Significant earthquakes of 1967

July 22, 1967 Earthquake: Mudurnu, Adapazari, Turkey

July 22, 1967 · M7.3 · 86 deaths · $3 million

A magnitude 7.3 earthquake struck Mudurnu, Adapazari, Turkey on July 22, 1967 at 16:57:00 UTC, 30 km below the surface. It killed 86 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
July 22, 1967
Time
16:57:00 UTC
Place
Mudurnu, Adapazari, Turkey
Magnitude
7.3 (Mw)
Focal depth
30 km (19 mi)
Intensity
10 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
40.751° N, 30.800° E
Country
Turkey

The toll

Deaths
86
Damage
$3 million

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.

Reference #1138 lists 86 deaths and MMI X.

Reference #1057 lists 86 deaths and extreme damage

Reference #1250 lists 183 deaths, 360 injured and 3 million USD damage

Reference #10476 (v9.1) lists 1967 July 22 16:57:00.7 UTC, 40.751 N 30.8 E, magnitude 7.29 Mw, depth 30

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1967The 1900sEvery quake the USGS located in 1967Recent 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 4403.