A screenshot of a Wireless Emergency Alert — similar to an Amber Alert — warning of incoming shaking. (Robert de Groot / U.S. Geological Survey) Monday's magnitude 5.2 temblor marked another success ...
A state-of-the-art ocean-observing satellite recorded the massive wave rippling out from the epicenter of this major quake. Reading time: Reading time 2 minutes In late July, the sixth biggest ...
Monday's magnitude 5.2 temblor marked another success for California's earthquake early warning system, with users in some areas saying they received alerts on their phones before they felt shaking.
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