Significant earthquakes of 1964

October 6, 1964 Earthquake: Manyas, Bursa, Balikesir, Turkey

October 6, 1964 · M6.8 · 19 deaths · $5 million

A magnitude 6.8 earthquake struck Manyas, Bursa, Balikesir, Turkey on October 6, 1964 at 14:31:25 UTC, 27 km below the surface. It killed 19 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
October 6, 1964
Time
14:31:25 UTC
Place
Manyas, Bursa, Balikesir, Turkey
Magnitude
6.8 (Mw)
Focal depth
27 km (17 mi)
Intensity
10 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
40.203° N, 28.206° E
Country
Turkey

The toll

Deaths
19
Damage
$5 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 magnitude 7.0, MMI X, and 19 deaths.

Reference #1250 lists 23 deaths, 100 injured and $5 million damage.

Reference #10476 (9.1) 1964 October 06 14:31:25.38 UTC, 40.203 N 28.206 E, magnitude 6.8 Mw, depth 27.4

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1964The 1900sEvery quake the USGS located in 1964Recent 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 4329.