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2. ShakeAlert - Wikipedia

   en.wikipedia.org/wiki/ShakeAlert

   ShakeAlert. An animation detailing how ShakeAlert functions. ShakeAlert is an earthquake early warning system (EEW) in the United States, developed and operated by the United States Geological Survey (USGS) and its partners. [1] As of 2021, the system issues alerts for the country's West Coast (specifically the states of California, Oregon and ...

3. Why did I get an earthquake alert this morning? How ... - AOL

   www.aol.com/news/why-did-earthquake-alert...

   A ShakeAlert message was sent to cellphone users in Sacramento County and the surrounding area just before 9:30 a.m. on Wednesday, July 18, 2023, for a magnitude-4.1 earthquake near Isleton.

4. Earthquake rattles Northern California near Sacramento ... - AOL

   www.aol.com/earthquake-rattles-northern...

   ShakeAlert shared widely in California. A ShakeAlert was triggered for just before 9:30 a.m. According to de Groot, officials are still crunching the numbers on how many messages were delivered ...

5. Residents of earthquake zones 'drop, cover and hold on ...

   www.aol.com/news/earthquake-country-residents...

   The tremor triggered a warning from the ShakeAlert system, which detects the start of a quake and sends warnings to areas expected to experience shaking. The quake proved to be weaker than the ...

6. Earthquake early warning system - Wikipedia

   en.wikipedia.org/wiki/Earthquake_early_warning...

   An earthquake warning system or earthquake alarm system is a system of accelerometers, seismometers, communication, computers, and alarms that is devised for rapidly notifying adjoining regions of a substantial earthquake once one begins. This is not the same as earthquake prediction, which is currently not capable of producing decisive event ...

7. Shakealarm - Wikipedia

   en.wikipedia.org/wiki/Shakealarm

   Shakealarm. ShakeAlarm is an on-site earthquake early warning system (EEWS) developed by Weir-Jones Engineering Consultants [1] in Vancouver, British Columbia. The system functions by detecting and identifying fast moving P-waves that arrive before the slower and damaging S-waves generated from the hypocenter of an earthquake.

8. Which parts of Sacramento County have the highest earthquake ...

   www.aol.com/parts-sacramento-county-highest...

   — USGS ShakeAlert (@USGS_ShakeAlert) October 18, 2023 A 4.2-magnitude earthquake rattled the Sacramento-San Joaquin River Delta region of Northern California, but initial reports say it caused ...

9. 2022 Ferndale earthquake - Wikipedia

   en.wikipedia.org/wiki/2022_Ferndale_earthquake

   The earthquake activated ShakeAlert, USGS's earthquake early warning system for the West Coast. Three million people in northern California and southern Oregon received warnings on their smartphones. Three million people in northern California and southern Oregon received warnings on their smartphones.