An earthquake doublet is a relatively uncommon seismic pattern in which two distinct earthquakes have nearly identical seismic wave forms, hypocenters (that is, the foci or origin points of the tremors underground), and moment magnitudes. Notable earthquake doublet sequences include the Venezuela earthquakes of 2026, which caused widespread damage across northwestern portion of that country in June 2026, and the Kahramanmaraş earthquake, which killed more than 50,000 people in Turkey and Syria in 2023.
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