California’s nascent earthquake early-warning system had another successful run Tuesday night when a 4.4 magnitude temblor hit the La Verne area.
The quake was too small to cause much damage but was felt over a wide area.
Seismologist Lucy Jones told reporters at Caltech on Tuesday night that the system sent out a warning three seconds before the shaking began.
And residents who live near the epicenter said the quake packed a punch. Vickie Carillo was sitting with her son on the couch watching “Jaws 2” when they felt the shaking start.
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