June 20, 1943 Earthquake: Hendek, Adapazari, Turkey

Date

June 20, 1943

Time

15:32:53 UTC

Place

Hendek, Adapazari, Turkey

Magnitude

6.4 (Mw)

Focal depth

15 km (9 mi)

Intensity

10 on the Modified Mercalli scale

Tsunami

None recorded

Epicenter

40.500° N, 30.525° E

Country

Turkey

Deaths

285

Damage

Severe (about $5 to $25 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.

• August 17, 1999, Istanbul, Kocaeli, Sakarya, TurkeyM7.6 · 17,118 deaths · $20 billion · 55 km
• May 25, 1719, Turkey6,000 deaths · 101 km
• May 22, 1766, TurkeyM6.5 · 4,000 deaths · 133 km
• February 28, 1855, Tayabas, Bursa, TurkeyM6.7 · 2,200 deaths · 125 km
• September 2, 1754, Izmit, TurkeyM6.8 · 2,000 deaths · 117 km
• July 10, 1894, TurkeyM6.7 · 1,349 deaths · 155 km
• April 29, 1855, Bursa, TurkeyM6.7 · 1,300 deaths · 125 km
• March 28, 1970, Gediz, TurkeyM7.2 · 1,086 deaths · $55.6 million · 8,229 houses destroyed · 176 km
• October 11, 367, Iznik,nicaea, Turkey1,000 deaths · 73 km
• November 12, 1999, Bolu-Duzce-Kaynasli, Adapazari, Zonguldak, TurkeyM7.2 · 894 deaths · $1 billion · 61 km
• October 16, 1862, TurkeyM6.1 · 800 deaths · 189 km
• May 12, 1866, Goynuk, TurkeyM7.2 · 675 deaths · 2,400 houses destroyed · 27 km
• April 11, 1855, Bursa, Turkey400 deaths · 125 km
• July 22, 1967, Mudurnu, Adapazari, TurkeyM7.3 · 86 deaths · $3 million · 36 km
• May 26, 1957, Abant, TurkeyM7.1 · 52 deaths · 54 km

Significant earthquakes of 1943The 1900sEvery quake the USGS located in 1943Recent earthquakes near hereThis day in weather history

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 3747.