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Fig. 9 | Earth, Planets and Space

Fig. 9

From: Periodic upward migration model for intermediate-depth earthquakes in Vrancea, Romania

Fig. 9

Relationship between the actual year and year for each century in which M ≥ 7.0 earthquakes occurred during 1500–2000. Data is obtained from ROMPLUS, except those for the 4 fake M 7 earthquakes. The hatched regions indicate high-seismicity periods. Earthquakes repeated in the same segment have been connected by lines. Open circle, solid square and solid triangle indicate earthquakes with depths of 100–120, 120–140, and 140–150 km, respectively.

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