Californians rattled awake by early-morning ShakeAlert earthquake warning messages
Californians across the state were rattled awake early Thursday morning when a planned test of the ShakeAlert system misfired seven hours ahead of time.
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Californians across the state were rattled awake early Thursday morning when a planned test of the ShakeAlert system misfired seven hours ahead of time.
Thousands of Northern Californians were notified of the Isleton earthquake by a loud noise and alert on their phones Wednesday. That alert was sent out by USGS and its partners to notify you before the shaking. Here's how it works.
Californians across the state were rattled awake early Thursday morning when a planned test of the ShakeAlert system misfired seven hours ahead of time.
Here’s who sends out the alert to your phone and why you were buzzed even if you didn’t feel the earth shake.
More than 64,000 residents in Sonoma and Mendocino counties received an alert late Sunday saying they were about to possibly experience a 4.6- or 4.7-magnitude earthquake.