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This was not a drill. (But tomorrow’s earthquake alert will be.)
The Silicon Valley and surrounding parts of Northern California just got an alarming message on their phones — a severe earthquake!
You’d be forgiven for assuming it was just a test. But no, the USGS’ ShakeAlert test is scheduled for tomorrow at 10:19AM, not today at 9:29AM, and there really was an earthquake. But it was quickly downgraded to a 4.1 — not a 5.7 as originally detected.
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