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Several strong earthquakes strike globally in 1 day. How are they connected?

Several strong earthquakes strike globally in 1 day. How are they connected?
Photo: ABC7 News (KGO-TV, ABC) · view original

The Mendocino County quake struck within hours of several major earthquakes worldwide -- including activity in Japan, the Philippines, Papua New Guinea and Venezuela -- raising questions about whether the events are connected. We spoke with a seismic expert to get some answers.

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