M 7.2 earthquake – 25 km SE of Malkara, Turkey

Aug 9, 1912 · 01:29 UTC · Aug 9, 1912
Local time: Aug 9, 1912 · 03:29 (UTC+2)

MajorShallow · 15 km Reviewed by a seismologist

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Magnitude: 7.2moment magnitude (mw)
Depth: 15 kmShallow earthquake
Epicenter: 40.730, 27.12126 km from Malkara
Energy released: 951 kilotons of TNTabout 63 × Hiroshima
Felt reports: —"Did You Feel It?" responses
Shaking intensity: 7.6max. instrumental (MMI)
Aftershocks: 3M2.5+ within 96 km, up to 60 days
Significance: 804USGS score, 0–1,000+

The strongest here since 1905

The last earthquake at least as strong within 300 km struck on Nov 8, 1905.

How strong was it?

Major earthquake. It released 951 kilotons of TNT, 1,995 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.

Chile 1960 M 9.5

Japan 2011 M 9.1

San Francisco 1906 M 7.9

Turkey 2023 M 7.8

This earthquake M 7.2

Haiti 2010 M 7.0

Northridge 1994 M 6.7

Aftershocks

3 earthquakes of M2.5+ within 96 km in the 60 days after.

The strongest earthquakes within 300 km

Since 1900, around Turkey.