N, 56.305 E, magnitude 6.5 (Mw), depth 15 km

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1911The 1900sEvery quake the USGS located in 1911Recent 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 2927.