715 Earthquake: Iznik, Turkey

Date

715

Place

Iznik, Turkey

Intensity

9 on the Modified Mercalli scale

Tsunami

None recorded

Epicenter

40.400° N, 28.900° E

Country

Turkey

Damage

Moderate (about $1 to $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.

• August 17, 1999, Istanbul, Kocaeli, Sakarya, TurkeyM7.6 · 17,118 deaths · $20 billion · 99 km
• May 25, 1719, Turkey6,000 deaths · 61 km
• September 10, 1509, Istanbul, TurkeyM7.7 · 5,000 deaths · 1,700 houses destroyed · 81 km
• May 22, 1766, TurkeyM6.5 · 4,000 deaths · 45 km
• August 9, 1912, Marmara Sea, TurkeyM7.2 · 2,800 deaths · 24,700 houses destroyed · 155 km
• February 28, 1855, Tayabas, Bursa, TurkeyM6.7 · 2,200 deaths · 28 km
• September 2, 1754, Izmit, TurkeyM6.8 · 2,000 deaths · 51 km
• July 10, 1894, TurkeyM6.7 · 1,349 deaths · 28 km
• April 29, 1855, Bursa, TurkeyM6.7 · 1,300 deaths · 28 km
• March 28, 1970, Gediz, TurkeyM7.2 · 1,086 deaths · $55.6 million · 8,229 houses destroyed · 156 km
• March 18, 1953, Yenice, Onon, TurkeyM7.3 · 1,070 deaths · $3.6 million · 109 km
• October 11, 367, Iznik,nicaea, Turkey1,000 deaths · 75 km
• November 12, 1999, Bolu-Duzce-Kaynasli, Adapazari, Zonguldak, TurkeyM7.2 · 894 deaths · $1 billion · 195 km
• May 12, 1866, Goynuk, TurkeyM7.2 · 675 deaths · 2,400 houses destroyed · 161 km
• April 11, 1855, Bursa, Turkey400 deaths · 28 km

Significant earthquakes of 715The 700sRecent earthquakes near here

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 167.