Seismologist Lucy Jones talks during a news conference at the Caltech Seismological Laboratory in Pasadena, Calif., Thursday, July 4, 2019. A strong earthquake rattled a large swath of Southern California and parts of Nevada on Thursday morning, making hanging lamps sway and photo frames on walls shake. There were no immediate reports of damage or injuries but a swarm of aftershocks were reported. (AP Photo/John Antczak)
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